5 October 1995 TE-TM polarization converters based on electro-optic poled polymer
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Abstract
Passive and active polarization converters have been designed and fabricated using electro- optic poled polymers. The devices utilize the controllability of the poling induced optic axis by using specially designed poling electrodes. In the passive TE-TM polarization mode converter, the optic axis of the poling induced waveguide is slowly rotated by using a slowly varying structure of poling electrodes. The polarization conversion is achieved as the guided mode propagates through the waveguide. Complete TE to TM mode conversion is observed and the polarization extinction ratio of the output light is higher than 30 dB. Because the device does not contain any periodic structure, it is wavelength insensitive and easy to fabricate. An active TE-TM mode converter utilizes a 45 degree off poling configuration, which can be obtained by arranging upper and lower stripe poling electrodes with proper lateral displacement. The poling electrodes themselvees can be used as driving electrode. The mode conversion properties and electro-optic effects are demonstrated by using a vector beam propagation method.
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Jang-Joo Kim, Jang-Joo Kim, Wol-Yon Hwang, Wol-Yon Hwang, Min-Cheol Oh, Min-Cheol Oh, Sang-Yung Shin, Sang-Yung Shin, } "TE-TM polarization converters based on electro-optic poled polymer", Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995); doi: 10.1117/12.222812; https://doi.org/10.1117/12.222812
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