Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Fengqiao Sang"'
Autor:
Paul Verrinder, Lei Wang, Larry A. Coldren, Mark A. Stephen, Victoria Rosborough, Guangning Yang, Fengqiao Sang, Michael Nickerson, Jonathan Klamkin, Joseph Fridlander
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 28:1-9
An active-passive integration technique for operation near a wavelength of 1030 nm has been developed on a gallium arsenide (GaAs) photonic integrated circuit platform. The technique leverages quantum wells (QWs) that are slightly offset vertically f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5100033d7a1ea911cefaf0b42dc217e3
https://doi.org/10.1109/jstqe.2021.3086074
https://doi.org/10.1109/jstqe.2021.3086074
Autor:
Fabrizio Gambini, Jonathan Klamkin, Fengqiao Sang, Joseph Fridlander, Mark A. Stephen, Larry A. Coldren, Victoria Rosborough, Kenji Numata, Simone Tommaso Suran-Brunelli, Jeffrey R. Chen
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 28:1-8
An indium phosphide photonic integrated circuit (PIC) was demonstrated for integrated path differential absorption lidar of atmospheric carbon dioxide (CO2). The PIC consists of two widely tunable sampled grating distributed Bragg reflector (SGDBR) l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6413ba51a47ce348a654d3e1e1563624
https://doi.org/10.1109/jstqe.2021.3091662
https://doi.org/10.1109/jstqe.2021.3091662
Autor:
Fengqiao Sang, Victoria Rosborough, Joseph Fridlander, Fabrizio Gambini, Simone Šuran Brunelli, Jeffrey R. Chen, Stephan R. Kawa, Kenji Numata, Mark Stephen, Larry Coldren, Jonathan Klamkin
Publikováno v:
Optical Fiber Communication Conference (OFC) 2022.
Two generations of indium phosphide photonic integrated circuits were fabricated, characterized, and their performance compared. Successful sampling of carbon dioxide was performed in a laboratory setting under continuous wave sampling.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61681127e0137a31b1e1e21f849ad00f
https://doi.org/10.1364/ofc.2022.tu2e.3
https://doi.org/10.1364/ofc.2022.tu2e.3
Autor:
Paul Verrinder, Lei Wang, Fengqiao Sang, Victoria Rosborough, Guangning Yang, Mark Stephen, Larry Coldren, Jonathan Klamkin
Publikováno v:
Optical Fiber Communication Conference (OFC) 2022.
A widely tunable 1030 nm gallium arsenide laser with an integrated semiconductor optical amplifier was demonstrated. Continuous tuning across 22.2 nm and up to 70 mW output power was achieved.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82c27741610c76db6ac9ce08a70ec68e
https://doi.org/10.1364/ofc.2022.w2a.40
https://doi.org/10.1364/ofc.2022.w2a.40
Autor:
Fabrizio Gambini, Victoria Rosborough, Jonathan Klamkin, Kenji Numata, Joseph Fridlander, Mark A. Stephen, Stephan R. Kawa, Simone Tommaso Suran Brunelli, Fengqiao Sang, Larry A. Coldren, Jeffrey R. Chen
Publikováno v:
2021 27th International Semiconductor Laser Conference (ISLC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af12e59b05ba3026a7247d30d58990d6
https://doi.org/10.1109/islc51662.2021.9615893
https://doi.org/10.1109/islc51662.2021.9615893
Autor:
Paul Verrinder, Michael Nickerson, Victoria Rosborough, Lei Wang, Fengqiao Sang, Joseph Fridlander, Larry A. Coldren, Guangning Yang, Jonathan Klamkin, Mark A. Stephen
Publikováno v:
2021 27th International Semiconductor Laser Conference (ISLC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8662981a4bce635cd378d338d3be151
https://doi.org/10.1109/islc51662.2021.9615662
https://doi.org/10.1109/islc51662.2021.9615662
Autor:
Victoria Rosborough, Kenji Numata, Randy Kawa, Joseph Fridlander, Jonathan Klamkin, Jeffrey R. Chen, Larry A. Coldren, Fengqiao Sang, Simone Tommaso Suran Brunelli, Mark A. Stephen
Publikováno v:
IGARSS
We present recent progress on a photonic integrated lidar system for carbon dioxide (CO 2 ) active remote sensing at 1572.335 nm. With integration, the cost, size, weight and power (CSWaP) of the system are significantly improved. System and subsyste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b03878f4e07d2e14b1ba7dea8f41e95
https://doi.org/10.1109/igarss47720.2021.9553656
https://doi.org/10.1109/igarss47720.2021.9553656
Autor:
Fengqiao Sang, Larry A. Coldren, Sergio Pinna, Simone Tommaso Suran Brunelli, Jonathan Klamkin, Hongwei Zhao, Bowen Song
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 25:1-10
Indium phosphide (InP) is the most developed platform for photonic integrated circuits (PICs). Of interest is the advancement of this platform for applications that demand high performance, especially high output power, including free space communica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d83b66ee2da23333ba528af0c4ced2c2
https://doi.org/10.1109/jstqe.2019.2908788
https://doi.org/10.1109/jstqe.2019.2908788
Autor:
Jeffrey R. Chen, Joseph Fridlander, Mark A. Stephen, Larry A. Coldren, Victoria Rosborough, Fabrizio Gambini, Jonathan Klamkin, Kenji Numata, Stephan R. Kawa, Fengqiao Sang, Simone Tommaso Suran Brunelli
Publikováno v:
OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES).
Subsystem operation of a photonic integrated circuit for low size, weight, and power remote gas sensing was demonstrated. Precision lidar system specifications for laser tuning, photodiode bandwidth and pulse extinction ratio were satisfied. A twenty
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20a7626358aeb56b8fb69dda505a72a4
https://doi.org/10.1364/es.2021.etu6d.2
https://doi.org/10.1364/es.2021.etu6d.2
Autor:
Fengqiao Sang, Victoria Rosborough, Fabrizio Gambini, Mark A. Stephen, Stephan R. Kawa, Kenji Numata, Larry A. Coldren, Simone Tommaso Suran Brunelli, Jeffrey R. Chen, Joseph Fridlander, Jonathan Klamkin
Publikováno v:
Conference on Lasers and Electro-Optics.
A novel indium phosphide Mach-Zehnder interferometer with directional couplers was realized to compensate residual amplitude modulation in integrated phase modulators. The change in transmission for π phase shift was reduced from 3.85 dB to 1.98 dB.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bbe499e85165cc11727ee231c46630a
https://doi.org/10.1364/cleo_si.2021.sth4b.3
https://doi.org/10.1364/cleo_si.2021.sth4b.3