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Temporal CW polarization-tomography of photon pairs from the biexciton radiative cascade: Theory and experiment

Noam Tur1, Ismail Nassar1, Ido Schwartz1, Joseph Avron1, Dan Dalacu2, Philip J. Poole2, and David Gershoni1,*

  • *Contact author: DG@physics.technion.ac.il
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Phys. Rev. B 111, 235304 – Published 23 June, 2025

DOI: https://doi.org/10.1103/4z82-v82w

Abstract

We study, experimentally and theoretically, temporal correlations between the polarization of photon pairs emitted during the biexciton-exciton radiative cascade from a single semiconductor quantum dot, optically excited by a continuous-wave light source. The system is modeled by a Lindbladian coupled to two Markovian baths: One bath represents the continuous light source, and a second represents the emitted radiation. Very good agreement is obtained between the theoretical model that we constructed and a set of 36 different time-resolved, polarization correlation measurements between cascading photon pairs.

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Outline

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Phys. Rev. B 111, 235304– Published 23 June, 2025
  • Received 9 March 2025
  • Revised 25 May 2025
  • Accepted 2 June 2025
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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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