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학술지 Tunable External Cavity Laser Employing Uncooled Superluminescent Diode
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저자
오수환, 김기수, 주정진, 김민수, 윤기홍, 오대곤, 노영욱, 이형종
발행일
200905
출처
Optics Express, v.17 no.12, pp.10189-10194
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.17.010189
협약과제
08MB3400, FTTH 고도화 광부품 기술개발, 오대곤
초록
We have fabricated a tunable external cavity laser (T-ECL) based on a superluminescent diode and a polymeric waveguide Bragg reflector, providing a cost-effective solution for wavelength division multiplexing-passive optical network (WDM-PON) systems. The wavelength of the T-ECL is tuned through 100 GHz-spacing 16 channels by the thermo-optic tuning of the refractive index of the polymer waveguide at a low input power of 70 mW. The maximum output power and the slope efficiency of the uncooled diode at 20 (75) °C are 8.83 (3.80) mW and 0.107 (0.061) W/A, respectively. The T-ECL operated successfully in the direct modulation for 1.25 Gbit/s transmissions over 20 km. © 2009 Optical Society of America.
KSP 제안 키워드
Bragg reflector, Direct modulation, External cavity laser, Low input power, Slope efficiency, Superluminescent diodes(SLDs), Thermo-optic, Wavelength Division Multiplexing(WDM), Wavelength-division-multiplexing passive optical network(WDM-PON), cost-effective, maximum output power