Two-photon quantum state engineering in nonlinear photonic nanowires

被引：13
|
作者：
Kang, Dongpeng [1 ,2 ]
Pang, Arthur [1 ]
Zhao, Yuxiang [1 ]
Helmy, Amr S. [1 ,2 ]
机构：
[1] Univ Toronto, Edward S Rogers Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
[2] Univ Toronto, Inst Opt Sci, Toronto, ON M5S 3G4, Canada
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2014年 / 31卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
POLARIZATION-ENTANGLED PHOTONS; REFLECTION WAVE-GUIDES; LITHIUM-NIOBATE; 2ND-HARMONIC GENERATION; DOWN-CONVERSION; PAIRED PHOTONS; CRYSTAL FIBER; TWIN PHOTONS; MU-M; CHIP;
D O I：
10.1364/JOSAB.31.001581
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and analyze a generic technique to engineer the two-photon quantum state generated by spontaneous parametric downconversion (SPDC) in nonlinear photonic nanowires using any suitable material system. Through dispersion engineering in nanowires, the group velocity of each photon involved in the SPDC process can be tuned such that pure heralded single photons or maximally polarization entangled photons can be directly generated on a chip. Implementations in III-V semiconductor and ferroelectric waveguides demonstrate minimal frequency correlations with Schmidt numbers of similar to 1 for heralded single photons, and maximal entanglement with concurrences of similar to 1 for polarization entangled photons. (C) 2014 Optical Society of America
引用
收藏
页码：1581 / 1589
页数：9
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