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학술지 Ring-Resonator-Integrated Tunable External Cavity Laser Employing EAM and SOA
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저자
윤기홍, 권오균, 김기수, 최병석, 오수환, 김현수, 심재식, 김철수
발행일
201112
출처
Optics Express, v.19 no.25, pp.25465-25470
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.19.025465
협약과제
11PI2500, 차세대 응용플랫폼을 위한 대용량 WDM-PON시스템 개발, 이상수
초록
We propose and demonstrate a tunable external cavity laser (ECL) composed of a polymer Bragg reflector (PBR) and integrated gain chip with gain, a ring resonator, an electro-absorption modulator (EAM), and a semiconductor optical amplifier (SOA). The cavity of the laser is composed of the PBR, gain, and ring resonator. The ring resonator reflects the predetermined wavelengths into the gain region and transmits the output signal into integrated devices such as the EAM and SOA. The output wavelength of the tunable laser is discretely tuned in steps of about 0.8 nm through the thermal-optic effect of the PBR and predetermined mode spacing of the ring resonator. © 2011 Optical Society of America.
KSP 제안 키워드
Bragg reflector, External cavity laser, Ring Resonator, Semiconductor optical amplifiers(SOAs), Tunable lasers, electroabsorption modulator(EAM), integrated device