Degenerate photon-pair generation in an ultracompact silicon photonic crystal waveguide

被引：14
作者：
He, Jiakun [1 ]
Clark, Alex S. [1 ]
Collins, Matthew J. [1 ]
Li, Juntao [2 ]
Krauss, Thomas F. [3 ]
Eggleton, Benjamin J. [1 ]
Xiong, Chunle [1 ]
机构：
[1] Univ Sydney, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Inst Photon & Opt Sci, Sch Phys, Sydney, NSW 2006, Australia
[2] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[3] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England
来源：
OPTICS LETTERS | 2014年 / 39卷 / 12期
基金：
澳大利亚研究理事会; 英国工程与自然科学研究理事会;
关键词：
SLOW-LIGHT; INTERFERENCE; FIBER; CHIP;
D O I：
10.1364/OL.39.003575
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate degenerate, correlated photon-pair generation via slow-light-enhanced spontaneous four-wave mixing in a 96 m long silicon photonic crystal waveguide. Our device represents a more than 50 times smaller footprint than silicon nanowires. We have achieved a coincidence-to-accidental ratio as high as 47 at a photon generation rate of 0.001 pairs per pulse and 14 at a photon generation rate of 0.023 pairs per pulse, which are both higher than the useful level of 10. This demonstration provides a path to generate indistinguishable photons in an ultra-compact platform for future quantum photonic technologies. (C) 2014 Optical Society of America
引用
收藏
页码：3575 / 3578
页数：4
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