15 November 2017 Super-resolving polarization rotation angle measurement using parity detection at shot noise limit
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Proceedings Volume 10605, LIDAR Imaging Detection and Target Recognition 2017; 1060502 (2017) https://doi.org/10.1117/12.2286037
Event: LIDAR Imaging Detection and Target Recognition 2017, 2017, Changchun, China
Abstract
The polarization of the light is an excellent information carrier, but polarization information of coherent state in the quantum measurement of the past has not been clearly expressed. We refer to some ideas of quantum computation and quantum information, considering the polarization mode of the electromagnetic field to describe polarization information of a coherent state. And on this basis we put forward a polarization rotation angle measurement device based on a Mach-Zehnder interferometer and two polarizers. We also consider the intensity detection, parity detection and Z detection as detection strategies. The results show that this device can realize the super-resolution and shot noise limit with parity detection and Z detection. By simulation analysis, we finally find parity detection is the best method for our scheme, and we also discuss the effects of some parameters on sensitivity and resolution with parity detection.
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Jiandong Zhang, Zijing Zhang, Longzhu Cen, Shuo Li, Feng Wang, Yuan Zhao, "Super-resolving polarization rotation angle measurement using parity detection at shot noise limit", Proc. SPIE 10605, LIDAR Imaging Detection and Target Recognition 2017, 1060502 (15 November 2017); doi: 10.1117/12.2286037; https://doi.org/10.1117/12.2286037
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