Passive coherent locking of fiber lasers using volume Bragg gratings

Apurva Jain; Oleksiy Andrusyak; George Venus; Vadim Smirnov; Leonid Glebov

doi:10.1117/12.845947

17 February 2010 Passive coherent locking of fiber lasers using volume Bragg gratings

Apurva Jain, Oleksiy Andrusyak, George Venus, Vadim Smirnov, Leonid Glebov

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 75801S (2010) https://doi.org/10.1117/12.845947
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We introduce a novel technique of coherently locking fiber lasers using volume Bragg gratings (VBGs) recorded in photo-thermo-refractive (PTR) glass as a passive multiplexer between channels. A two-channel coherently-locked Ybdoped fiber laser system with a narrow linewidth (~2.5 pm) and linear polarization (PER >20 dB) is demonstrated at a level of ~ 4 W (limited by pump). Scaling of this technique to coherently lock multiple (>2) fiber laser channels is discussed.

Citation Download Citation

Apurva Jain, Oleksiy Andrusyak, George Venus, Vadim Smirnov, and Leonid Glebov "Passive coherent locking of fiber lasers using volume Bragg gratings", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801S (17 February 2010); https://doi.org/10.1117/12.845947

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