Phonon-assisted gain in a semiconductor double quantum dot maser

M. J. Gullans, Y. Y. Liu, J. Stehlik, J. R. Petta, J. M. Taylor

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


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.

Original languageEnglish (US)
Article number196802
JournalPhysical review letters
Issue number19
StatePublished - May 13 2015

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


Dive into the research topics of 'Phonon-assisted gain in a semiconductor double quantum dot maser'. Together they form a unique fingerprint.

Cite this