Jpn. J. Appl. Phys. 10 (1971) pp. 998-1001  |Next Article|  |Table of Contents|
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Linear Electrooptic Properties of ZnTe at 10.6 Microns

Kunio Tada and Masaharu Aoki

(Received February 12, 1971)

The low-frequency linear electrooptic coefficient r₄₁^T in semi-insulating ZnTe is measured at 10.6 µm at room temperature. The measured value is (3.9±0.2)×10^-12m/V, which is only slightly smaller than that in the visible region. This result seems consistent with a lattice theory on the dispersion of r₄₁^T in crystals of a zincblende structure [D.P. Akitt et al; IEEE J. Quantum Electronics QE-6 (1970) 496]. The induced birefringence in ZnTe at 10.6 µm is about 30 percent larger than that in GaAs, and about 35 percent smaller than that in CdTe. The figure of merit for the material F₁ (that is inversely proportional to the electric power necessary for a lumped modulator) at 10.6 µm is found to be twice as large in ZnTe as in GaAs, which is the material most widely used for the electrooptic light modulation at 10.6 µm.

URL: http://jjap.jsap.jp/link?JJAP/10/998/
DOI: 10.1143/JJAP.10.998

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