公开(公告)号：US20200041866A1

公开(公告)日：2020-02-06

申请号：US16106599

申请日：2018-08-21

Applicant: OZ Optics Ltd.

Inventor： Li Qian ,  Changjia Chen ,  Arash Riazi ,  Eric Y. Zhu

IPC: G02F1/35 ,  G02F1/365

Abstract: There is provided a fiber-based broadband polarization-entangled photon source. The polarization entangled photon pair source module comprises an optical fiber, a pump to couple light into the fiber and one or more suppression filters following the fiber. The optical fiber preferably is a periodically poled silica fiber and the pump is preferably a laser diode pump. The present invention relates to a compensation-free, alignment-free, diode-pumped, broadband, polarization-entangled photon source that is based on a low-birefringence fiber. It has an extremely simple configuration capitalizing on the compensation-free and direct generation capability of a low-birefringence fiber. The source has broad bandwidth, high-quality and polarization-entanglement. The present invention is compact, robust, low-power, low-cost, alignment-free and room-temperature operable, featuring a simple turn-key, plug-and-play operation.