End-Output Coupling Efficiency Measurement of Silicon Wire Waveguides Based on Correlated Photon Pair Generation
LV Ning, ZHANG Wei** , GUO Yuan, ZHOU Qiang, HUANG Yi-Dong, PENG Jiang-De
State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084
Abstract ：A method to measure the end-output coupling efficiencies between silicon wire waveguides (SWWs) and optical fibers is proposed and demonstrated. The end-output coupling efficiency is calculated through four measured counting rates based on the correlated photon pair generation in the SWW. It provides a way to investigate and optimize the coupling processes at the input and output end of the optical waveguides separately.
收稿日期: 2013-01-10
出版日期: 2013-11-21
:
42.50.Ex
(Optical implementations of quantum information processing and transfer)
42.65.Wi
(Nonlinear waveguides)
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2013, Vol. 30 
