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Phonon-Assisted Gain in a Semiconductor Double Quantum Dot Maser

Author(s): Gullans, MJ; Liu, Y-Y; Stehlik, J; Petta, Jason R; Taylor, JM

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Abstract: We develop a microscopic model for the recently demonstrated double-quantum-dot maser. In characterizing the gain of this device we find that, in addition to the direct stimulated emission of photons, there is a large contribution from the simultaneous emission of a photon and a phonon, i.e., the phonon sideband. We show that this phonon-assisted gain typically dominates the overall gain, which leads to masing. Recent experimental data are well fit with our model.
Publication Date: 15-May-2015
Electronic Publication Date: 13-May-2015
Citation: Gullans, MJ, Liu, Y-Y, Stehlik, J, Petta, JR, Taylor, JM. (2015). Phonon-Assisted Gain in a Semiconductor Double Quantum Dot Maser. PHYSICAL REVIEW LETTERS, 114 (10.1103/PhysRevLett.114.196802
DOI: doi:10.1103/PhysRevLett.114.196802
ISSN: 0031-9007
EISSN: 1079-7114
Type of Material: Journal Article
Journal/Proceeding Title: PHYSICAL REVIEW LETTERS
Version: Author's manuscript

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