Photon-Pair Generation with a 100 nm Thick Carbon Nanotube Film

被引:27
作者
Lee, Kim Fook [1 ]
Tian, Ying [2 ,3 ]
Yang, He [4 ]
Mustonen, Kimmo [5 ]
Martinez, Amos [6 ]
Dai, Qing [7 ]
Kauppinen, Esko I. [5 ]
Malowicki, John [8 ]
Kumar, Prem [1 ]
Sun, Zhipei [4 ]
机构
[1] Northwestern Univ, EECS Dept, Evanston, IL 60208 USA
[2] Dalian Maritime Univ, Dept Phys, Dalian 116026, Liaoning, Peoples R China
[3] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland
[4] Aalto Univ, Dept Elect & Nanoengn, FI-00076 Aalto, Finland
[5] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland
[6] Aston Univ, Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, England
[7] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
[8] Air Force Res Lab, Rome, NY 13441 USA
基金
芬兰科学院; 中国国家自然科学基金;
关键词
carbon nanotubes; four-wave mixing; nonlinear optics; photon pairs; SILICON WAVE-GUIDES; DISPERSION-SHIFTED FIBER; 1.55; MU-M; RAMAN-SCATTERING; POLYMER COMPOSITES; CORRELATED PHOTONS; QUANTUM DOTS; GRAPHENE; LIGHT; OPTOELECTRONICS;
D O I
10.1002/adma.201605978
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nonlinear optics based on bulk materials is the current technique of choice for quantum-state generation and information processing. Scaling of nonlinear optical quantum devices is of significant interest to enable quantum devices with high performance. However, it is challenging to scale the nonlinear optical devices down to the nanoscale dimension due to relatively small nonlinear optical response of traditional bulk materials. Here, correlated photon pairs are generated in the nanometer scale using a nonlinear optical device for the first time. The approach uses spontaneous four-wave mixing in a carbon nanotube film with extremely large Kerr-nonlinearity (approximate to 100 000 times larger than that of the widely used silica), which is achieved through careful control of the tube diameter during the carbon nanotube growth. Photon pairs with a coincidence to accidental ratio of 18 at the telecom wavelength of 1.5 mu m are generated at room temperature in a approximate to 100 nm thick carbon nanotube film device, i.e., 1000 times thinner than the smallest existing devices. These results are promising for future integrated nonlinear quantum devices (e.g., quantum emission and processing devices).
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页数:9
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