Propagation of Gaussian beams in GRIN media with hyperbolic secant profile

Carmen Bao; Carlos C. Gomez-Reino; Ramakant Srivastava

doi:10.1117/12.255538

22 October 1996 Propagation of Gaussian beams in GRIN media with hyperbolic secant profile

Carmen Bao, Carlos C. Gomez-Reino, Ramakant Srivastava

Proceedings Volume 2943, Gradient-Index Optics in Science and Engineering; (1996) https://doi.org/10.1117/12.255538
Event: Gradient-Index Optics in Science and Engineering, 1995, Kazimierz Dolny, Poland

Abstract

We study propagation of gaussian beam through an inhomogeneous planar optical waveguide whose refractive index profile is characterize by the hyperbolic secant function n²(x) equals n₀²sech²((alpha) x). It is shown that this profile can contract, expand or maintain the width of a beam incident with the beam waist at the input end of the waveguide. We also obtain an analytical expression for the mode width of the fundamental mode of the hyperbolic secant media.

Citation Download Citation

Carmen Bao, Carlos C. Gomez-Reino, and Ramakant Srivastava "Propagation of Gaussian beams in GRIN media with hyperbolic secant profile", Proc. SPIE 2943, Gradient-Index Optics in Science and Engineering, (22 October 1996); https://doi.org/10.1117/12.255538

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