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Wideband multiwavelength erbium-doped fiber ring laser with frequency shifted feedback
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- Authors
- Seung Kwan Kim, Moo Jung Chu, Jong Hyun Lee
- Issue Date
- 2001-04
- Citation
- Optics Communications, v.190, no.1-6, pp.291-302
- ISSN
- 0030-4018
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- 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.
- KSP Keywords
- 28 nm, C-band, Erbium-doped fiber ring laser(EDFRL), Gain flattening filter, Intra-cavity, Kerr Effect, Laser operation, Limiting factor, Multiwavelength lasers, Output power fluctuation, frequency shifted