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학술지 Directly Modulated Tunable External Cavity Laser Transmitter Optical Sub-Assembly
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저자
윤기홍, 최병석, 권오균, 오수환, 김기수, 강동민, 한영탁, 이학규
발행일
201401
출처
IEEE Photonics Technology Letters, v.26 no.1, pp.47-49
ISSN
1041-1135
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LPT.2013.2288986
협약과제
13VB1400, 액세스 네트워크용 광집적기반 OLT 서브모듈 플랫폼 개발, 권오균
초록
A compact-size and low-cost tunable external cavity laser transmitter optical sub-assembly with butt-coupled superluminescent diode and polymer Bragg reflector (PBR) is described. The output wavelength of the laser is widely tuned over 16 nm by a heater of the PBR and is finely tuned by a phase of the PBR. The threshold current and output power slope of the laser are 8 mA and 0.117 W/A, respectively, at the temperature of 25 °C. The directly-modulated tunable laser provides 2.5-Gb/s transmission through a 80-km standard single-mode fiber without an error-flow by controlling the phase power of the PBR and its dispersion power penalty is <0.7 dB. © 2013 IEEE.
키워드
Bragg reflector, External cavity, Semiconductor laser, Tunable laser
KSP 제안 키워드
16 nm, Bragg reflector, Compact size, Directly modulated, Dispersion power penalty, External cavity laser, Laser transmitter, Low-cost, Output power, Semiconductor lasers, Single-mode fiber(SMF)