Abstract

An analytic model of a Ti:LiNbO₃ channel waveguide has been developed to predict conveniently the coupling coefficient of directional couplers based on near-field intensity measurements. This model is compared to experimental results at wavelengths of 0.63 and 0.81 μm and indicates an accuracy of predicting coupling coefficients within a factor of 2 without prior knowledge of the fabrication parameters.

© 1985 Optical Society of America

Photorefractive effect in LiNbO₃ directional couplers

Craig T. Mueller and Elsa Garmire
Appl. Opt. 23(23) 4348-4351 (1984)

Design calculations for directional couplers fabricated by Ti-diffused LiNbO₃ waveguides

Juichi Noda, Masaharu Fukuma, and Osamu Mikami
Appl. Opt. 20(13) 2284-2290 (1981)

Coupling characteristics of a diffused channel-waveguide directional coupler

Uma Jain, Anurag Sharma, K. Thyagarajan, and A. K. Ghatak
J. Opt. Soc. Am. 72(11) 1545-1549 (1982)

Optical properties of titanium-diffused LiNbO₃ strip waveguides and their coupling-to-a-fiber characteristics

Masaharu Fukuma and Juichi Noda
Appl. Opt. 19(4) 591-597 (1980)

Polarization dependence in Ti-diffused LiNbO₃ directional couplers

Donghua Gu, Ohannes Eknoyan, and Henry F. Taylor
Appl. Opt. 41(1) 74-77 (2002)