31 December 2013 A compact high ER pulse power laser for photon-counting optical time-domain reflectometer
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Abstract
We demonstrate a high-power pulse laser with extremely high pulse extinction ratio (ER). This laser module is designed for the experiment of 217 km long distance photon-counting optical time-domain reflectometry (ν-OTDR) using an upconversion single photon detector. The maximum peak power of laser pulse is over 24dBm with an extremely high pulse extinction ratio of more than 100dB.
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Chen Zhang, Xun Ding, Xiang Liu, Ge Jin, Xiao Jiang, "A compact high ER pulse power laser for photon-counting optical time-domain reflectometer", Proc. SPIE 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 904216 (31 December 2013); doi: 10.1117/12.2037330; https://doi.org/10.1117/12.2037330
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