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Proceedings Paper

Phase Conjugate Ring Gyroscopes
Author(s): Pochi Yeh; John Tracy; Monte Khoshnevisan
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Paper Abstract

We consider a ring resonator filled with a nonlinear medium which is pumped by a pair of counter-propagating laser beams with the same frequency. As a result of optical four-wave mixing, transmission "gains" are available for the oppositely directed traveling waves sup-ported by the resonator. Thus, oscillation will result provided the coupling is strong enough to overcome the mirror loss. Since the two lasing modes are coherently coupled via four-wave mixing, they are mutually phase conjugated and are invulnerable to frequency pulling due to backscattering. Thus, such a gyro will have a reduced lock-in effect. We will present this new concept as well as the result of our analysis.

Paper Details

Date Published: 19 September 1983
PDF: 8 pages
Proc. SPIE 0412, Fiber Optic and Laser Sensors I, (19 September 1983); doi: 10.1117/12.935822
Show Author Affiliations
Pochi Yeh, Rockwell International Science Center (United States)
John Tracy, Rockwell International Science Center (United States)
Monte Khoshnevisan, Rockwell International Science Center (United States)


Published in SPIE Proceedings Vol. 0412:
Fiber Optic and Laser Sensors I
Emery L. Moore; O. Glenn Ramer, Editor(s)

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