Demonstration of stable raman fibre laser with asymmetrical laser cavity including broadband chirped FBG

Young-Eun Im; Kyungwon Chun; Hangeul Kim; Swook Hann; Dong-Hwan Kim; Youngjoo Chung; Chang-Soo Park

doi:10.1117/12.835357

5 October 2009 Demonstration of stable raman fibre laser with asymmetrical laser cavity including broadband chirped FBG

Young-Eun Im, Kyungwon Chun, Hangeul Kim, Swook Hann, Dong-Hwan Kim, Youngjoo Chung, Chang-Soo Park

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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75036P (2009) https://doi.org/10.1117/12.835357
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

We experimentally and theoretically demonstrated a novel technique to generate a stable multi-wavelength Raman fibre laser (RFL) based on an asymmetrical all-fibre Raman laser cavity by using a broadband chirped fibre Bragg grating (CFBG). The output power variations from detuning the center wavelength of in/out reflectors are studied with symmetrical and asymmetrical RFL cavities. The RFL output with asymmetrical cavity is more stable than that of symmetrical cavity.

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Young-Eun Im, Kyungwon Chun, Hangeul Kim, Swook Hann, Dong-Hwan Kim, Youngjoo Chung, and Chang-Soo Park "Demonstration of stable raman fibre laser with asymmetrical laser cavity including broadband chirped FBG", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036P (5 October 2009); https://doi.org/10.1117/12.835357

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KEYWORDS

Fiber Bragg gratings

Raman spectroscopy

Laser resonators

Reflectivity

Reflectors

Fiber lasers

Output couplers

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