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학술대회 High-Performance Operations of Sampled Grating DBR Lasers with Optimized Butt-Coupling Method
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저자
오수환, 이철욱, 김기수, 고현성, 박상기, 박문호, 이지면, 김수현, 정영철
발행일
200609
출처
Passive Components and Fiber-based Devices III (APOC) 2006 (SPIE 6352), v.6352, pp.1-8
DOI
https://dx.doi.org/10.1117/12.691516
협약과제
06MB1900, 광엑세스용 광집적 모듈, 오광룡
초록
The butt-coupled (BT) sampled grating distributed Bragg reflector laser diode (SGDBR-LD) was designed and fabricated using planar buried heterostructure (PBH), enabling a low threshold current and a stable fundamental transverse mode. The but-coupled SGDBR-LD's with target tuning ranges of 44.4nm was fabricated, and the tuning ranges were experimentally measured to be 44.4nm. The measured peak periods of the fabricated SGDBR-LD's were well matched with theoretical values and output power is close to calculated values. The side mode suppression ratio of more than 35dB was obtained in the whole tuning range. The output power variation was less than 5dB, which is 4dB smaller than that of RWG structure.
키워드
Butt-coupled, Integrated laser, PBH-LD, Sampled grating, SGDBR-LD, Tunable laser
KSP 제안 키워드
Coupling method, Distributed Bragg reflector laser, High performance, Integrated laser, Laser diode(LD), Low threshold current, Output power, Power variation, Sampled grating distributed Bragg reflector(SG-DBR), Transverse mode, Tunable lasers