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학술지 Wideband multiwavelength erbium-doped fiber ring laser with frequency shifted feedback
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저자
김승관, 주무정, 이종현
발행일
200104
출처
Optics Communications, v.190 no.1-6, pp.291-302
ISSN
0030-4018
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/S0030-4018(01)01073-2
초록
Wideband multiwavelength erbium-doped fiber ring lasers with frequency shifted feedback are described. The use of an intra-cavity gain flattening filter (GFF) was proposed in order to increase the lasing spectral bandwidth, leading to a demonstration of 34 lasing wavelengths in 28 nm bandwidth in C-band. The GFF induced spectral output power fluctuation is discussed. Multiwavelength operation was also demonstrated for the first time in L-band, where wideband laser operation was obtained without a GFF. Optical bistability and Kerr effect induced pulsation were determined to be limiting factors to stable operation range in this kind of multiwavelength lasers. © 2001 Published by Elsevier Science B.V.
키워드
Erbium, Fiber lasers, Multiwavelength, Wavelength division mutiplexing
KSP 제안 키워드
28 nm, C-band, Erbium-doped fiber ring laser(EDFRL), Fiber laser, Gain flattening filter, Intra-cavity, Kerr Effect, Laser operation, Limiting factors, Multiwavelength lasers, Optical bistability