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학술지 2.5-Gb/s Hybridly-Integrated Tunable External Cavity Laser using a Superluminescent Diode and a Polymer Bragg Reflector
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저자
윤기홍, 오수환, 김기수, 권오균, 오대곤, 노영욱, 이형종
발행일
201003
출처
Optics Express, v.18 no.6, pp.5556-5561
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.18.005556
협약과제
09MB2500, FTTH 고도화 광부품 기술개발, 오대곤
초록
We presented a hybridly-integrated tunable external cavity laser with 0.8 nm mode spacing 16 channels operating in the direct modulation of 2.5-Gbps for a low-cost source of a WDM-PON system. The tunable laser was fabricated by using a superluminescent diode (SLD) and a polymer Bragg reflector. The maximum output power and the power slope efficiency of the tunable laser were 10.3 mW and 0.132 mW/mA, respectively, at the SLD current of 100 mA and the temperature of 25°C. The directlymodulated tunable laser successfully provided 2.5-Gbps transmissions through 20-km standard single mode fiber. The power penalty of the tunable laser was less than 0.8 dB for 16 channels after a 20-km transmission. The power penalty variation was less than 1.4 dB during the blue-shifted wavelength tuning. © 2010 Optical Society of America.
KSP 제안 키워드
Blue-shifted, Bragg reflector, Direct modulation, External cavity laser, Low-cost, PON system, Single-mode fiber(SMF), Slope efficiency, Superluminescent diodes(SLDs), Tunable lasers, Wavelength-division-multiplexing passive optical network(WDM-PON)