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Enhancement of Brillouin stokes powers in multiwavelength fiber laser utilizing band‐pass filter
Author(s) -
Saharudin S.,
Abdullah M. K.,
Mahdi M. A.
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.11395
Subject(s) - brillouin zone , optics , brillouin scattering , flatness (cosmology) , lasing threshold , materials science , fiber laser , laser , optoelectronics , physics , cosmology , quantum mechanics
We report an increased number of stokes when used with a band‐pass filter in multiwavelength Brillouin erbium‐doped fiber laser (BEFL). A total of 15 Stokes were achieved as compared with seven in a system without the band‐pass filter. The efficiency of generating Brillouin Stokes improved due to the suppression of out‐of‐band amplified spontaneous emission in the BEFL. The band‐pass filter provides a specific range of lasing window that coincide with the Brillouin pump signal. The flatness of the Brillouin stokes is also improved in the proposed design. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 408–410, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11395