Ion exchange for optical waveguides in ZnSe crystals: regularities and specific features

Vyacheslav A. Fedorov; V. A. Ganshin; Yuri N. Korkishko

doi:10.1117/12.145579

14 May 1993 Ion exchange for optical waveguides in ZnSe crystals: regularities and specific features

Vyacheslav A. Fedorov, V. A. Ganshin, Yuri N. Korkishko

Proceedings Volume 1932, Guided-Wave Optics; (1993) https://doi.org/10.1117/12.145579
Event: Guided Wave Optics, 1992, Moscow, Russian Federation

Abstract

A new method has been applied to form Cd_uZn₁-_uSe waveguides -- ion exchange in the melts of salts. The regularities and specific features of ion exchange processes Cd²⁺ yields Zn²⁺ in ZnSe powder and single crystal plates have been studied. Cd_uZn₁-_uSe solid solution obeys the model of regular solution. Temperature dependencies of equilibrium constant and interaction energy of strained and unstrained Cd_uZn₁-_uSe solid solutions have been defined. We proposed the model taking into account the role of lattice misfit-induced stresses and dislocations in the ion exchange equilibrium. The depth profiles of elements and the refractive-index profiles in the ion exchanged Cd:ZnSE waveguides were analyzed and temperature dependencies of the self-diffusion coefficients of Cd²⁺ and Zn²⁺ ions were determined.

Citation Download Citation

Vyacheslav A. Fedorov, V. A. Ganshin, and Yuri N. Korkishko "Ion exchange for optical waveguides in ZnSe crystals: regularities and specific features", Proc. SPIE 1932, Guided-Wave Optics, (14 May 1993); https://doi.org/10.1117/12.145579

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