Optoelectronic sampling of ultrafast electric transients with single quantum dots

A. Widhalm, S. Krehs, D. Siebert, N.L. Sharma, T. Langer, B. Jonas, D. Reuter, A. Thiede, J. Förstner, A. Zrenner, Applied Physics Letters 119 (2021) 181109.

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Campus/VPN 2021-11 Widhalm - APL - Optoelectronic sampling of ultrafast electric transients with single quantum dots (published version).pdf 2.00 MB
Journal Article | Published | English
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Abstract
In our work, we have engineered low capacitance single quantum dot photodiodes as sensor devices for the optoelectronic sampling of ultrafast electric signals. By the Stark effect, a time-dependent electric signal is converted into a time-dependent shift of the transition energy. This shift is measured accurately by resonant ps laser spectroscopy with photocurrent detection. In our experiments, we sample the laser synchronous output pulse of an ultrafast CMOS circuit with high resolution. With our quantum dot sensor device, we were able to sample transients below 20 ps with a voltage resolution in the mV-range.
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Journal Title
Applied Physics Letters
Volume
119
Page
181109
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Widhalm A, Krehs S, Siebert D, et al. Optoelectronic sampling of ultrafast electric transients with single quantum dots. Applied Physics Letters. 2021;119:181109. doi:10.1063/5.0061358
Widhalm, A., Krehs, S., Siebert, D., Sharma, N. L., Langer, T., Jonas, B., Reuter, D., Thiede, A., Förstner, J., & Zrenner, A. (2021). Optoelectronic sampling of ultrafast electric transients with single quantum dots. Applied Physics Letters, 119, 181109. https://doi.org/10.1063/5.0061358
@article{Widhalm_Krehs_Siebert_Sharma_Langer_Jonas_Reuter_Thiede_Förstner_Zrenner_2021, title={Optoelectronic sampling of ultrafast electric transients with single quantum dots}, volume={119}, DOI={10.1063/5.0061358}, journal={Applied Physics Letters}, author={Widhalm, Alex and Krehs, Sebastian and Siebert, Dustin and Sharma, Nand Lal and Langer, Timo and Jonas, Björn and Reuter, Dirk and Thiede, Andreas and Förstner, Jens and Zrenner, Artur}, year={2021}, pages={181109} }
Widhalm, Alex, Sebastian Krehs, Dustin Siebert, Nand Lal Sharma, Timo Langer, Björn Jonas, Dirk Reuter, Andreas Thiede, Jens Förstner, and Artur Zrenner. “Optoelectronic Sampling of Ultrafast Electric Transients with Single Quantum Dots.” Applied Physics Letters 119 (2021): 181109. https://doi.org/10.1063/5.0061358.
A. Widhalm et al., “Optoelectronic sampling of ultrafast electric transients with single quantum dots,” Applied Physics Letters, vol. 119, p. 181109, 2021, doi: 10.1063/5.0061358.
Widhalm, Alex, et al. “Optoelectronic Sampling of Ultrafast Electric Transients with Single Quantum Dots.” Applied Physics Letters, vol. 119, 2021, p. 181109, doi:10.1063/5.0061358.
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