Raman fiber laser with two parallel couplers

Jafar G. Naeini; Kamran Ahmad

doi:10.1117/1.1926167

1 June 2005 Raman fiber laser with two parallel couplers

Jafar G. Naeini, Kamran Ahmad

Author Affiliations +

Optical Engineering, Vol. 44, Issue 6, 064203 (June 2005). https://doi.org/10.1117/1.1926167

Abstract

We report an intracavity ring laser constructed using two parallel directional fiber couplers that generates up to sixth-order cascaded Stokes. Pumping with 1117 nm results in a Raman fiber laser operating at 1572 nm. Using 4.2-W pump power and a fiber Bragg grating at 1117 nm to reflect the residual pump, we obtain an output power of 0.65 W, and hence near 15% conversion efficiency. The linewidths of the dual-coupler laser are significantly narrower than those of the single-coupler laser. This enhanced wavelength selectivity is attributed to the significant increase in the contrast or the finesse of compound ring resonators constructed with two parallel couplers.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jafar G. Naeini and Kamran Ahmad "Raman fiber laser with two parallel couplers," Optical Engineering 44(6), 064203 (1 June 2005). https://doi.org/10.1117/1.1926167

Published: 1 June 2005

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