Two faces of superradiance in tandem-cavity ridge waveguide heterostructures

Dmitri L. Boiko; Nicolas Torcheboeuf; Valentin Mitev; Laurent Balet; Nicolas Grandjean; Patrick Resneau; Michel Garcia; Bruno Gérard; Michel Krakowski

doi:10.1117/12.3002224

8 March 2024 Two faces of superradiance in tandem-cavity ridge waveguide heterostructures

Dmitri L. Boiko, Nicolas Torcheboeuf, Valentin Mitev, Laurent Balet, Nicolas Grandjean, Patrick Resneau, Michel Garcia, Bruno Gérard, Michel Krakowski

Author Affiliations +

Proceedings Volume 12895, Quantum Sensing and Nano Electronics and Photonics XX; 128950K (2024) https://doi.org/10.1117/12.3002224
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Cooperative emission due to spontaneous build-up and rapid decay of macroscopic polarization in a strongly inverted gain medium is drastically different from the lasing dynamics. The medium polarization and not the cavity field drives the emission from a device in semiclassical Maxwell-Bloch picture. Yet as pioneered by Dicke, the decay of the highest-energy state in a quantum ensemble of two-level systems proceeds through a ladder of the highest-symmetry partially deexcited states, each of which is formalistically an entangled state in mathematical sense. In this paper we summarize our experimental and theoretical studies on the two fundamental aspects of superradiance in multi-section tandem cavity laser heterostructures: (i) How can the superradiance be reached in semiconductor quantum wells albeit the ultrafast dephasing of individual microscopic e-h dipoles? (ii) Could the ensemble non-classicality be transferred to the emitted optical field and what could be the resulting photon state?

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Dmitri L. Boiko, Nicolas Torcheboeuf, Valentin Mitev, Laurent Balet, Nicolas Grandjean, Patrick Resneau, Michel Garcia, Bruno Gérard, and Michel Krakowski "Two faces of superradiance in tandem-cavity ridge waveguide heterostructures", Proc. SPIE 12895, Quantum Sensing and Nano Electronics and Photonics XX, 128950K (8 March 2024); https://doi.org/10.1117/12.3002224

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