Traveling-wave photodetectors with high power-bandwidth and gain-bandwidth product performance

Daniel Lasaosa, Jin Wei Shi, Donato Pasquariello, Kian Giap Gan, Ming Chun Tien, Hsu Hao Chang, Shi Wei Chu, Chi Kuang Sun, Yi Jen Chiu, John E. Bowers

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

Traveling-wave photodetectors (TWPDs) are an attractive way to simultaneously maximize external quantum efficiency, electrical bandwidth, and maximum unsaturated output power. We review recent advances in TWPDs. Record high-peak output voltage together with ultrahigh-speed performance has been observed in low-temperature-grown GaAs (LTG-GaAs)-based metal-semiconductor-metal TWPDs at the wavelengths of 800 and 1300 nm. An approach to simultaneously obtain high bandwidth and high external efficiency is a traveling-wave amplifier-photodetector (TAP detector) that combines gain and absorption in either a sequential or simultaneous traveling-wave structure.

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頁數14
期刊IEEE Journal on Selected Topics in Quantum Electronics
10
發行號4
DOIs
出版狀態已出版 - 7月 2004

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