Electrically-Pumped Wavelength-Tunable GaAs Quantum Dots Interfaced with Rubidium Atoms

ACS Photonics
Huiying HuangArmando Rastelli

Abstract

We demonstrate the first wavelength-tunable electrically pumped source of nonclassical light that can emit photons with wavelength in resonance with the D2 transitions of 87Rb atoms. The device is fabricated by integrating a novel GaAs single-quantum-dot light-emitting diode (LED) onto a piezoelectric actuator. By feeding the emitted photons into a 75 mm long cell containing warm 87Rb vapor, we observe slow-light with a temporal delay of up to 3.4 ns. In view of the possibility of using 87Rb atomic vapors as quantum memories, this work makes an important step toward the realization of hybrid-quantum systems for future quantum networks.

References

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May 3, 2014·Nature·Petr SiyushevIlja Gerhardt
Jan 28, 2016·Nature Communications·Rinaldo TrottaArmando Rastelli

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Citations

May 27, 2017·Nature Communications·Daniel HuberRinaldo Trotta
Dec 28, 2019·Optics Express·Christian SchimpfArmando Rastelli
May 16, 2019·Nature Materials·Massimo GurioliStefano Sanguinetti
Oct 20, 2018·Nano Letters·Lorenzo LeandroNika Akopian
Sep 6, 2019·Nano Letters·Oliver IffChristian Schneider

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Methods Mentioned

BETA
chip
light extraction

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