---
_id: '44315'
abstract:
- lang: eng
text:
The study investigates two different ways of guiding the addressee of an explanation - an explainee, through action demonstration: contrastive and non-contrastive. Their effect was tested on attention to specific action elements (goal) as well as on event memory. In an eye-tracking experiment, participants were shown different motion videos that were either contrastive or non-contrastive with respect to the segments of movement presentation. Given that everyday action demonstration is often multimodal, the stimuli were created with re- spect to their visual and verbal presentation. For visual presentation, a video combined two movements in a contrastive (e.g., Up-motion following a Down-motion) or non-contrastive way (e.g., two Up-motions following each other). For verbal presentation, each video was combined with a sequence of instruction descriptions in the form of negative (i.e., contrastive) or assertive (i.e., non-contrastive) guidance. It was found that a) attention to the event goal increased for this condition in the later time window, and b) participants’ recall of the event was facilitated when a visually contrastive motion was combined with a verbal contrast.
' author: - first_name: Amit full_name: Singh, Amit id: '91018' last_name: Singh orcid: 0000-0002-7789-1521 - first_name: Katharina J. full_name: Rohlfing, Katharina J. id: '50352' last_name: Rohlfing citation: ama: 'Singh A, Rohlfing KJ. Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall. In: Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45). Cognitive Science Society; 2023.' apa: 'Singh, A., & Rohlfing, K. J. (2023). Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall. Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45). 45th Annual Conference of the Cognitive Science Society, Sydney.' bibtex: '@inproceedings{Singh_Rohlfing_2023, place={Sydney, Australia}, title={Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall}, booktitle={Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45)}, publisher={Cognitive Science Society}, author={Singh, Amit and Rohlfing, Katharina J.}, year={2023} }' chicago: 'Singh, Amit, and Katharina J. Rohlfing. “Contrastiveness in the Context of Action Demonstration: An Eye-Tracking Study on Its Effects on Action Perception and Action Recall.” In Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45). Sydney, Australia: Cognitive Science Society, 2023.' ieee: 'A. Singh and K. J. Rohlfing, “Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall,” presented at the 45th Annual Conference of the Cognitive Science Society, Sydney, 2023.' mla: 'Singh, Amit, and Katharina J. Rohlfing. “Contrastiveness in the Context of Action Demonstration: An Eye-Tracking Study on Its Effects on Action Perception and Action Recall.” Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45), Cognitive Science Society, 2023.' short: 'A. Singh, K.J. Rohlfing, in: Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45), Cognitive Science Society, Sydney, Australia, 2023.' conference: location: Sydney name: 45th Annual Conference of the Cognitive Science Society date_created: 2023-07-15T12:16:42Z date_updated: 2023-09-27T13:51:42Z department: - _id: '749' - _id: '660' keyword: - Attention - negation - contrastive guidance - eye-movements - action understanding - event representation language: - iso: eng main_file_link: - open_access: '1' url: https://escholarship.org/uc/item/2w94t4cv oa: '1' place: Sydney, Australia popular_science: '1' project: - _id: '115' grant_number: '438445824' name: 'TRR 318 - A05: TRR 318 - Echtzeitmessung der Aufmerksamkeit im Mensch-Roboter-Erklärdialog (Teilprojekt A05)' publication: Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45) publication_status: published publisher: Cognitive Science Society quality_controlled: '1' related_material: record: - id: '46067' relation: contains status: public status: public title: 'Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall' type: conference user_id: '91018' 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: 2023-09-27T11:22:26Z department: - _id: '58' - _id: '230' doi: 10.1109/PIERS59004.2023.10221473 language: - iso: eng main_file_link: - url: https://ieeexplore.ieee.org/document/10221473 publication: '2023 PhotonIcs & Electromagnetics Research Symposium (PIERS), ' publication_identifier: eisbn: - 979-8-3503-1284-3 publication_status: published publisher: IEEE related_material: link: - relation: confirmation url: https://ieeexplore.ieee.org/document/10221473 status: public title: Analysis of Phase Noise in Waveguide-integrated Optical Test Structures in Silicon Photonics type: conference user_id: '15931' year: '2023' ... --- _id: '47420' author: - first_name: Christian full_name: Kürpick, Christian last_name: Kürpick - first_name: Anja full_name: Rasor, Anja id: '34415' last_name: Rasor - first_name: Michel full_name: Scholtysik, Michel id: '50562' last_name: Scholtysik - first_name: Arno full_name: Kühn, Arno last_name: Kühn - first_name: Christian full_name: Koldewey, Christian id: '43136' last_name: Koldewey orcid: https://orcid.org/0000-0001-7992-6399 - first_name: Roman full_name: Dumitrescu, Roman id: '16190' last_name: Dumitrescu citation: ama: 'Kürpick C, Rasor A, Scholtysik M, Kühn A, Koldewey C, Dumitrescu R. An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation. Procedia CIRP. 2023;119:614-619. doi:10.1016/j.procir.2023.02.155' apa: 'Kürpick, C., Rasor, A., Scholtysik, M., Kühn, A., Koldewey, C., & Dumitrescu, R. (2023). An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation. Procedia CIRP, 119, 614–619. https://doi.org/10.1016/j.procir.2023.02.155' bibtex: '@article{Kürpick_Rasor_Scholtysik_Kühn_Koldewey_Dumitrescu_2023, title={An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation}, volume={119}, DOI={10.1016/j.procir.2023.02.155}, journal={Procedia CIRP}, publisher={Elsevier BV}, author={Kürpick, Christian and Rasor, Anja and Scholtysik, Michel and Kühn, Arno and Koldewey, Christian and Dumitrescu, Roman}, year={2023}, pages={614–619} }' chicago: 'Kürpick, Christian, Anja Rasor, Michel Scholtysik, Arno Kühn, Christian Koldewey, and Roman Dumitrescu. “An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation.” Procedia CIRP 119 (2023): 614–19. https://doi.org/10.1016/j.procir.2023.02.155.' ieee: 'C. Kürpick, A. Rasor, M. Scholtysik, A. Kühn, C. Koldewey, and R. Dumitrescu, “An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation,” Procedia CIRP, vol. 119, pp. 614–619, 2023, doi: 10.1016/j.procir.2023.02.155.' mla: 'Kürpick, Christian, et al. “An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation.” Procedia CIRP, vol. 119, Elsevier BV, 2023, pp. 614–19, doi:10.1016/j.procir.2023.02.155.' short: C. Kürpick, A. Rasor, M. Scholtysik, A. Kühn, C. Koldewey, R. Dumitrescu, Procedia CIRP 119 (2023) 614–619. date_created: 2023-09-25T12:15:37Z date_updated: 2023-09-27T11:31:56Z department: - _id: '563' doi: 10.1016/j.procir.2023.02.155 intvolume: ' 119' keyword: - General Medicine language: - iso: eng page: 614-619 publication: Procedia CIRP publication_identifier: issn: - 2212-8271 publication_status: published publisher: Elsevier BV status: public title: 'An Integrative View of the Transformations towards Sustainability and Digitalization: The Case for a Dual Transformation' type: journal_article user_id: '34415' volume: 119 year: '2023' ... --- _id: '40274' author: - first_name: Xiaokun full_name: Zhai, Xiaokun last_name: Zhai - first_name: Xuekai full_name: Ma, Xuekai id: '59416' last_name: Ma - first_name: Ying full_name: Gao, Ying last_name: Gao - first_name: Chunzi full_name: Xing, Chunzi last_name: Xing - first_name: Meini full_name: Gao, Meini last_name: Gao - first_name: Haitao full_name: Dai, Haitao last_name: Dai - first_name: Xiao full_name: Wang, Xiao last_name: Wang - first_name: Anlian full_name: Pan, Anlian last_name: Pan - first_name: Stefan full_name: Schumacher, Stefan id: '27271' last_name: Schumacher orcid: 0000-0003-4042-4951 - first_name: Tingge full_name: Gao, Tingge last_name: Gao citation: ama: Zhai X, Ma X, Gao Y, et al. Electrically controlling vortices in a neutral exciton polariton condensate at room temperature. Physical Review Letters. 2023;131(13):136901. doi:10.1103/PhysRevLett.131.136901 apa: Zhai, X., Ma, X., Gao, Y., Xing, C., Gao, M., Dai, H., Wang, X., Pan, A., Schumacher, S., & Gao, T. (2023). Electrically controlling vortices in a neutral exciton polariton condensate at room temperature. Physical Review Letters, 131(13), 136901. https://doi.org/10.1103/PhysRevLett.131.136901 bibtex: '@article{Zhai_Ma_Gao_Xing_Gao_Dai_Wang_Pan_Schumacher_Gao_2023, title={Electrically controlling vortices in a neutral exciton polariton condensate at room temperature}, volume={131}, DOI={10.1103/PhysRevLett.131.136901}, number={13}, journal={Physical Review Letters}, author={Zhai, Xiaokun and Ma, Xuekai and Gao, Ying and Xing, Chunzi and Gao, Meini and Dai, Haitao and Wang, Xiao and Pan, Anlian and Schumacher, Stefan and Gao, Tingge}, year={2023}, pages={136901} }' chicago: 'Zhai, Xiaokun, Xuekai Ma, Ying Gao, Chunzi Xing, Meini Gao, Haitao Dai, Xiao Wang, Anlian Pan, Stefan Schumacher, and Tingge Gao. “Electrically Controlling Vortices in a Neutral Exciton Polariton Condensate at Room Temperature.” Physical Review Letters 131, no. 13 (2023): 136901. https://doi.org/10.1103/PhysRevLett.131.136901.' ieee: 'X. Zhai et al., “Electrically controlling vortices in a neutral exciton polariton condensate at room temperature,” Physical Review Letters, vol. 131, no. 13, p. 136901, 2023, doi: 10.1103/PhysRevLett.131.136901.' mla: Zhai, Xiaokun, et al. “Electrically Controlling Vortices in a Neutral Exciton Polariton Condensate at Room Temperature.” Physical Review Letters, vol. 131, no. 13, 2023, p. 136901, doi:10.1103/PhysRevLett.131.136901. short: X. Zhai, X. Ma, Y. Gao, C. Xing, M. Gao, H. Dai, X. Wang, A. Pan, S. Schumacher, T. Gao, Physical Review Letters 131 (2023) 136901. date_created: 2023-01-26T10:24:23Z date_updated: 2023-09-28T08:03:55Z department: - _id: '15' - _id: '705' doi: 10.1103/PhysRevLett.131.136901 intvolume: ' 131' issue: '13' language: - iso: eng page: '136901' publication: Physical Review Letters status: public title: Electrically controlling vortices in a neutral exciton polariton condensate at room temperature type: journal_article user_id: '59416' volume: 131 year: '2023' ... --- _id: '47234' author: - first_name: Birte full_name: Sehlmeyer, Birte last_name: Sehlmeyer - first_name: 'Rebecca ' full_name: 'Kampmann, Rebecca ' last_name: Kampmann - first_name: Claus full_name: Scheidemann, Claus id: '38259' last_name: Scheidemann - first_name: Tobias full_name: Hemsel, Tobias id: '210' last_name: Hemsel - first_name: 'Mathias ' full_name: 'Getzlaff, Mathias ' last_name: Getzlaff citation: ama: 'Sehlmeyer B, Kampmann R, Scheidemann C, Hemsel T, Getzlaff M. Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells. In: Deutsche Physikalische Gesellschaft e. V., ed. Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM). ; 2023.' apa: Sehlmeyer, B., Kampmann, R., Scheidemann, C., Hemsel, T., & Getzlaff, M. (2023). Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells. In Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM). bibtex: '@inproceedings{Sehlmeyer_Kampmann_Scheidemann_Hemsel_Getzlaff_2023, title={Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells}, booktitle={Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM)}, author={Sehlmeyer, Birte and Kampmann, Rebecca and Scheidemann, Claus and Hemsel, Tobias and Getzlaff, Mathias }, editor={Deutsche Physikalische Gesellschaft e. V.}, year={2023} }' chicago: Sehlmeyer, Birte, Rebecca Kampmann, Claus Scheidemann, Tobias Hemsel, and Mathias Getzlaff. “Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells.” In Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), edited by Deutsche Physikalische Gesellschaft e. V., 2023. ieee: B. Sehlmeyer, R. Kampmann, C. Scheidemann, T. Hemsel, and M. Getzlaff, “Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells,” in Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), Dresden, 2023. mla: Sehlmeyer, Birte, et al. “Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells.” Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), edited by Deutsche Physikalische Gesellschaft e. V., 2023. short: 'B. Sehlmeyer, R. Kampmann, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), 2023.' conference: end_date: 2023-03-31 location: Dresden name: 'Deutsche Physikalische Gesellschaft e. V., Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM) ' start_date: 2023-03-26 corporate_editor: - Deutsche Physikalische Gesellschaft e. V. date_created: 2023-09-22T12:13:25Z date_updated: 2023-09-28T09:58:48Z department: - _id: '151' language: - iso: eng publication: Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM) related_material: link: - relation: confirmation url: https://www.dpg-verhandlungen.de/year/2023/conference/skm/part/bp/session/28/contribution/27 status: public title: Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells type: conference_abstract user_id: '210' year: '2023' ... --- _id: '47235' author: - first_name: Rebecca full_name: Kampmann, Rebecca last_name: Kampmann - first_name: Birte full_name: Sehlmeyer, Birte last_name: Sehlmeyer - first_name: Claus full_name: Scheidemann, Claus id: '38259' last_name: Scheidemann - first_name: Tobias full_name: Hemsel, Tobias id: '210' last_name: Hemsel - first_name: Mathias full_name: Getzlaff, Mathias last_name: Getzlaff citation: ama: 'Kampmann R, Sehlmeyer B, Scheidemann C, Hemsel T, Getzlaff M. Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells. In: Deutsche Physikalische Gesellschaft e. V., ed. Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM). ; 2023.' apa: Kampmann, R., Sehlmeyer, B., Scheidemann, C., Hemsel, T., & Getzlaff, M. (2023). Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells. In Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM). bibtex: '@inproceedings{Kampmann_Sehlmeyer_Scheidemann_Hemsel_Getzlaff_2023, title={Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells}, booktitle={Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM)}, author={Kampmann, Rebecca and Sehlmeyer, Birte and Scheidemann, Claus and Hemsel, Tobias and Getzlaff, Mathias}, editor={Deutsche Physikalische Gesellschaft e. V.}, year={2023} }' chicago: Kampmann, Rebecca, Birte Sehlmeyer, Claus Scheidemann, Tobias Hemsel, and Mathias Getzlaff. “Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells.” In Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), edited by Deutsche Physikalische Gesellschaft e. V., 2023. ieee: R. Kampmann, B. Sehlmeyer, C. Scheidemann, T. Hemsel, and M. Getzlaff, “Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells,” in Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), Dresden, 2023. mla: Kampmann, Rebecca, et al. “Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells.” Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), edited by Deutsche Physikalische Gesellschaft e. V., 2023. short: 'R. Kampmann, B. Sehlmeyer, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), 2023.' conference: end_date: 2023-03-31 location: Dresden name: Deutsche Physikalische Gesellschaft e. V., Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM) start_date: 2023-03-26 corporate_editor: - Deutsche Physikalische Gesellschaft e. V. date_created: 2023-09-22T12:19:07Z date_updated: 2023-09-28T09:54:55Z department: - _id: '151' language: - iso: eng publication: Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM) related_material: link: - relation: confirmation url: https://www.dpg-verhandlungen.de/year/2023/conference/skm/part/bp/session/28/contribution/26 status: public title: Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells type: conference_abstract user_id: '210' year: '2023' ... --- _id: '47532' abstract: - lang: eng text: |- In planar microcavities, the transverse-electric and transverse-magnetic (TE-TM) mode splitting of cavity photons arises due to their different penetration into the Bragg mirrors and can result in optical spin-orbit coupling (SOC). In this work, we find that in a liquid crystal (LC) microcavity filled with perovskite microplates, the pronounced TE-TM splitting gives rise to a strong SOC that leads to the spatial instability of microcavity polariton condensates under single-shot excitation. Spatially varying hole burning and mode competition occurs between polarization components leading to different condensate profiles from shot to shot. The single-shot polariton condensates become stable when the SOC vanishes as the TE and TM modes are spectrally well separated from each other, which can be achieved by application of an electric field to our LC microcavity with electrically tunable anisotropy. Our findings are well reproduced and traced back to their physical origin by our detailed numerical simulations. With the electrical manipulation our work reveals how the shot-to-shot spatial instability of spatial polariton profiles can be engineered in anisotropic microcavities at room temperature, which will benefit the development of stable polariton-based optoeletronic and light-emitting devices. author: - first_name: Ying full_name: Gao, Ying last_name: Gao - first_name: Xuekai full_name: Ma, Xuekai last_name: Ma - first_name: Xiaokun full_name: Zhai, Xiaokun last_name: Zhai - first_name: Chunzi full_name: Xing, Chunzi last_name: Xing - first_name: Meini full_name: Gao, Meini last_name: Gao - first_name: Haitao full_name: Dai, Haitao last_name: Dai - first_name: Hao full_name: Wu, Hao last_name: Wu - first_name: Tong full_name: Liu, Tong last_name: Liu - first_name: Yuan full_name: Ren, Yuan last_name: Ren - first_name: Xiao full_name: Wang, Xiao last_name: Wang - first_name: Anlian full_name: Pan, Anlian last_name: Pan - first_name: Wei full_name: Hu, Wei last_name: Hu - first_name: Stefan full_name: Schumacher, Stefan last_name: Schumacher - first_name: Tingge full_name: Gao, Tingge last_name: Gao citation: ama: Gao Y, Ma X, Zhai X, et al. Single-shot spatial instability and electric control of polariton condensates at room temperature. arXiv:230501368. Published online 2023. apa: Gao, Y., Ma, X., Zhai, X., Xing, C., Gao, M., Dai, H., Wu, H., Liu, T., Ren, Y., Wang, X., Pan, A., Hu, W., Schumacher, S., & Gao, T. (2023). Single-shot spatial instability and electric control of polariton condensates at room temperature. In arXiv:2305.01368. bibtex: '@article{Gao_Ma_Zhai_Xing_Gao_Dai_Wu_Liu_Ren_Wang_et al._2023, title={Single-shot spatial instability and electric control of polariton condensates at room temperature}, journal={arXiv:2305.01368}, author={Gao, Ying and Ma, Xuekai and Zhai, Xiaokun and Xing, Chunzi and Gao, Meini and Dai, Haitao and Wu, Hao and Liu, Tong and Ren, Yuan and Wang, Xiao and et al.}, year={2023} }' chicago: Gao, Ying, Xuekai Ma, Xiaokun Zhai, Chunzi Xing, Meini Gao, Haitao Dai, Hao Wu, et al. “Single-Shot Spatial Instability and Electric Control of Polariton Condensates at Room Temperature.” ArXiv:2305.01368, 2023. ieee: Y. Gao et al., “Single-shot spatial instability and electric control of polariton condensates at room temperature,” arXiv:2305.01368. 2023. mla: Gao, Ying, et al. “Single-Shot Spatial Instability and Electric Control of Polariton Condensates at Room Temperature.” ArXiv:2305.01368, 2023. short: Y. Gao, X. Ma, X. Zhai, C. Xing, M. Gao, H. Dai, H. Wu, T. Liu, Y. Ren, X. Wang, A. Pan, W. Hu, S. Schumacher, T. Gao, ArXiv:2305.01368 (2023). date_created: 2023-09-29T11:28:46Z date_updated: 2023-09-29T11:29:13Z department: - _id: '15' external_id: arxiv: - '2305.01368' publication: arXiv:2305.01368 status: public title: |- Single-shot spatial instability and electric control of polariton condensates at room temperature type: preprint user_id: '59416' year: '2023' ... --- _id: '47533' abstract: - lang: eng text: |- The control and active manipulation of spin-orbit coupling (SOC) in photonic systems is fundamental in the development of modern spin optics and topological photonic devices. Here, we demonstrate the control of an artificial Rashba-Dresselhaus (RD) SOC mediated by photochemical reactions in a microcavity filled with an organic single-crystal of photochromic phase-change character. Splitting of the circular polarization components of the optical modes induced by photonic RD SOC is observed experimentally in momentum space. By applying an ultraviolet light beam, we control the spatial molecular orientation through a photochemical reaction and with that we control the energies of the photonic modes. This way we realize a reversible conversion of spin-splitting of the optical modes with different energies, leading to an optically controlled switching between circularly and linearly polarized emission from our device. Our strategy of in situ and reversible engineering of SOC induced by a light field provides a promising approach to actively design and manipulate synthetic gauge fields towards future on-chip integration in photonics and topological photonic devices. author: - first_name: Qian full_name: Liang, Qian last_name: Liang - first_name: Xuekai full_name: Ma, Xuekai last_name: Ma - first_name: Jiahuan full_name: Ren, Jiahuan last_name: Ren - first_name: Teng full_name: Long, Teng last_name: Long - first_name: Chunling full_name: Gu, Chunling last_name: Gu - first_name: Cunbin full_name: An, Cunbin last_name: An - first_name: Hongbing full_name: Fu, Hongbing last_name: Fu - first_name: Stefan full_name: Schumacher, Stefan last_name: Schumacher - first_name: Qing full_name: Liao, Qing last_name: Liao citation: ama: Liang Q, Ma X, Ren J, et al. Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities. arXiv:230907652. Published online 2023. apa: Liang, Q., Ma, X., Ren, J., Long, T., Gu, C., An, C., Fu, H., Schumacher, S., & Liao, Q. (2023). Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities. In arXiv:2309.07652. bibtex: '@article{Liang_Ma_Ren_Long_Gu_An_Fu_Schumacher_Liao_2023, title={Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities}, journal={arXiv:2309.07652}, author={Liang, Qian and Ma, Xuekai and Ren, Jiahuan and Long, Teng and Gu, Chunling and An, Cunbin and Fu, Hongbing and Schumacher, Stefan and Liao, Qing}, year={2023} }' chicago: Liang, Qian, Xuekai Ma, Jiahuan Ren, Teng Long, Chunling Gu, Cunbin An, Hongbing Fu, Stefan Schumacher, and Qing Liao. “Photochemical Reaction Enabling the Engineering of Photonic Spin-Orbit Coupling in Organic-Crystal Optical Microcavities.” ArXiv:2309.07652, 2023. ieee: Q. Liang et al., “Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities,” arXiv:2309.07652. 2023. mla: Liang, Qian, et al. “Photochemical Reaction Enabling the Engineering of Photonic Spin-Orbit Coupling in Organic-Crystal Optical Microcavities.” ArXiv:2309.07652, 2023. short: Q. Liang, X. Ma, J. Ren, T. Long, C. Gu, C. An, H. Fu, S. Schumacher, Q. Liao, ArXiv:2309.07652 (2023). date_created: 2023-09-29T11:29:00Z date_updated: 2023-09-29T11:29:08Z department: - _id: '15' external_id: arxiv: - '2309.07652' publication: arXiv:2309.07652 status: public title: |- Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities type: preprint user_id: '59416' year: '2023' ... --- _id: '47531' abstract: - lang: eng text: "Topological states have been widely investigated in different types of\r\nsystems and lattices. In the present work, we report on topological edge states\r\nin double-wave (DW) chains, which can be described by a generalized\r\nAubry-Andr\\'e-Harper (AAH) model. For the specific system of a\r\ndriven-dissipative exciton polariton system we show that in such potential\r\nchains, different types of edge states can form. For resonant optical\r\nexcitation, we further find that the optical nonlinearity leads to a\r\nmultistability of different edge states. This includes topologically protected\r\nedge states evolved directly from individual linear eigenstates as well as\r\nadditional edge states that originate from nonlinearity-induced localization of\r\nbulk states. Extending the system into two dimensions (2D) by stacking\r\nhorizontal DW chains in the vertical direction, we also create 2D multi-wave\r\nlattices. In such 2D lattices multiple Su-Schrieffer-Heeger (SSH) chains appear\r\nalong the vertical direction. The combination of DW chains in the horizontal\r\nand SSH chains in the vertical direction then results in the formation of\r\nhigher-order topological insulator corner states." author: - first_name: Tobias full_name: Schneider, Tobias last_name: Schneider - first_name: Wenlong full_name: Gao, Wenlong last_name: Gao - first_name: Thomas full_name: Zentgraf, Thomas last_name: Zentgraf - first_name: Stefan full_name: Schumacher, Stefan last_name: Schumacher - first_name: Xuekai full_name: Ma, Xuekai last_name: Ma citation: ama: Schneider T, Gao W, Zentgraf T, Schumacher S, Ma X. Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates. arXiv:230312593. Published online 2023. apa: Schneider, T., Gao, W., Zentgraf, T., Schumacher, S., & Ma, X. (2023). Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates. In arXiv:2303.12593. bibtex: '@article{Schneider_Gao_Zentgraf_Schumacher_Ma_2023, title={Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates}, journal={arXiv:2303.12593}, author={Schneider, Tobias and Gao, Wenlong and Zentgraf, Thomas and Schumacher, Stefan and Ma, Xuekai}, year={2023} }' chicago: Schneider, Tobias, Wenlong Gao, Thomas Zentgraf, Stefan Schumacher, and Xuekai Ma. “Topological Edge and Corner States in Coupled Wave Lattices in Nonlinear Polariton Condensates.” ArXiv:2303.12593, 2023. ieee: T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, and X. Ma, “Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates,” arXiv:2303.12593. 2023. mla: Schneider, Tobias, et al. “Topological Edge and Corner States in Coupled Wave Lattices in Nonlinear Polariton Condensates.” ArXiv:2303.12593, 2023. short: T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, X. Ma, ArXiv:2303.12593 (2023). date_created: 2023-09-29T11:28:21Z date_updated: 2023-09-29T11:29:56Z department: - _id: '15' external_id: arxiv: - '2303.12593' language: - iso: eng publication: arXiv:2303.12593 status: public title: Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates type: preprint user_id: '59416' year: '2023' ... --- _id: '47529' abstract: - lang: eng text: |- Exceptional points (EPs) with their intriguing spectral topology have attracted considerable attention in a broad range of physical systems, with potential sensing applications driving much of the present research in this field. Here we theoretically demonstrate the realization of EPs in a system with significant nonlinearity, a non-equilibrium exciton-polariton condensate. With the possibility to control loss and gain and nonlinearity by optical means, this system allows for a comprehensive analysis of the interplay of nonlinearities (Kerr-type and saturable gain) and non-Hermiticity. Not only do we find that EPs can be intentionally shifted in parameter space by the saturable gain, we also observe intriguing rotations and intersections of Riemann surfaces, and find nonlinearity-enhanced sensing capabilities. Our results are quite general in nature and illustrate the potential of tailoring spectral topology and related phenomena in non-Hermitian systems by nonlinearity. author: - first_name: Jan full_name: Wingenbach, Jan last_name: Wingenbach - first_name: Stefan full_name: Schumacher, Stefan last_name: Schumacher - first_name: Xuekai full_name: Ma, Xuekai last_name: Ma citation: ama: Wingenbach J, Schumacher S, Ma X. Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems. arXiv:230504855. Published online 2023. apa: Wingenbach, J., Schumacher, S., & Ma, X. (2023). Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems. In arXiv:2305.04855. bibtex: '@article{Wingenbach_Schumacher_Ma_2023, title={Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems}, journal={arXiv:2305.04855}, author={Wingenbach, Jan and Schumacher, Stefan and Ma, Xuekai}, year={2023} }' chicago: Wingenbach, Jan, Stefan Schumacher, and Xuekai Ma. “Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems.” ArXiv:2305.04855, 2023. ieee: J. Wingenbach, S. Schumacher, and X. Ma, “Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems,” arXiv:2305.04855. 2023. mla: Wingenbach, Jan, et al. “Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems.” ArXiv:2305.04855, 2023. short: J. Wingenbach, S. Schumacher, X. Ma, ArXiv:2305.04855 (2023). date_created: 2023-09-29T09:18:52Z date_updated: 2023-09-29T11:28:01Z department: - _id: '15' external_id: arxiv: - '2305.04855' publication: arXiv:2305.04855 status: public title: |- Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems type: preprint user_id: '59416' year: '2023' ...