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25 May 2022 Quantum optics in room temperature quantum dot ensembles
Gadi Eisenstein
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Proceedings Volume PC12141, Semiconductor Lasers and Laser Dynamics X; PC1214101 (2022) https://doi.org/10.1117/12.2627163
Event: SPIE Photonics Europe, 2022, Strasbourg, France
Abstract
The use of ultrashort pulses allows to induce and observe quantum coherent effects in optical gain media where the coherence time is longer than the excitation pulses namely, room temperature quantum dot ensembles. We use InAs/InP quantum dot optical amplifiers as the experimental platform and have demonstrated effects such as coherently controlled Rabi Oscillations, Ramsey Fringes, Photon`Echoes, Prolongation of dephasing time via induced three pulse photon echoes. Recently we have advanced the field by demonstrating a hallmark experiment of quantum optics: Quantum Coherent collapse and revival which was never observed in a solid let alone at room temperature.
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Gadi Eisenstein "Quantum optics in room temperature quantum dot ensembles", Proc. SPIE PC12141, Semiconductor Lasers and Laser Dynamics X, PC1214101 (25 May 2022); https://doi.org/10.1117/12.2627163
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KEYWORDS
Quantum dots
Quantum optics
Coherence (optics)
Optical amplifiers
Solids
Ultrafast phenomena
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