Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 29, Issue 10, Pages 1482-1488Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2011.2134833
Keywords
Fiber optics; fiber laser; photonic crystal fibers; raman laser; Rayleigh scattering; random laser
Funding
- Spanish Government [TEC2010-20224-C02-01]
- European COST action [TD 1001]
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Different multiwavelength Raman fiber lasers based on a hybrid cavity setup are proposed. The lasing schemes are based in highly birefringent photonic crystal fiber loop mirrors combined with random cavities. The Hi-Bi PCF loop mirrors are characterized by an interferometric output; whereas the random mirrors are created by cooperative Rayleigh scattering due to Raman gain. This configuration allows suppression of Rayleigh associated noise growth, while taking advantage of it as an active part of the laser cavity, enhancing the achievable gain. The proposed fiber lasers present stable operation at room temperature although different output maxima and shapes depending on the fiber loop mirror/random mirror combination.
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