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학술지 Tunable External Cavity Laser by Hybrid Integration of a Superluminescent Diode and a Polymer Bragg Reflector
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저자
오수환, 윤기홍, 김기수, 김종배, 권오균, 오대곤, 노영욱, 서준규, 이형종
발행일
201112
출처
IEEE Journal of Selected Topics in Quantum Electronics, v.17 no.6, pp.1534-1541
ISSN
1077-260X
출판사
IEEE
DOI
https://dx.doi.org/10.1109/JSTQE.2011.2130515
협약과제
11VB1500, 액세스 네트워크용 광집적기반 OLT서브모듈 플랫폼 개발, 권오균
초록
We report a tunable external cavity laser (T-ECL) using a superluminescent diode (SLD) and a polymer Bragg reflector with 0.8-nm mode spacing 25 channels operating in the direct modulation of 2.5 Gb/s for a low-cost source of a wavelength division multiplexed passive optical network (WDM-PON) system. The maximum output power is 12.2mW and the slope efficiency of the T-ECL is about 0.12-0.17mW/mA in the tuning range of 20 nm at the SLD current of 50mA and at the temperature of 25°C. The T-ECL successfully operated in the direct modulation for 2.5-Gb/s transmission through 20-km standard single-mode fiber. The power penalty of the T-ECL is less than 0.8dB for 25 channels after the 20-km transmission. The power penalty variation is less than 1.5dB in the wavelength-tuning range of 20nm. The performance of the T-ECL satisfies the requirements of the WDM-PON system. © 2006 IEEE.
키워드
External cavity laser, polymer Bragg reflector (PBR), spot-size converter, superluminescent diode (SLD), tunable laser, wavelength division multiplexed-passive optical network (WDM-PON) system
KSP 제안 키워드
20 nm, Bragg reflector, Direct modulation, External cavity laser, Hybrid Integration, Low-cost, PON system, Single-mode fiber(SMF), Slope efficiency, Spot size converter(SSC), Standard single-mode fiber