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Photonic Quantum Computing

Simultaneous Wavelength Translation and Amplitude Modulation of Single Photons from a Quantum Dot

arXiv
Authors: Matthew T. Rakher, Lijun Ma, Marcelo Davanco, Oliver Slattery, Xiao Tang, Kartik Srinivasan

Year

2011

Paper ID

8796

Status

Preprint

Abstract Read

~2 min

Abstract Words

98

Citations

N/A

Abstract

Hybrid quantum information devices that combine disparate physical systems interacting through photons offer the promise of combining low-loss telecommunications wavelength transmission with high fidelity visible wavelength storage and manipulation. The realization of such systems requires control over the waveform of single photons to achieve spectral and temporal matching. Here, we experimentally demonstrate the simultaneous wavelength translation and amplitude modulation of single photons generated by a quantum dot emitting near 1300 nm with an exponentially-decaying waveform lifetime $approx$1.5 ns. Quasi-phase-matched sum-frequency generation with a pulsed 1550 nm laser creates single photons at 710 nm with a controlled amplitude modulation at 350 ps timescales.

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  • Hybrid quantum information devices that combine disparate physical systems interacting through photons offer the promise of combining low-loss telecommunications wavelength...

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