Polarization diversity heterodyne receiver for high-sensitivity optical frequency modulated continuous wave system

Weikang Wang; Yi Dong; Qian Zhou; Jie Qin; Hongxiao Shi; Weisheng Hu

doi:10.1117/12.2193360

5 August 2015 Polarization diversity heterodyne receiver for high-sensitivity optical frequency modulated continuous wave system

Weikang Wang, Yi Dong, Qian Zhou, Jie Qin, Hongxiao Shi, Weisheng Hu

Author Affiliations +

Proceedings Volume 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 961903 (2015) https://doi.org/10.1117/12.2193360
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

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.

Citation Download Citation

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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