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

doi:10.1117/12.2635200

19 July 2022 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

Author Affiliations +

Proceedings Volume 12243, Photonics for Quantum 2022; 122430E (2022) https://doi.org/10.1117/12.2635200
Event: Photonics for Quantum, 2022, Rochester, NY, United States

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 Maxwell-pseudospin 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.

Conference Presentation

Citation Download Citation

Gaby M. Slavcheva, Mirella V. Koleva, Kai Müller, and Robert A. Taylor "Single-photon generation through cavity-STIRAP in a neutral QD embedded in a micropillar cavity: an FDTD model study", Proc. SPIE 12243, Photonics for Quantum 2022, 122430E (19 July 2022); https://doi.org/10.1117/12.2635200

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