Chinese Optics Letters, 2004, 2 (5): 05282, Published Online: Jun. 6, 2006  

A unidirectional room temperature multi-wavelength fiber ring laser without isolator Download: 511次

Author Affiliations
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Abstract
A simplified ring cavity for achieving a unidirectional room temperature multi-wavelength erbium-doped fiber ring laser without optical isolator is demonstrated. The fiber ring cavity is built in such a way that the optical fields propagating in two directions suffer different losses caused by one sampled fiber Bragg grating. Furthermore, simultaneous multi-wavelength lasing with 0.8-nm intervals is demonstrated with sinusoidal phase modulation just before the sampled fiber Bragg grating to prevent single-wavelength lasing and unstable wavelength oscillation.

Guoyong Sun, Jing Yang, Ronghui Qu, Zujie Fang, Xiangzhao Wang. A unidirectional room temperature multi-wavelength fiber ring laser without isolator[J]. Chinese Optics Letters, 2004, 2(5): 05282.

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