All fiber nonreciprocal ring laser

Petr Vojtíšek; Pavel Honzátko

doi:10.1117/12.2009012

18 December 2012 All fiber nonreciprocal ring laser

Petr Vojtíšek, Pavel Honzátko

Proceedings Volume 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 86971K (2012) https://doi.org/10.1117/12.2009012
Event: 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2012, Ostravice, Czech Republic

Abstract

We present an experimental study of nonreciprocal ring laser, which can be operated without any isolator. While linear non-magneto-optical components manifest reciprocal behavior, reciprocity can be broken in nonlinear elements. Here we present the nonreciprocal ring laser with a fiber loop mirror. This turns the laser into a device with single output port only, so that no energy is wasted. Measurement of clock-wise and counter-clock-wise power in the ring cavity of laser indicates pronounced unidirectionality of the power inside the active fiber ring. Counter-clock-wise component was suppressed by 17.5 dB with respect to the clock-wise component. The configuration may be used at wavelengths and/or powers, where isolators are not easily available.

Citation Download Citation

Petr Vojtíšek and Pavel Honzátko "All fiber nonreciprocal ring laser", Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 86971K (18 December 2012); https://doi.org/10.1117/12.2009012

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