Linear polarization-state generator with high precision in periodically poled lithium niobate

Kun Liu; Jianhong Shi; Xianfeng Chen
March 2009
Applied Physics Letters;3/9/2009, Vol. 94 Issue 10, pN.PAG
Academic Journal
In this letter, we propose a simple configuration capable of rotating a linear polarization state of light by a certain angle with high precision for a series of wavelengths. This is achieved in a compact one-chip integration of periodically poled lithium niobate (PPLN) by modulating the external electric field. During the experiment, the rotation angle varies between 0° and 100° with high precision of 0.04° and by changing the temperature of the PPLN the operating wavelength shifts with -0.51 nm/°C. The new device may find many applications where high precision control of linear polarization-state light is requested.


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