Chinese Optics Letters, 2012, 10 (s2): S21901, Published Online: Dec. 6, 2012
Athermal design for Solc-type f ilter based on PPKTP 
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190.4360 Nonlinear optics, devices 230.2090 Electro-optical devices 250.4390 Nonlinear optics, integrated optics
Abstract
An athermal design for Solc-type filter based on periodically poled KTP (PPKTP) is proposed. The athermal static phase retardation (ASPR) direction in KTP along which the quasi-phase-matched (QPM) condition is insensitive to the temperature is found. The optimal design for Solc-type filter along ASPR direction is obtained. The coupling theory of QPM linear electro-optic effect is employed to study the polarization coupling in PPKTP. The study results demonstrate that the central passing wavelength of Solc-type filter keep unchanged with an almost 100% output when the temperature varies from 268 to 328 K.
Guoliang Zheng, Shixiang Xu, Zhengbiao Ouyang. Athermal design for Solc-type f ilter based on PPKTP[J]. Chinese Optics Letters, 2012, 10(s2): S21901.
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