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Optics Letters

Optics Letters


  • Vol. 6, Iss. 11 — Nov. 1, 1981
  • pp: 572–574

Fiber gyroscope with nonreciprocally operated, fiber-coupled LiNbO3 phase shifter

C. H. Bulmer and R. P. Moeller  »View Author Affiliations

Optics Letters, Vol. 6, Issue 11, pp. 572-574 (1981)

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We describe a fiber gyroscope operating at maximum sensitivity that is due to a nonreciprocal π/2 phase bias effected with a pulsed voltage applied to an electro-optic LiNbO3 channel waveguide phase shifter. With a He–Ne laser source, the noise was equivalent to a 0.1°/sec rotation, for a 10-Hz bandwidth and 2% reflectivity at each fiber–LiNbO3 interface. The phase shifters showed polarization-independent behavior that was characterized by measurements in a fiber interferometer. They were flip-chip coupled with single-mode fibers that were cemented to the channel ends to give a stable module.

© 1981 Optical Society of America

Original Manuscript: June 15, 1981
Published: November 1, 1981

C. H. Bulmer and R. P. Moeller, "Fiber gyroscope with nonreciprocally operated, fiber-coupled LiNbO3 phase shifter," Opt. Lett. 6, 572-574 (1981)

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  1. H. Arditty, M. Papuchon, C. Puech, K. Thyagarajan, “Recent developments in guided wave optical rotation sensors,” in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1980).
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