High quality entanglement on a chip-based frequency comb

被引：69
|
作者：
Mazeas, F. [1 ]
Traetta, M. [1 ,2 ]
Bentivegna, M. [1 ,3 ]
Kaiser, F. [1 ]
Aktas, D. [1 ]
Zhang, W. [4 ]
Ramos, C. A. [4 ]
Ngah, L. A. [1 ]
Lunghi, T. [1 ]
Picholle, E. [1 ]
Belabas-Plougonven, N. [5 ]
Le Roux, X. [4 ]
Cassan, E. [4 ]
Marris-Morini, D. [4 ]
Vivien, L. [4 ]
Sauder, G. [1 ]
Labonte, L. [1 ]
Tanzilli, S. [1 ]
机构：
[1] Univ Cote Azur, CNRS, Lab Phys Mat, Cannes, France
[2] Univ Bologna, Dipartimento Elettron Informat & Sistemist, I-40136 Bologna, Italy
[3] Univ Roma La Sapienza, Dipartimento Fis, Ist Nazl Fis Mat, I-00185 Rome, Italy
[4] Univ Paris Saclay, Univ Paris Sud, Ctr Nanosci & Nanotechnol, CNRS,Marcoussis C2N, F-91460 Marcoussis, France
[5] Univ Paris Saclay, Univ Paris Sud, Ctr Nanosci & Nanotechnol, CNRS,Orsay C2N, F-91405 Orsay, France
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 25期
关键词：
PHOTON PAIR GENERATION; MICRO-RING RESONATOR; SILICON-CHIP; QUANTUM CRYPTOGRAPHY; TIME;
D O I：
10.1364/OE.24.028731
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report an efficient energy-time entangled photon-pair source based on four-wave mixing in a CMOS-compatible silicon photonics ring resonator. Thanks to suitable optimization, the source shows a large spectral brightness of 400 pairs of entangled photons /s/MHz for 500 mu W pump power, compatible with standard telecom dense wavelength division multiplexers. We demonstrate high-purity energy-time entanglement, i.e., free of photonic noise, with near perfect raw visibilities (> 98%) between various channel pairs in the telecom C-band. Such a compact source stands as a path towards more complex quantum photonic circuits dedicated to quantum communication systems. (C) 2016 Optical Society of America
引用
收藏
页码：28731 / 28738
页数：8
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