Laser intensity noise in a fiber optic gyroscope system due to signal feedback

Wei Jin; Brian Culshaw

doi:10.1117/12.135065

1 February 1992 Laser intensity noise in a fiber optic gyroscope system due to signal feedback

Wei Jin, Brian Culshaw

Proceedings Volume 1585, Fiber Optic Gyros: 15th Anniversary Conf; (1992) https://doi.org/10.1117/12.135065
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

A theoretical and experimental treatment is presented for the feedback-dependent intensity-noise characteristics of a laser diode used in a FOG. The feedback induces an additional, time-varying noise signal in the laser output which has the same waveform as the Sagnac signal, and is amplified by as much as 13 dB. The effect of this intensity noise in the output of a 2D frequency-division multiplexed gyro is to introduce two additional terms.

Citation Download Citation

Wei Jin and Brian Culshaw "Laser intensity noise in a fiber optic gyroscope system due to signal feedback", Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); https://doi.org/10.1117/12.135065

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