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학술지 High-Speed Travelling-Wave Photodetector with a 3-dB Bandwidth of 410 GHz
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저자
박정우, 한상필, 이동훈, 류한철, 신준환, 김남제, 윤영종, 고현성, 박경현
발행일
201212
출처
ETRI Journal, v.34 no.6, pp.942-945
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.12.0212.0173
초록
A high-speed traveling-wave photodetector (TWPD) with an InGaAs absorber is designed and realized. The bandwidth of the TWPD is measured using electro-optic sampling techniques. The bandwidth is 410 GHz, which shows that the RC limitation is overcome. While the TWPD shows a low responsivity of 0.06 A/W at 1,550 nm, this value can be improved through further optimization of the structure without a sacrifice in bandwidth. © 2012 ETRI.
키워드
Photodetector, Traveling-wave photodetector, Waveguide photodetector
KSP 제안 키워드
10 Ghz, 3-dB bandwidth, Electro-optic sampling, High Speed, Traveling wave, Travelling wave, Waveguide photodetector, sampling techniques