Single-photon generation through cavity-STIRAP in a neutral QD embedded in a micropillar cavity: an FDTD model study

Gaby M. Slavcheva, Mirella V. Koleva, Kai Müller, Robert A. Taylor

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We investigate cavity-assisted Stimulated Raman Adiabatic passage (STIRAP) schemes in semiconductor quantum dots (QDs) embedded in an optical cavity as a route for generation of high-quality single photons with programmable waveform. This work addresses the need for high-purity, indistinguishable photons in linear quantum computing, boson sampling, and quantum communications. We develop a time-dependent Maxwellpseudospin model of single-photon generation through cavity-assisted adiabatic passage in a Λ-system isolated in a neutral InAs QD in a realistic GaAs/AlGaAs micropillar cavity. As a model Λ-system, we consider QD biexciton triplet states coupled to dark-exciton states by a circularly polarised pulse and a cavity field. Our simulations demonstrate control of the emitted single-photon pulse waveform by the driving pulse characteristics: shape, duration, intensity and detuning.

Original languageEnglish
Title of host publicationPhotonics for Quantum 2022
EditorsDonald F. Figer
PublisherSPIE
ISBN (Electronic)9781510654754
DOIs
StatePublished - 2022
EventPhotonics for Quantum 2022 - Rochester, United States
Duration: 6 Jun 20229 Jun 2022

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12243
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhotonics for Quantum 2022
Country/TerritoryUnited States
CityRochester
Period6/06/229/06/22

Keywords

  • Finite-Difference Time-Domain method
  • Maxwellpseudospin equations
  • STIRAP
  • cavity-QED
  • micropillar cavities
  • semiconductor quantum dots
  • single photons

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