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  • Letter
  • Open Access

Broadband amplitude squeezing at room temperature in electrically driven quantum dot lasers

Shiyuan Zhao*, Shihao Ding†, Heming Huang, Isabelle Zaquine, and Nicolas Fabre

Nadia Belabas

Frédéric Grillot

  • LTCI, Télécom Paris, Institut Polytechnique de Paris, 19 Place Marguerite Perey, 91120 Palaiseau, France

  • Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120 Palaiseau, France

  • LTCI, Télécom Paris, Institut Polytechnique de Paris, 19 Place Marguerite Perey, 91120 Palaiseau, France and Center for High Technology Materials, University of New Mexico, Albuquerque, New Mexico 87106, USA

  • *shiyuan.zhao@telecom-paris.fr
  • †shihao.ding@telecom-paris.fr
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Phys. Rev. Research 6, L032021 – Published 26 July, 2024

DOI: https://doi.org/10.1103/PhysRevResearch.6.L032021

Abstract

The generation of squeezed states of light lies at the heart of modern photonics-based quantum information technologies. Traditionally, optical nonlinear interactions have been employed to produce squeezed states. However, the harnessing of electrically pumped semiconductor lasers offers distinctive paradigms to achieve enhanced squeezing performance for real-world applications. We present the first evidence that quantum dot lasers enable the realization of broadband amplitude-squeezed states at room temperature across a wide frequency range, spanning from 3 GHz to 12 GHz. Our findings are corroborated by a stochastic simulation in agreement with the experimental data.

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Outline

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Phys. Rev. Research 6, L032021– Published 26 July, 2024
  • Received 13 September 2023
  • Revised 18 November 2023
  • Accepted 15 April 2024
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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