---
_id: '58231'
author:
- first_name: Stephan
full_name: Kruse, Stephan
id: '38254'
last_name: Kruse
- first_name: Vijayalakshmi
full_name: Surendranath Shroff, Vijayalakshmi
id: '76626'
last_name: Surendranath Shroff
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Jan
full_name: Brockmeier, Jan
id: '67349'
last_name: Brockmeier
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: 'Kruse S, Surendranath Shroff V, Bahmanian M, Brockmeier J, Scheytt JC. An
Ultra Low Phase Noise Frequency Synthesizer with Optical Output for 77 GHz Photonic
Radar. In: ; 2025.'
apa: Kruse, S., Surendranath Shroff, V., Bahmanian, M., Brockmeier, J., & Scheytt,
J. C. (2025). An Ultra Low Phase Noise Frequency Synthesizer with Optical Output
for 77 GHz Photonic Radar. German Microwave Conference, Dresden.
bibtex: '@inproceedings{Kruse_Surendranath Shroff_Bahmanian_Brockmeier_Scheytt_2025,
title={An Ultra Low Phase Noise Frequency Synthesizer with Optical Output for
77 GHz Photonic Radar}, author={Kruse, Stephan and Surendranath Shroff, Vijayalakshmi
and Bahmanian, Meysam and Brockmeier, Jan and Scheytt, J. Christoph}, year={2025}
}'
chicago: Kruse, Stephan, Vijayalakshmi Surendranath Shroff, Meysam Bahmanian, Jan
Brockmeier, and J. Christoph Scheytt. “An Ultra Low Phase Noise Frequency Synthesizer
with Optical Output for 77 GHz Photonic Radar,” 2025.
ieee: S. Kruse, V. Surendranath Shroff, M. Bahmanian, J. Brockmeier, and J. C. Scheytt,
“An Ultra Low Phase Noise Frequency Synthesizer with Optical Output for 77 GHz
Photonic Radar,” presented at the German Microwave Conference, Dresden, 2025.
mla: Kruse, Stephan, et al. An Ultra Low Phase Noise Frequency Synthesizer with
Optical Output for 77 GHz Photonic Radar. 2025.
short: 'S. Kruse, V. Surendranath Shroff, M. Bahmanian, J. Brockmeier, J.C. Scheytt,
in: 2025.'
conference:
end_date: 2025-03-19
location: Dresden
name: German Microwave Conference
start_date: 2025-03-17
date_created: 2025-01-17T06:26:14Z
date_updated: 2025-03-24T06:40:59Z
department:
- _id: '58'
language:
- iso: eng
status: public
title: An Ultra Low Phase Noise Frequency Synthesizer with Optical Output for 77 GHz
Photonic Radar
type: conference
user_id: '76626'
year: '2025'
...
---
_id: '62682'
author:
- first_name: Vijayalakshmi
full_name: Surendranath Shroff, Vijayalakshmi
id: '76626'
last_name: Surendranath Shroff
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: 'Surendranath Shroff V, Bahmanian M, Scheytt JC. Ultra-Low Phase Noise Frequency
Synthesis Using Electro-Optic Detector-Based Comb-Microwave Synchronization. In:
2025 IEEE/MTT-S International Microwave Symposium - IMS 2025. IEEE; 2025.
doi:10.1109/ims40360.2025.11104035'
apa: Surendranath Shroff, V., Bahmanian, M., & Scheytt, J. C. (2025). Ultra-Low
Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based Comb-Microwave
Synchronization. 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025.
https://doi.org/10.1109/ims40360.2025.11104035
bibtex: '@inproceedings{Surendranath Shroff_Bahmanian_Scheytt_2025, title={Ultra-Low
Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based Comb-Microwave
Synchronization}, DOI={10.1109/ims40360.2025.11104035},
booktitle={2025 IEEE/MTT-S International Microwave Symposium - IMS 2025}, publisher={IEEE},
author={Surendranath Shroff, Vijayalakshmi and Bahmanian, Meysam and Scheytt,
J. Christoph}, year={2025} }'
chicago: Surendranath Shroff, Vijayalakshmi, Meysam Bahmanian, and J. Christoph
Scheytt. “Ultra-Low Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based
Comb-Microwave Synchronization.” In 2025 IEEE/MTT-S International Microwave
Symposium - IMS 2025. IEEE, 2025. https://doi.org/10.1109/ims40360.2025.11104035.
ieee: 'V. Surendranath Shroff, M. Bahmanian, and J. C. Scheytt, “Ultra-Low Phase
Noise Frequency Synthesis Using Electro-Optic Detector-Based Comb-Microwave Synchronization,”
2025, doi: 10.1109/ims40360.2025.11104035.'
mla: Surendranath Shroff, Vijayalakshmi, et al. “Ultra-Low Phase Noise Frequency
Synthesis Using Electro-Optic Detector-Based Comb-Microwave Synchronization.”
2025 IEEE/MTT-S International Microwave Symposium - IMS 2025, IEEE, 2025,
doi:10.1109/ims40360.2025.11104035.
short: 'V. Surendranath Shroff, M. Bahmanian, J.C. Scheytt, in: 2025 IEEE/MTT-S
International Microwave Symposium - IMS 2025, IEEE, 2025.'
date_created: 2025-11-28T05:58:53Z
date_updated: 2025-12-11T08:08:10Z
doi: 10.1109/ims40360.2025.11104035
language:
- iso: eng
publication: 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025
publisher: IEEE
status: public
title: Ultra-Low Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based
Comb-Microwave Synchronization
type: conference
user_id: '76626'
year: '2025'
...
---
_id: '62683'
author:
- first_name: Vijayalakshmi
full_name: Surendranath Shroff, Vijayalakshmi
id: '76626'
last_name: Surendranath Shroff
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: 'Surendranath Shroff V, Bahmanian M, Scheytt JC. Noise Folding in Optoelectronic
PLLs for Ultralow Phase Noise: Modeling and Suppression With Experimental Validation.
IEEE Transactions on Microwave Theory and Techniques. Published online
2025. doi:10.1109/TMTT.2025.3615413'
apa: 'Surendranath Shroff, V., Bahmanian, M., & Scheytt, J. C. (2025). Noise
Folding in Optoelectronic PLLs for Ultralow Phase Noise: Modeling and Suppression
With Experimental Validation. IEEE Transactions on Microwave Theory and Techniques.
https://doi.org/10.1109/TMTT.2025.3615413'
bibtex: '@article{Surendranath Shroff_Bahmanian_Scheytt_2025, title={Noise Folding
in Optoelectronic PLLs for Ultralow Phase Noise: Modeling and Suppression With
Experimental Validation}, DOI={10.1109/TMTT.2025.3615413},
journal={IEEE Transactions on Microwave Theory and Techniques}, publisher={IEEE},
author={Surendranath Shroff, Vijayalakshmi and Bahmanian, Meysam and Scheytt,
J. Christoph}, year={2025} }'
chicago: 'Surendranath Shroff, Vijayalakshmi, Meysam Bahmanian, and J. Christoph
Scheytt. “Noise Folding in Optoelectronic PLLs for Ultralow Phase Noise: Modeling
and Suppression With Experimental Validation.” IEEE Transactions on Microwave
Theory and Techniques, 2025. https://doi.org/10.1109/TMTT.2025.3615413.'
ieee: 'V. Surendranath Shroff, M. Bahmanian, and J. C. Scheytt, “Noise Folding in
Optoelectronic PLLs for Ultralow Phase Noise: Modeling and Suppression With Experimental
Validation,” IEEE Transactions on Microwave Theory and Techniques, 2025,
doi: 10.1109/TMTT.2025.3615413.'
mla: 'Surendranath Shroff, Vijayalakshmi, et al. “Noise Folding in Optoelectronic
PLLs for Ultralow Phase Noise: Modeling and Suppression With Experimental Validation.”
IEEE Transactions on Microwave Theory and Techniques, IEEE, 2025, doi:10.1109/TMTT.2025.3615413.'
short: V. Surendranath Shroff, M. Bahmanian, J.C. Scheytt, IEEE Transactions on
Microwave Theory and Techniques (2025).
date_created: 2025-11-28T06:00:13Z
date_updated: 2025-12-11T08:08:04Z
doi: 10.1109/TMTT.2025.3615413
language:
- iso: eng
publication: IEEE Transactions on Microwave Theory and Techniques
publisher: IEEE
status: public
title: 'Noise Folding in Optoelectronic PLLs for Ultralow Phase Noise: Modeling and
Suppression With Experimental Validation'
type: journal_article
user_id: '76626'
year: '2025'
...
---
_id: '57103'
author:
- first_name: Vijayalakshmi
full_name: Surendranath Shroff, Vijayalakshmi
id: '76626'
last_name: Surendranath Shroff
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Stephan
full_name: Kruse, Stephan
id: '38254'
last_name: Kruse
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: 'Surendranath Shroff V, Bahmanian M, Kruse S, Scheytt JC. Design of an Ultra-Low
Phase Noise Broadband Amplifier in 130 nm SiGe BiCMOS Technology. In: 2024
IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium
(BCICTS) . IEEE; 2024. doi:10.1109/BCICTS59662.2024.10745663'
apa: Surendranath Shroff, V., Bahmanian, M., Kruse, S., & Scheytt, J. C. (2024).
Design of an Ultra-Low Phase Noise Broadband Amplifier in 130 nm SiGe BiCMOS Technology.
2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology
Symposium (BCICTS) . 2024 IEEE BiCMOS and Compound Semiconductor Integrated
Circuits and Technology Symposium (BCICTS) , Fort Lauderdale, Florida. https://doi.org/10.1109/BCICTS59662.2024.10745663
bibtex: '@inproceedings{Surendranath Shroff_Bahmanian_Kruse_Scheytt_2024, title={Design
of an Ultra-Low Phase Noise Broadband Amplifier in 130 nm SiGe BiCMOS Technology},
DOI={10.1109/BCICTS59662.2024.10745663},
booktitle={2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and
Technology Symposium (BCICTS) }, publisher={IEEE}, author={Surendranath Shroff,
Vijayalakshmi and Bahmanian, Meysam and Kruse, Stephan and Scheytt, J. Christoph},
year={2024} }'
chicago: Surendranath Shroff, Vijayalakshmi, Meysam Bahmanian, Stephan Kruse, and
J. Christoph Scheytt. “Design of an Ultra-Low Phase Noise Broadband Amplifier
in 130 Nm SiGe BiCMOS Technology.” In 2024 IEEE BiCMOS and Compound Semiconductor
Integrated Circuits and Technology Symposium (BCICTS) . IEEE, 2024. https://doi.org/10.1109/BCICTS59662.2024.10745663.
ieee: 'V. Surendranath Shroff, M. Bahmanian, S. Kruse, and J. C. Scheytt, “Design
of an Ultra-Low Phase Noise Broadband Amplifier in 130 nm SiGe BiCMOS Technology,”
presented at the 2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits
and Technology Symposium (BCICTS) , Fort Lauderdale, Florida, 2024, doi: 10.1109/BCICTS59662.2024.10745663.'
mla: Surendranath Shroff, Vijayalakshmi, et al. “Design of an Ultra-Low Phase Noise
Broadband Amplifier in 130 Nm SiGe BiCMOS Technology.” 2024 IEEE BiCMOS and
Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS) ,
IEEE, 2024, doi:10.1109/BCICTS59662.2024.10745663.
short: 'V. Surendranath Shroff, M. Bahmanian, S. Kruse, J.C. Scheytt, in: 2024 IEEE
BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium
(BCICTS) , IEEE, 2024.'
conference:
location: Fort Lauderdale, Florida
name: '2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology
Symposium (BCICTS) '
date_created: 2024-11-15T09:57:42Z
date_updated: 2025-11-28T05:39:07Z
ddc:
- '620'
department:
- _id: '58'
doi: 10.1109/BCICTS59662.2024.10745663
language:
- iso: eng
publication: '2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and
Technology Symposium (BCICTS) '
publisher: IEEE
status: public
title: Design of an Ultra-Low Phase Noise Broadband Amplifier in 130 nm SiGe BiCMOS
Technology
type: conference
user_id: '76626'
year: '2024'
...
---
_id: '48623'
abstract:
- lang: ger
text: "Die Erfindung betrifft eine einstellbare Signalquelle mit kleinem Phasenrauschen,
aufweisend\r\n• einen optischen Mikrowellenphasendetektor (BOMPD) aufweisend\r\n•
einen Intensitätsmodulator (BIM), mit einem optischen Signaleingang, einem Modulationseingang
(I), und einem ersten Ausgang (O1) und einen zweiten Ausgang (O2),\r\n• eine erste
Photodiode (PD1), die im Betrieb mit Licht des ersten Ausgangs (O1) bestrahlt
werden kann,\r\n• eine zweite Photodiode (PD2), die im Betrieb mit Licht des zweiten
Ausgangs (O2) bestahlt werden kann,\r\n• wobei die erste Photodiode (PD1) und
die zweite Photodiode (PD2), im Betrieb vorgespannt in Reihe geschaltet sind,\r\n•
wobei zwischen der ersten Photodiode (PD1) und der zweiten Photodiode (PD2) ein
Abgriff für eine Abgriffs-Signal angeordnet ist,\r\n• weiterhin aufweisend eine
steuerbare Gleichstromquelle,\r\n• wobei am Abgriff im Betrieb mittels der ersten
Gleichstromquelle (N4) ein Offsetstrom einstellbar ist, womit die Symmetrie des
optischen Mikrowellenphasendetektor im Betrieb durch einen Offsetstrom aufgehoben
wird,\r\n• wobei der Abgriff mit einem eventuellen Offsetstrom an ein Tiefpassfilter
geführt wird,\r\n• wobei das tiefpassgefilterte Abgriffs-Signal einem einstellbaren
Oszillator (OSZ) zur Verfügung gestellt wird.\r\n"
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: Bahmanian M, Scheytt JC. Einstellbare Signalquelle mit kleinem Phasenrauschen.
Published online 2023.
apa: Bahmanian, M., & Scheytt, J. C. (2023). Einstellbare Signalquelle mit
kleinem Phasenrauschen.
bibtex: '@article{Bahmanian_Scheytt_2023, title={Einstellbare Signalquelle mit kleinem
Phasenrauschen}, author={Bahmanian, Meysam and Scheytt, J. Christoph}, year={2023}
}'
chicago: Bahmanian, Meysam, and J. Christoph Scheytt. “Einstellbare Signalquelle
Mit Kleinem Phasenrauschen,” 2023.
ieee: M. Bahmanian and J. C. Scheytt, “Einstellbare Signalquelle mit kleinem Phasenrauschen.”
2023.
mla: Bahmanian, Meysam, and J. Christoph Scheytt. Einstellbare Signalquelle Mit
Kleinem Phasenrauschen. 2023.
short: M. Bahmanian, J.C. Scheytt, (2023).
date_created: 2023-11-06T10:23:04Z
date_updated: 2024-11-15T13:58:28Z
department:
- _id: '58'
ipc: H03B 17/00 (2006.01)
ipn: DE102021214164A1
publication_date: 15.06.2023
status: public
title: Einstellbare Signalquelle mit kleinem Phasenrauschen
type: patent
user_id: '38254'
year: '2023'
...
---
_id: '47521'
abstract:
- lang: eng
text: "This paper experimentally investigates and interprets the e®ects of noise
and non-\r\nlinearity in a silicon photonic optical test structure. For the analysis
di®erent optoelectronic phase\r\nnoise measurement techniques are used. Our tests
focuses on the performance of integrated opti-\r\ncal test structures using femtosecond
pulses in the 1550nm spectral range. A primary objective\r\nis to understand the
behaviour of silicon photonic waveguides that can be further employed in the\r\nimplementation
of an optoelectronic phase-locked loop (OEPLL) in silicon photonics technology.\r\nA
comparison of our results, as well as a discussion on the di®erent optoelectronic
phase noise\r\nmeasurement techniques are presented. Our ¯ndings provide insights
that can be leveraged to\r\noptimize the design and performance of ultra-low phase
noise on-chip OEPLL systems locking\r\nto mode-locked laser (MLL) signals. In
the future such systems can be essential for advanced\r\ncommunication and sensing
applications."
author:
- first_name: Vijayalakshmi
full_name: Surendranath Shroff, Vijayalakshmi
id: '76626'
last_name: Surendranath Shroff
- first_name: Christian
full_name: Kress, Christian
id: '13256'
last_name: Kress
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: 'Surendranath Shroff V, Kress C, Bahmanian M, Scheytt JC. Analysis of Phase
Noise in Waveguide-integrated Optical Test Structures in Silicon Photonics. In:
2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), . IEEE;
2023. doi:10.1109/PIERS59004.2023.10221473'
apa: Surendranath Shroff, V., Kress, C., Bahmanian, M., & Scheytt, J. C. (2023).
Analysis of Phase Noise in Waveguide-integrated Optical Test Structures in Silicon
Photonics. 2023 PhotonIcs & Electromagnetics Research Symposium (PIERS),
. 2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), Prague,
Czech Republic. https://doi.org/10.1109/PIERS59004.2023.10221473
bibtex: '@inproceedings{Surendranath Shroff_Kress_Bahmanian_Scheytt_2023, title={Analysis
of Phase Noise in Waveguide-integrated Optical Test Structures in Silicon Photonics},
DOI={10.1109/PIERS59004.2023.10221473},
booktitle={2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), },
publisher={IEEE}, author={Surendranath Shroff, Vijayalakshmi and Kress, Christian
and Bahmanian, Meysam and Scheytt, J. Christoph}, year={2023} }'
chicago: Surendranath Shroff, Vijayalakshmi, Christian Kress, Meysam Bahmanian,
and J. Christoph Scheytt. “Analysis of Phase Noise in Waveguide-Integrated Optical
Test Structures in Silicon Photonics.” In 2023 PhotonIcs & Electromagnetics
Research Symposium (PIERS), . IEEE, 2023. https://doi.org/10.1109/PIERS59004.2023.10221473.
ieee: 'V. Surendranath Shroff, C. Kress, M. Bahmanian, and J. C. Scheytt, “Analysis
of Phase Noise in Waveguide-integrated Optical Test Structures in Silicon Photonics,”
presented at the 2023 PhotonIcs & Electromagnetics Research Symposium (PIERS),
Prague, Czech Republic, 2023, doi: 10.1109/PIERS59004.2023.10221473.'
mla: Surendranath Shroff, Vijayalakshmi, et al. “Analysis of Phase Noise in Waveguide-Integrated
Optical Test Structures in Silicon Photonics.” 2023 PhotonIcs & Electromagnetics
Research Symposium (PIERS), , IEEE, 2023, doi:10.1109/PIERS59004.2023.10221473.
short: 'V. Surendranath Shroff, C. Kress, M. Bahmanian, J.C. Scheytt, in: 2023 PhotonIcs
& Electromagnetics Research Symposium (PIERS), , IEEE, 2023.'
conference:
end_date: 2023-07-06
location: Prague, Czech Republic
name: 2023 PhotonIcs & Electromagnetics Research Symposium (PIERS)
start_date: 2023-07-03
date_created: 2023-09-27T11:08:23Z
date_updated: 2025-02-11T10:58:57Z
department:
- _id: '58'
- _id: '230'
doi: 10.1109/PIERS59004.2023.10221473
language:
- iso: eng
publication: '2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), '
publication_identifier:
eisbn:
- 979-8-3503-1284-3
publication_status: published
publisher: IEEE
status: public
title: Analysis of Phase Noise in Waveguide-integrated Optical Test Structures in
Silicon Photonics
type: conference
user_id: '76626'
year: '2023'
...
---
_id: '31805'
author:
- first_name: Stephan
full_name: Kruse, Stephan
id: '38254'
last_name: Kruse
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Saeed
full_name: Fard, Saeed
id: '88494'
last_name: Fard
- first_name: Marc-Michael
full_name: Meinecke, Marc-Michael
last_name: Meinecke
- first_name: Heiko G.
full_name: Kurz, Heiko G.
last_name: Kurz
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: 'Kruse S, Bahmanian M, Fard S, Meinecke M-M, Kurz HG, Scheytt C. A Low Phase
Noise 77 GHz Frequency Synthesizer for Long Range Radar. In: European Radar
Conference (EuRAD). ; 2022. doi:10.23919/EuRAD54643.2022.9924677'
apa: Kruse, S., Bahmanian, M., Fard, S., Meinecke, M.-M., Kurz, H. G., & Scheytt,
C. (2022). A Low Phase Noise 77 GHz Frequency Synthesizer for Long Range Radar.
European Radar Conference (EuRAD). https://doi.org/10.23919/EuRAD54643.2022.9924677
bibtex: '@inproceedings{Kruse_Bahmanian_Fard_Meinecke_Kurz_Scheytt_2022, place={Milan,
Italy}, title={A Low Phase Noise 77 GHz Frequency Synthesizer for Long Range Radar},
DOI={10.23919/EuRAD54643.2022.9924677},
booktitle={European Radar Conference (EuRAD)}, author={Kruse, Stephan and Bahmanian,
Meysam and Fard, Saeed and Meinecke, Marc-Michael and Kurz, Heiko G. and Scheytt,
Christoph}, year={2022} }'
chicago: Kruse, Stephan, Meysam Bahmanian, Saeed Fard, Marc-Michael Meinecke, Heiko
G. Kurz, and Christoph Scheytt. “A Low Phase Noise 77 GHz Frequency Synthesizer
for Long Range Radar.” In European Radar Conference (EuRAD). Milan, Italy,
2022. https://doi.org/10.23919/EuRAD54643.2022.9924677.
ieee: 'S. Kruse, M. Bahmanian, S. Fard, M.-M. Meinecke, H. G. Kurz, and C. Scheytt,
“A Low Phase Noise 77 GHz Frequency Synthesizer for Long Range Radar,” 2022, doi:
10.23919/EuRAD54643.2022.9924677.'
mla: Kruse, Stephan, et al. “A Low Phase Noise 77 GHz Frequency Synthesizer for
Long Range Radar.” European Radar Conference (EuRAD), 2022, doi:10.23919/EuRAD54643.2022.9924677.
short: 'S. Kruse, M. Bahmanian, S. Fard, M.-M. Meinecke, H.G. Kurz, C. Scheytt,
in: European Radar Conference (EuRAD), Milan, Italy, 2022.'
conference:
end_date: 2022.09.30
start_date: 2022.09.28
date_created: 2022-06-08T08:35:46Z
date_updated: 2025-02-25T05:52:35Z
department:
- _id: '58'
doi: 10.23919/EuRAD54643.2022.9924677
language:
- iso: eng
place: Milan, Italy
publication: European Radar Conference (EuRAD)
status: public
title: A Low Phase Noise 77 GHz Frequency Synthesizer for Long Range Radar
type: conference
user_id: '38254'
year: '2022'
...
---
_id: '34232'
abstract:
- lang: eng
text: In this paper, the theory of phase-locking of a microwave oscillator
on the interharmonics, i.e. non-integer harmonics, of the repetition rate of the
optical pulse train of a mode-locked laser (MLL) is developed. A balanced optical
microwave phase detector (BOMPD) is implemented using a balanced Mach-Zehnder
modulator and is employed to discriminate the phase difference between the envelope
of the optical pulses and the microwave oscillator. It is shown mathematically
that the inherent nonlinear properties of BOMPD with respect to the microwave
excitation amplitude can be used for interharmonic locking. The characteristic
functions of the phase detector for interharmonic locking are derived analytically
and are compared with the measurement results. An opto-electronic phase-locked
loop (OEPLL) is demonstrated whose output frequency locks on interharmonics of
the MLL repetition rate when an appropriate modulator bias and sufficient RF amplitude
are applied. Thus, for the first time theory and experiment of reliable locking
on interharmonics of the repetition rate of a MLL are presented.
article_number: '7763'
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Christian
full_name: Kress, Christian
id: '13256'
last_name: Kress
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: Bahmanian M, Kress C, Scheytt JC. Locking of microwave oscillators on the interharmonics
of mode-locked laser signals. Optics Express. 2022;30(5). doi:10.1364/oe.451894
apa: Bahmanian, M., Kress, C., & Scheytt, J. C. (2022). Locking of microwave
oscillators on the interharmonics of mode-locked laser signals. Optics Express,
30(5), Article 7763. https://doi.org/10.1364/oe.451894
bibtex: '@article{Bahmanian_Kress_Scheytt_2022, title={Locking of microwave oscillators
on the interharmonics of mode-locked laser signals}, volume={30}, DOI={10.1364/oe.451894},
number={57763}, journal={Optics Express}, publisher={Optica Publishing Group},
author={Bahmanian, Meysam and Kress, Christian and Scheytt, J. Christoph}, year={2022}
}'
chicago: Bahmanian, Meysam, Christian Kress, and J. Christoph Scheytt. “Locking
of Microwave Oscillators on the Interharmonics of Mode-Locked Laser Signals.”
Optics Express 30, no. 5 (2022). https://doi.org/10.1364/oe.451894.
ieee: 'M. Bahmanian, C. Kress, and J. C. Scheytt, “Locking of microwave oscillators
on the interharmonics of mode-locked laser signals,” Optics Express, vol.
30, no. 5, Art. no. 7763, 2022, doi: 10.1364/oe.451894.'
mla: Bahmanian, Meysam, et al. “Locking of Microwave Oscillators on the Interharmonics
of Mode-Locked Laser Signals.” Optics Express, vol. 30, no. 5, 7763, Optica
Publishing Group, 2022, doi:10.1364/oe.451894.
short: M. Bahmanian, C. Kress, J.C. Scheytt, Optics Express 30 (2022).
date_created: 2022-12-06T10:30:21Z
date_updated: 2025-03-10T13:27:46Z
department:
- _id: '58'
doi: 10.1364/oe.451894
intvolume: ' 30'
issue: '5'
language:
- iso: eng
publication: Optics Express
publication_identifier:
issn:
- 1094-4087
publication_status: published
publisher: Optica Publishing Group
status: public
title: Locking of microwave oscillators on the interharmonics of mode-locked laser
signals
type: journal_article
user_id: '69233'
volume: 30
year: '2022'
...
---
_id: '34239'
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: Bahmanian M, Scheytt JC. Noise Processes and Nonlinear Mechanisms in Optoelectronic
Phase-Locked Loop Using a Balanced Optical Microwave Phase Detector. IEEE Transactions
on Microwave Theory and Techniques. 2022;70(10):4422-4435. doi:10.1109/tmtt.2022.3197621
apa: Bahmanian, M., & Scheytt, J. C. (2022). Noise Processes and Nonlinear Mechanisms
in Optoelectronic Phase-Locked Loop Using a Balanced Optical Microwave Phase Detector.
IEEE Transactions on Microwave Theory and Techniques, 70(10), 4422–4435.
https://doi.org/10.1109/tmtt.2022.3197621
bibtex: '@article{Bahmanian_Scheytt_2022, title={Noise Processes and Nonlinear Mechanisms
in Optoelectronic Phase-Locked Loop Using a Balanced Optical Microwave Phase Detector},
volume={70}, DOI={10.1109/tmtt.2022.3197621},
number={10}, journal={IEEE Transactions on Microwave Theory and Techniques}, publisher={Institute
of Electrical and Electronics Engineers (IEEE)}, author={Bahmanian, Meysam and
Scheytt, J. Christoph}, year={2022}, pages={4422–4435} }'
chicago: 'Bahmanian, Meysam, and J. Christoph Scheytt. “Noise Processes and Nonlinear
Mechanisms in Optoelectronic Phase-Locked Loop Using a Balanced Optical Microwave
Phase Detector.” IEEE Transactions on Microwave Theory and Techniques 70,
no. 10 (2022): 4422–35. https://doi.org/10.1109/tmtt.2022.3197621.'
ieee: 'M. Bahmanian and J. C. Scheytt, “Noise Processes and Nonlinear Mechanisms
in Optoelectronic Phase-Locked Loop Using a Balanced Optical Microwave Phase Detector,”
IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 10,
pp. 4422–4435, 2022, doi: 10.1109/tmtt.2022.3197621.'
mla: Bahmanian, Meysam, and J. Christoph Scheytt. “Noise Processes and Nonlinear
Mechanisms in Optoelectronic Phase-Locked Loop Using a Balanced Optical Microwave
Phase Detector.” IEEE Transactions on Microwave Theory and Techniques,
vol. 70, no. 10, Institute of Electrical and Electronics Engineers (IEEE), 2022,
pp. 4422–35, doi:10.1109/tmtt.2022.3197621.
short: M. Bahmanian, J.C. Scheytt, IEEE Transactions on Microwave Theory and Techniques
70 (2022) 4422–4435.
date_created: 2022-12-06T11:05:28Z
date_updated: 2025-10-30T09:21:12Z
department:
- _id: '58'
- _id: '230'
doi: 10.1109/tmtt.2022.3197621
intvolume: ' 70'
issue: '10'
language:
- iso: eng
page: 4422-4435
project:
- _id: '298'
name: 'FOR 2863: Metrologie für die THz Kommunikation (Meteracom)'
- _id: '314'
name: 'FOR 2863: Metrologie für die THz Kommunikation, TP B2: Rückführbare Terahertz
Transceiver'
publication: IEEE Transactions on Microwave Theory and Techniques
publication_identifier:
issn:
- 0018-9480
- 1557-9670
publication_status: published
publisher: Institute of Electrical and Electronics Engineers (IEEE)
status: public
title: Noise Processes and Nonlinear Mechanisms in Optoelectronic Phase-Locked Loop
Using a Balanced Optical Microwave Phase Detector
type: journal_article
user_id: '44271'
volume: 70
year: '2022'
...
---
_id: '29204'
abstract:
- lang: eng
text: 'An analysis of an optical Nyquist pulse synthesizer using Mach-Zehnder modulators
is presented. The analysis allows to predict the upper limit of the effective
number of bits of this type of photonic digital-to-analog converter. The analytical
solution has been verified by means of electro-optic simulations. With this analysis
the limiting factor for certain scenarios: relative intensity noise, distortions
by driving the Mach-Zehnder modulator, or the signal generator phase noise can
quickly be identified.'
author:
- first_name: Christian
full_name: Kress, Christian
id: '13256'
last_name: Kress
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Tobias
full_name: Schwabe, Tobias
id: '39217'
last_name: Schwabe
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: Kress C, Bahmanian M, Schwabe T, Scheytt JC. Analysis of the effects of jitter,
relative intensity noise, and nonlinearity on a photonic digital-to-analog converter
based on optical Nyquist pulse synthesis. Opt Express. 2021;29(15):23671–23681.
doi:10.1364/OE.427424
apa: Kress, C., Bahmanian, M., Schwabe, T., & Scheytt, J. C. (2021). Analysis
of the effects of jitter, relative intensity noise, and nonlinearity on a photonic
digital-to-analog converter based on optical Nyquist pulse synthesis. Opt.
Express, 29(15), 23671–23681. https://doi.org/10.1364/OE.427424
bibtex: '@article{Kress_Bahmanian_Schwabe_Scheytt_2021, title={Analysis of the effects
of jitter, relative intensity noise, and nonlinearity on a photonic digital-to-analog
converter based on optical Nyquist pulse synthesis}, volume={29}, DOI={10.1364/OE.427424},
number={15}, journal={Opt. Express}, publisher={OSA}, author={Kress, Christian
and Bahmanian, Meysam and Schwabe, Tobias and Scheytt, J. Christoph}, year={2021},
pages={23671–23681} }'
chicago: 'Kress, Christian, Meysam Bahmanian, Tobias Schwabe, and J. Christoph Scheytt.
“Analysis of the Effects of Jitter, Relative Intensity Noise, and Nonlinearity
on a Photonic Digital-to-Analog Converter Based on Optical Nyquist Pulse Synthesis.”
Opt. Express 29, no. 15 (2021): 23671–23681. https://doi.org/10.1364/OE.427424.'
ieee: 'C. Kress, M. Bahmanian, T. Schwabe, and J. C. Scheytt, “Analysis of the effects
of jitter, relative intensity noise, and nonlinearity on a photonic digital-to-analog
converter based on optical Nyquist pulse synthesis,” Opt. Express, vol.
29, no. 15, pp. 23671–23681, 2021, doi: 10.1364/OE.427424.'
mla: Kress, Christian, et al. “Analysis of the Effects of Jitter, Relative Intensity
Noise, and Nonlinearity on a Photonic Digital-to-Analog Converter Based on Optical
Nyquist Pulse Synthesis.” Opt. Express, vol. 29, no. 15, OSA, 2021, pp.
23671–23681, doi:10.1364/OE.427424.
short: C. Kress, M. Bahmanian, T. Schwabe, J.C. Scheytt, Opt. Express 29 (2021)
23671–23681.
date_created: 2022-01-10T11:51:47Z
date_updated: 2023-06-16T06:56:27Z
department:
- _id: '58'
- _id: '230'
doi: 10.1364/OE.427424
intvolume: ' 29'
issue: '15'
keyword:
- Analog to digital converters
- Diode lasers
- Laser sources
- Phase noise
- Signal processing
- Wavelength division multiplexers
language:
- iso: eng
page: 23671–23681
project:
- _id: '302'
grant_number: '403154102'
name: 'PONyDAC: PONyDAC II - Präziser Optischer Nyquist-Puls-Synthesizer DAC'
- _id: '299'
grant_number: 13N14882
name: 'NyPhE: NyPhE - Nyquist Silicon Photonics Engine'
publication: Opt. Express
publisher: OSA
related_material:
link:
- relation: confirmation
url: https://pubmed.ncbi.nlm.nih.gov/34614628/
status: public
title: Analysis of the effects of jitter, relative intensity noise, and nonlinearity
on a photonic digital-to-analog converter based on optical Nyquist pulse synthesis
type: journal_article
user_id: '13256'
volume: 29
year: '2021'
...
---
_id: '23995'
author:
- first_name: Stephan
full_name: Kruse, Stephan
id: '38254'
last_name: Kruse
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Pascal
full_name: Kneuper, Pascal
id: '47367'
last_name: Kneuper
- first_name: Christian
full_name: Kress, Christian
id: '13256'
last_name: Kress
- first_name: Heiko G.
full_name: Kurz, Heiko G.
last_name: Kurz
- first_name: Thomas
full_name: Schneider, Thomas
last_name: Schneider
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: 'Kruse S, Bahmanian M, Kneuper P, et al. Phase Noise Investigation for a Radar
System with Optical Clock Distribution . In: The 17th European Radar Conference.
; 2021. doi:10.1109/EuRAD48048.2021.00018'
apa: Kruse, S., Bahmanian, M., Kneuper, P., Kress, C., Kurz, H. G., Schneider, T.,
& Scheytt, C. (2021). Phase Noise Investigation for a Radar System with Optical
Clock Distribution . The 17th European Radar Conference. https://doi.org/10.1109/EuRAD48048.2021.00018
bibtex: '@inproceedings{Kruse_Bahmanian_Kneuper_Kress_Kurz_Schneider_Scheytt_2021,
place={Jaarbeurs Utrecht, Netherlands }, title={Phase Noise Investigation for
a Radar System with Optical Clock Distribution }, DOI={10.1109/EuRAD48048.2021.00018},
booktitle={The 17th European Radar Conference}, author={Kruse, Stephan and Bahmanian,
Meysam and Kneuper, Pascal and Kress, Christian and Kurz, Heiko G. and Schneider,
Thomas and Scheytt, Christoph}, year={2021} }'
chicago: Kruse, Stephan, Meysam Bahmanian, Pascal Kneuper, Christian Kress, Heiko
G. Kurz, Thomas Schneider, and Christoph Scheytt. “Phase Noise Investigation for
a Radar System with Optical Clock Distribution .” In The 17th European Radar
Conference. Jaarbeurs Utrecht, Netherlands , 2021. https://doi.org/10.1109/EuRAD48048.2021.00018.
ieee: 'S. Kruse et al., “Phase Noise Investigation for a Radar System with
Optical Clock Distribution ,” 2021, doi: 10.1109/EuRAD48048.2021.00018.'
mla: Kruse, Stephan, et al. “Phase Noise Investigation for a Radar System with Optical
Clock Distribution .” The 17th European Radar Conference, 2021, doi:10.1109/EuRAD48048.2021.00018.
short: 'S. Kruse, M. Bahmanian, P. Kneuper, C. Kress, H.G. Kurz, T. Schneider, C.
Scheytt, in: The 17th European Radar Conference, Jaarbeurs Utrecht, Netherlands
, 2021.'
date_created: 2021-09-09T08:34:16Z
date_updated: 2025-02-25T05:53:51Z
department:
- _id: '58'
- _id: '230'
doi: 10.1109/EuRAD48048.2021.00018
language:
- iso: eng
place: 'Jaarbeurs Utrecht, Netherlands '
publication: The 17th European Radar Conference
status: public
title: 'Phase Noise Investigation for a Radar System with Optical Clock Distribution '
type: conference
user_id: '38254'
year: '2021'
...
---
_id: '23993'
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
citation:
ama: Bahmanian M, Scheytt C. A 2-20-GHz Ultralow Phase Noise Signal Source Using
a Microwave Oscillator Locked to a Mode-Locked Laser. IEEE Transactions on
Microwave Theory and Techniques. 2021;69(3):1635-1645. doi:10.1109/tmtt.2020.3047647
apa: Bahmanian, M., & Scheytt, C. (2021). A 2-20-GHz Ultralow Phase Noise Signal
Source Using a Microwave Oscillator Locked to a Mode-Locked Laser. IEEE Transactions
on Microwave Theory and Techniques, 69(3), 1635–1645. https://doi.org/10.1109/tmtt.2020.3047647
bibtex: '@article{Bahmanian_Scheytt_2021, title={A 2-20-GHz Ultralow Phase Noise
Signal Source Using a Microwave Oscillator Locked to a Mode-Locked Laser}, volume={69},
DOI={10.1109/tmtt.2020.3047647},
number={3}, journal={IEEE Transactions on Microwave Theory and Techniques}, author={Bahmanian,
Meysam and Scheytt, Christoph}, year={2021}, pages={1635–1645} }'
chicago: 'Bahmanian, Meysam, and Christoph Scheytt. “A 2-20-GHz Ultralow Phase Noise
Signal Source Using a Microwave Oscillator Locked to a Mode-Locked Laser.” IEEE
Transactions on Microwave Theory and Techniques 69, no. 3 (2021): 1635–45.
https://doi.org/10.1109/tmtt.2020.3047647.'
ieee: 'M. Bahmanian and C. Scheytt, “A 2-20-GHz Ultralow Phase Noise Signal Source
Using a Microwave Oscillator Locked to a Mode-Locked Laser,” IEEE Transactions
on Microwave Theory and Techniques, vol. 69, no. 3, pp. 1635–1645, 2021, doi:
10.1109/tmtt.2020.3047647.'
mla: Bahmanian, Meysam, and Christoph Scheytt. “A 2-20-GHz Ultralow Phase Noise
Signal Source Using a Microwave Oscillator Locked to a Mode-Locked Laser.” IEEE
Transactions on Microwave Theory and Techniques, vol. 69, no. 3, 2021, pp.
1635–45, doi:10.1109/tmtt.2020.3047647.
short: M. Bahmanian, C. Scheytt, IEEE Transactions on Microwave Theory and Techniques
69 (2021) 1635–1645.
date_created: 2021-09-09T08:30:04Z
date_updated: 2025-03-10T14:10:18Z
department:
- _id: '58'
doi: 10.1109/tmtt.2020.3047647
intvolume: ' 69'
issue: '3'
language:
- iso: eng
page: 1635-1645
publication: IEEE Transactions on Microwave Theory and Techniques
status: public
title: A 2-20-GHz Ultralow Phase Noise Signal Source Using a Microwave Oscillator
Locked to a Mode-Locked Laser
type: journal_article
user_id: '69233'
volume: 69
year: '2021'
...
---
_id: '24024'
abstract:
- lang: eng
text: Recently it has been demonstrated that an optoelectronic phase-locked loop
(OEPLL) using a mode-locked laser as a reference oscillator achieves significantly
lower phase noise than conventional electronic frequency synthesizers. In this
paper a concept for an OEPLL-based frequency synthesizer is presented and it is
investigated how it can be used as a local oscillator (LO) for THz transceivers
in order to improve the signal quality in THz wireless communications. The concept
of the OEPLL is presented and it's measured phase noise is compared to the phase
noise of a laboratory-grade electronic frequency synthesizer. The measured phase
noise spectra of both synthesizers at 10 GHz are then used to model LO phase noise
at 320 GHz. Based on models of generic zero-IF transmit and receive frontends,
THz signals with different modulation formats and Baud rates are simulated at
system level using the modeled LO phase noise for the two LO approaches. Finally,
the results are compared.
author:
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
- first_name: Dominik
full_name: Wrana, Dominik
last_name: Wrana
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Ingmar
full_name: Kallfass, Ingmar
last_name: Kallfass
citation:
ama: 'Scheytt C, Wrana D, Bahmanian M, Kallfass I. Ultra-Low Phase Noise Frequency
Synthesis for THz Communications Using Optoelectronic PLLs. In: 2020 Third
International Workshop on Mobile Terahertz Systems (IWMTS). ; 2020. doi:10.1109/IWMTS49292.2020.9166347'
apa: Scheytt, C., Wrana, D., Bahmanian, M., & Kallfass, I. (2020). Ultra-Low
Phase Noise Frequency Synthesis for THz Communications Using Optoelectronic PLLs.
2020 Third International Workshop on Mobile Terahertz Systems (IWMTS).
https://doi.org/10.1109/IWMTS49292.2020.9166347
bibtex: '@inproceedings{Scheytt_Wrana_Bahmanian_Kallfass_2020, title={Ultra-Low
Phase Noise Frequency Synthesis for THz Communications Using Optoelectronic PLLs},
DOI={10.1109/IWMTS49292.2020.9166347},
booktitle={2020 Third International Workshop on Mobile Terahertz Systems (IWMTS)},
author={Scheytt, Christoph and Wrana, Dominik and Bahmanian, Meysam and Kallfass,
Ingmar}, year={2020} }'
chicago: Scheytt, Christoph, Dominik Wrana, Meysam Bahmanian, and Ingmar Kallfass.
“Ultra-Low Phase Noise Frequency Synthesis for THz Communications Using Optoelectronic
PLLs.” In 2020 Third International Workshop on Mobile Terahertz Systems (IWMTS),
2020. https://doi.org/10.1109/IWMTS49292.2020.9166347.
ieee: 'C. Scheytt, D. Wrana, M. Bahmanian, and I. Kallfass, “Ultra-Low Phase Noise
Frequency Synthesis for THz Communications Using Optoelectronic PLLs,” Essen,
Germany , 2020, doi: 10.1109/IWMTS49292.2020.9166347.'
mla: Scheytt, Christoph, et al. “Ultra-Low Phase Noise Frequency Synthesis for THz
Communications Using Optoelectronic PLLs.” 2020 Third International Workshop
on Mobile Terahertz Systems (IWMTS), 2020, doi:10.1109/IWMTS49292.2020.9166347.
short: 'C. Scheytt, D. Wrana, M. Bahmanian, I. Kallfass, in: 2020 Third International
Workshop on Mobile Terahertz Systems (IWMTS), 2020.'
conference:
end_date: 2020.07.02
location: 'Essen, Germany '
start_date: 2020.07.01
date_created: 2021-09-09T11:50:15Z
date_updated: 2023-01-11T07:18:47Z
department:
- _id: '58'
- _id: '230'
doi: 10.1109/IWMTS49292.2020.9166347
language:
- iso: eng
publication: 2020 Third International Workshop on Mobile Terahertz Systems (IWMTS)
related_material:
link:
- relation: confirmation
url: https://ieeexplore.ieee.org/document/9166347
status: public
title: Ultra-Low Phase Noise Frequency Synthesis for THz Communications Using Optoelectronic
PLLs
type: conference
user_id: '15931'
year: '2020'
...
---
_id: '24023'
abstract:
- lang: eng
text: This paper presents an ultra-wideband and ultra-low noise frequency synthesizer
using a mode-locked laser as its reference. The frequency synthesizer can lock
in the frequency range from 2 GHz to 20 GHz on any harmonic of a mode-locked laser
optical pulse train. The integrated rms-jitter (1 kHz-100 MHz) of the synthesizer
is less than 5 fs in the frequency range from 4 GHz to 20 GHz with a typical value
of 4 fs and a minimum of 3 fs. This is the first reported wideband phase locked
loop achieving sub-10 fs rms-jitter for offset frequencies larger than 1 kHz.
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Saeed
full_name: Fard, Saeed
id: '88494'
last_name: Fard
- first_name: Bastian
full_name: Koppelmann, Bastian
id: '25260'
last_name: Koppelmann
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: 'Bahmanian M, Fard S, Koppelmann B, Scheytt C. Wide-Band Frequency Synthesizer
with Ultra-Low Phase Noise Using an Optical Clock Source. In: 2020 IEEE/MTT-S
International Microwave Symposium (IMS). IEEE; 2020. doi:10.1109/IMS30576.2020.9224118'
apa: Bahmanian, M., Fard, S., Koppelmann, B., & Scheytt, C. (2020). Wide-Band
Frequency Synthesizer with Ultra-Low Phase Noise Using an Optical Clock Source.
2020 IEEE/MTT-S International Microwave Symposium (IMS). https://doi.org/10.1109/IMS30576.2020.9224118
bibtex: '@inproceedings{Bahmanian_Fard_Koppelmann_Scheytt_2020, place={Los Angeles,
CA, USA, USA}, title={Wide-Band Frequency Synthesizer with Ultra-Low Phase Noise
Using an Optical Clock Source}, DOI={10.1109/IMS30576.2020.9224118},
booktitle={ 2020 IEEE/MTT-S International Microwave Symposium (IMS)}, publisher={IEEE},
author={Bahmanian, Meysam and Fard, Saeed and Koppelmann, Bastian and Scheytt,
Christoph}, year={2020} }'
chicago: 'Bahmanian, Meysam, Saeed Fard, Bastian Koppelmann, and Christoph Scheytt.
“Wide-Band Frequency Synthesizer with Ultra-Low Phase Noise Using an Optical Clock
Source.” In 2020 IEEE/MTT-S International Microwave Symposium (IMS). Los
Angeles, CA, USA, USA: IEEE, 2020. https://doi.org/10.1109/IMS30576.2020.9224118.'
ieee: 'M. Bahmanian, S. Fard, B. Koppelmann, and C. Scheytt, “Wide-Band Frequency
Synthesizer with Ultra-Low Phase Noise Using an Optical Clock Source,” 2020, doi:
10.1109/IMS30576.2020.9224118.'
mla: Bahmanian, Meysam, et al. “Wide-Band Frequency Synthesizer with Ultra-Low Phase
Noise Using an Optical Clock Source.” 2020 IEEE/MTT-S International Microwave
Symposium (IMS), IEEE, 2020, doi:10.1109/IMS30576.2020.9224118.
short: 'M. Bahmanian, S. Fard, B. Koppelmann, C. Scheytt, in: 2020 IEEE/MTT-S International
Microwave Symposium (IMS), IEEE, Los Angeles, CA, USA, USA, 2020.'
conference:
end_date: 2020.08.06
start_date: 2020.08.04
date_created: 2021-09-09T11:50:14Z
date_updated: 2023-02-01T08:37:34Z
department:
- _id: '58'
- _id: '230'
doi: 10.1109/IMS30576.2020.9224118
language:
- iso: eng
place: Los Angeles, CA, USA, USA
publication: ' 2020 IEEE/MTT-S International Microwave Symposium (IMS)'
publisher: IEEE
related_material:
link:
- relation: confirmation
url: https://ieeexplore.ieee.org/document/9224118
status: public
title: Wide-Band Frequency Synthesizer with Ultra-Low Phase Noise Using an Optical
Clock Source
type: conference
user_id: '15931'
year: '2020'
...
---
_id: '24055'
abstract:
- lang: eng
text: An octave-band voltage-controlled oscillator is phase-locked on the envelope
of the pulse train from a mode-locked laser. The locking scheme employs a balanced
Mach-Zehnder modulator with two photodiodes as a phase detector. The phase.locked
loop has a loop bandwidth of approximately 1MHz and an in-band phase noise of
approximately -135dBc/Hz at all frequencies. The integrated jitter from 1kHz to
100MHz is 21fs, 18.3fs and 13.8fs at 5.016GHz, 7.6GHz and 10.032GHz carrier frequencies,
respectively. To the authors' knowledge, this is the best jitter performance reported
for a PLL with MZM-based phase detection and the first reported PLL of this type
featuring an octave-band frequency range.
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Johannes
full_name: Tiedau, Johannes
last_name: Tiedau
- first_name: Christine
full_name: Silberhorn, Christine
id: '26263'
last_name: Silberhorn
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
citation:
ama: 'Bahmanian M, Tiedau J, Silberhorn C, Scheytt C. Octave-Band Microwave Frequency
Synthesizer Using Mode-Locked Laser as a Reference. In: 2019 International
Topical Meeting on Microwave Photonics (MWP). ; 2019:1-4. doi:10.1109/MWP.2019.8892046'
apa: Bahmanian, M., Tiedau, J., Silberhorn, C., & Scheytt, C. (2019). Octave-Band
Microwave Frequency Synthesizer Using Mode-Locked Laser as a Reference. 2019
International Topical Meeting on Microwave Photonics (MWP), 1–4. https://doi.org/10.1109/MWP.2019.8892046
bibtex: '@inproceedings{Bahmanian_Tiedau_Silberhorn_Scheytt_2019, place={Ottawa,
ON, Canada, Canada}, title={Octave-Band Microwave Frequency Synthesizer Using
Mode-Locked Laser as a Reference}, DOI={10.1109/MWP.2019.8892046},
booktitle={2019 International Topical Meeting on Microwave Photonics (MWP)}, author={Bahmanian,
Meysam and Tiedau, Johannes and Silberhorn, Christine and Scheytt, Christoph},
year={2019}, pages={1–4} }'
chicago: Bahmanian, Meysam, Johannes Tiedau, Christine Silberhorn, and Christoph
Scheytt. “Octave-Band Microwave Frequency Synthesizer Using Mode-Locked Laser
as a Reference.” In 2019 International Topical Meeting on Microwave Photonics
(MWP), 1–4. Ottawa, ON, Canada, Canada, 2019. https://doi.org/10.1109/MWP.2019.8892046.
ieee: 'M. Bahmanian, J. Tiedau, C. Silberhorn, and C. Scheytt, “Octave-Band Microwave
Frequency Synthesizer Using Mode-Locked Laser as a Reference,” in 2019 International
Topical Meeting on Microwave Photonics (MWP), 2019, pp. 1–4, doi: 10.1109/MWP.2019.8892046.'
mla: Bahmanian, Meysam, et al. “Octave-Band Microwave Frequency Synthesizer Using
Mode-Locked Laser as a Reference.” 2019 International Topical Meeting on Microwave
Photonics (MWP), 2019, pp. 1–4, doi:10.1109/MWP.2019.8892046.
short: 'M. Bahmanian, J. Tiedau, C. Silberhorn, C. Scheytt, in: 2019 International
Topical Meeting on Microwave Photonics (MWP), Ottawa, ON, Canada, Canada, 2019,
pp. 1–4.'
conference:
end_date: 2019.10.10
start_date: 2019.10.07
date_created: 2021-09-09T12:26:10Z
date_updated: 2022-01-31T15:17:38Z
department:
- _id: '58'
doi: 10.1109/MWP.2019.8892046
language:
- iso: eng
page: 1-4
place: Ottawa, ON, Canada, Canada
publication: 2019 International Topical Meeting on Microwave Photonics (MWP)
related_material:
link:
- relation: confirmation
url: https://ieeexplore.ieee.org/document/8892046
status: public
title: Octave-Band Microwave Frequency Synthesizer Using Mode-Locked Laser as a Reference
type: conference
user_id: '69233'
year: '2019'
...
---
_id: '24792'
author:
- first_name: Meysam
full_name: Bahmanian, Meysam
id: '69233'
last_name: Bahmanian
- first_name: Christoph
full_name: Scheytt, Christoph
id: '37144'
last_name: Scheytt
orcid: https://orcid.org/0000-0002-5950-6618
citation:
ama: Bahmanian M, Scheytt C. Theory of an Optoelectronic Microwave Phase-Locked
Loop Based on a MLL Reference and MZM-Based Optoelectronic Phase Detection.;
2019.
apa: Bahmanian, M., & Scheytt, C. (2019). Theory of an Optoelectronic Microwave
Phase-locked Loop based on a MLL reference and MZM-based Optoelectronic Phase
Detection.
bibtex: '@book{Bahmanian_Scheytt_2019, place={Meiningen, Deutschland}, title={Theory
of an Optoelectronic Microwave Phase-locked Loop based on a MLL reference and
MZM-based Optoelectronic Phase Detection}, author={Bahmanian, Meysam and Scheytt,
Christoph}, year={2019} }'
chicago: Bahmanian, Meysam, and Christoph Scheytt. Theory of an Optoelectronic
Microwave Phase-Locked Loop Based on a MLL Reference and MZM-Based Optoelectronic
Phase Detection. Meiningen, Deutschland, 2019.
ieee: M. Bahmanian and C. Scheytt, Theory of an Optoelectronic Microwave Phase-locked
Loop based on a MLL reference and MZM-based Optoelectronic Phase Detection.
Meiningen, Deutschland, 2019.
mla: Bahmanian, Meysam, and Christoph Scheytt. Theory of an Optoelectronic Microwave
Phase-Locked Loop Based on a MLL Reference and MZM-Based Optoelectronic Phase
Detection. 2019.
short: M. Bahmanian, C. Scheytt, Theory of an Optoelectronic Microwave Phase-Locked
Loop Based on a MLL Reference and MZM-Based Optoelectronic Phase Detection, Meiningen,
Deutschland, 2019.
date_created: 2021-09-22T08:07:44Z
date_updated: 2023-01-19T08:32:58Z
department:
- _id: '58'
- _id: '230'
language:
- iso: eng
place: Meiningen, Deutschland
status: public
title: Theory of an Optoelectronic Microwave Phase-locked Loop based on a MLL reference
and MZM-based Optoelectronic Phase Detection
type: misc
user_id: '69233'
year: '2019'
...