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Proceedings Paper

All fiber nonreciprocal ring laser
Author(s): Petr Vojtíšek; Pavel Honzátko
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Paper 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.

Paper Details

Date Published: 18 December 2012
PDF: 6 pages
Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 86971K (18 December 2012); doi: 10.1117/12.2009012
Show Author Affiliations
Petr Vojtíšek, Institute of Photonics and Electronics (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Pavel Honzátko, Institute of Photonics and Electronics (Czech Republic)


Published in SPIE Proceedings Vol. 8697:
18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jan Peřina; Libor Nozka; Miroslav Hrabovský; Dagmar Senderáková; Waclaw Urbańczyk; Ondrej Haderka; Libor Nožka, Editor(s)

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