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5 August 2015 Polarization diversity heterodyne receiver for high-sensitivity optical frequency modulated continuous wave system
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Abstract
We proposed a scheme of optical frequency modulated continuous wave (OFMCW) system based on the polarization diversity heterodyne receiver (PDHR) with a frequency swept distributed feedback (DFB) laser. The adoption of PDHR in OFMCW system successfully reduced the polarization-induced fading and improved the signal to noise ratio (SNR). High-sensitivity OFMCW system is achieved, which has spatial resolution of 1.5 mm for distance of 1.5 km.
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Weikang Wang, Yi Dong, Qian Zhou, Jie Qin, Hongxiao Shi, and Weisheng Hu "Polarization diversity heterodyne receiver for high-sensitivity optical frequency modulated continuous wave system", Proc. SPIE 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 961903 (5 August 2015); https://doi.org/10.1117/12.2193360
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