Quantum Transduction of Telecommunications-band Single Photons from a Quantum Dot by Frequency Upconversion
By M. Rakher, Lijun Ma, O. Slattery, Xiao Tang, Kartik Srinivasan. 2010
239 citations recorded by the source corpus.
Transducing non-classical states of light from one wavelength to another is required for integrating disparate quantum systems that take advantage of telecommunications-band photons for optical-fibre transmission of quantum information and near-visible, stationary systems for manipulation and storage. In addition, transducing a single-photon source at 1.3 mm to visible wavelengths would be integral to linear optical quantum computation because of near-infrared detection challenges. Recently, transduction at single-photon power levels has been accomplished through frequency upconversion, but it has yet to be demonstrated for a true single-photon source. Here, we transduce triggered single photons from a semiconductor quantum dot at 1.3 mm to 710 nm with 21% (75%) total detection (internal conversion) efficiency. We demonstrate that the upconverted signal maintains the quantum character of the original light, yielding a second-order intensity correlation, g (2) (t), that shows that the optical field is composed of single photons with g (2) (0) 5 0.165< 0.5.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/f776878a3be1cf07bb53e4d336dad20e5c1fba4d
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In Artificial Intelligence
In Atomic and Molecular Physics, and Optics
Citations in the corpus
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