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학술지 Gain-clamped Raman Fiber Oscillator
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저자
서홍석, 안준태, 박봉제, 정운진
발행일
200802
출처
Optics Letters, v.33 no.4, pp.327-329
ISSN
0146-9592
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OL.33.000327
협약과제
07ZB1200, 정보통신미래신기술연구사업, 정태형
초록
Gain band expansion of a Raman amplifier based on a Raman fiber oscillator (RFO) was tested with two Raman lasers, which yielded a broad gain spectrum of about 40 nm. However, they also introduced gain-clamping behavior in the short-wavelength range and abnormal excessive gain in long-wavelength channels, which were undesirable for practical application. The proper mechanism of the behavior was analyzed and experimentally demonstrated to apply to a gain-clamped (GC) amplifier based on a RFO. Appropriate configuration of the GC-RFO for wide gain bandwidth was proposed and characterized. © 2008 Optical Society of America.
KSP 제안 키워드
40 nm, Band expansion, Gain clamping, Gain spectrum, Raman amplifiers, Raman laser, gain bandwidth, long wavelength, practical application, short wavelength, wavelength range