Photonic High-Power 160-GHz Signal Generation by Using Ultrafast Photodiode and a High-Repetition-Rate Femtosecond Optical Pulse Train Generator

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题名:	Photonic High-Power 160-GHz Signal Generation by Using Ultrafast Photodiode and a High-Repetition-Rate Femtosecond Optical Pulse Train Generator
作者:	許晉瑋;Wun, Jhih-Min;Liu, Hao-Yun;Lai, Cheng-Hung;Chen, Yi-Shiun;Yang, Shang-Da;Pan, Ci-Ling;Bowers, John E.;Huang, Chen-Bin;Shi, Jin-Wei
贡献者:	資訊電機學院電機工程學系
关键词:	Bandwidth;Femtosecond;Frequency measurement;Generators;Modulation;Optical communication;Optical modulation;Optical pulses;Photodiodes;Photonics;Power generation;Trains;Ultrafast optics
日期:	2014-11-01
上传时间:	2026-04-23 14:30:20 (UTC+8)
出版者:	Institute of Electrical and Electronics Engineers Inc.;New York: IEEE
摘要:	摘要： We demonstrate photonic high-power MMW generation at subTHz (160 GHz) frequencies by using ultrafast near-ballistic unitraveling carrier photodiodes (NBUTC-PD), which have a miniaturized active area (24 μm 2 ) and flip-chip bonding package for good heat-sinking. Under optical sinusoidal signal excitation with a ~85% modulation depth, 165-GHz optical-to-electrical 3-dB bandwidth, 18-mA saturation current, +5.11-dBm maximum output power at 160-GHz operating frequency has been demonstrated. In order to further mitigate device-heating, we developed a high-power pulsed optical signal source with increased optical modulation depth: a femtosecond optical short-pulse generator with extremely high repetition rate (160 GHz) and pulsewidth as short as 285 fs. With this novel source, we generated high MMW power (+7.8 dBm) with an effective 120% optical modulation depth at 160 GHz directly from the NBUTC-PD. 其他題名： JSTQE 出版者： New York: IEEE 出版日期： 2014-11 出處： IEEE journal of selected topics in quantum electronics, 2014-11, Vol.20 (6), p.10-16 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov/Dec 2014 識別號： ISSN: 1077-260X 識別號： EISSN: 1558-4542 識別號： DOI: 10.1109/JSTQE.2014.2329940 識別號： CODEN: IJSQEN
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