Single‐sided output Sn/Er/Yb distributed feedback fiber laser

Autor:	L. Dong, J. E. Caplen, W. H. Loh
Rok vydání:	1996
Předmět:	Ytterbium Distributed feedback laser Optical fiber Materials science Physics and Astronomy (miscellaneous) business.industry chemistry.chemical_element Grating Laser law.invention Erbium Optics chemistry Fiber Bragg grating law Fiber laser Optoelectronics business
Zdroj:	Applied Physics Letters. 69:2151-2153
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.117148
Popis:	A distributed feedback laser based on Sn/Er/Yb fiber is demonstrated. Unlike previous Er/Yb DFB lasers, hydrogenation is not required for grating fabrication. Single‐sided output operation is obtained by directly splicing one end of the active grating to a broadband high reflecting grating, with 10 mW output power achieved for 110 mW pump power. Although hydrogenation is able to enhance the photosensitivity/grating strength further, this is actually found to degrade the laser efficiency due to increased losses.
Databáze:	OpenAIRE
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