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The performance of nonlinear optical devices is largely limited by the small nonlinear coefficient of traditional optical materials. In article number 1605978, Kim Fook Lee, Zhipei Sun, and co‐workers report a nanoscale nonlinear optical device for efficient generation of photon pairs. They design an optical device based on a 100‐nm‐thick carbon nanotube film, which is 1000 times thinner than the...
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...
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