Two-photon emission from a superlattice-based superconducting light-emitting structure

Shlomi Bouscher; Dmitry Panna; Ronen Jacovi; Fauzia Jabeen; Christian Schneider; Sven Höfling; Alex Hayat

doi:10.1038/s41377-024-01472-8

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Two-photon emission from a superlattice-based superconducting light-emitting structure

Original Articles

- Two-photon emission from a superlattice-based superconducting light-emitting structure
- Light: Science & Applications Vol. 13, Issue 7, Pages: 1331-1340(2024)
- Affiliations：
  
  1.Department of Electrical Engineering, Technion, Haifa 32000, Israel
  2.Technische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
  3.Institute of Physics, Carl von Ossietzky Universität Oldenburg, D-26111 Oldenburg, Germany
- Author bio：
  
  Alex Hayat (alex.hayat@ee.technion.ac.il)
- Funds：
- DOI：10.1038/s41377-024-01472-8
  CLC：
- Received：24 October 2023，
  
  Revised：24 April 2024，
  
  Accepted：2024-05-08，
  
  Published Online：07 June 2024，
  
  Published：31 July 2024
- Accepted：
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Bouscher, S. et al. Two-photon emission from a superlattice-based superconducting light-emitting structure. Light: Science & Applications, 13, 1331-1340 (2024).
DOI：

Bouscher, S. et al. Two-photon emission from a superlattice-based superconducting light-emitting structure. Light: Science & Applications, 13, 1331-1340 (2024). DOI： 10.1038/s41377-024-01472-8.

摘要

Abstract

Superconductor-semiconductor hybrid devices can bridge the gap between solid-state-based and photonics-based quantum systems

enabling new hybrid computing schemes

offering increased scalability and robustness. One example for a hybrid device is the superconducting light-emitting diode (SLED). SLEDs have been theoretically shown to emit polarization-entangled photon pairs by utilizing radiative recombination of Cooper pairs. However

the two-photon nature of the emission has not been shown experimentally before. We demonstrate two-photon emission in a GaAs/AlGaAs SLED. Measured electroluminescence spectra reveal unique two-photon superconducting features below the critical temperature (

)

while temperature-dependent photon-pair correlation experiments (

(2)

(

)) demonstrate temperature-dependent time coincidences below

between photons emitted from the SLED. Our results pave the way for compact and efficient superconducting quantum light sources and open new directions in light-matter interaction studies.

关键词

Keywords

references

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