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Proceedings Paper

Observation of optically pumped intersubband emission from quantum wells
Author(s): James W. Bales; K. Alexander McIntosh; T. C. L. Gerh Sollner; William T. Goodhue; Elliott R. Brown
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Paper Abstract

We report the first observation of optically pumped spontaneous emission from intersubband transitions by electrons in an n-type GaAs/A1GaAs coupled-quantum-well structure. Electrons were pumped from the first to fourth conduction subbands with a CW CO2 laser operating at a photon energy of 133 meV. The transition from the fourth to the third subbands occurred at an energy of 17 meV and had a full width at half-maximum of 3 meV.

Paper Details

Date Published: 1 October 1990
PDF: 8 pages
Proc. SPIE 1283, Quantum Well and Superlattice Physics III, (1 October 1990); doi: 10.1117/12.20731
Show Author Affiliations
James W. Bales, Lincoln Lab./MIT (United States)
K. Alexander McIntosh, Lincoln Lab./MIT (United States)
T. C. L. Gerh Sollner, Lincoln Lab./MIT (United States)
William T. Goodhue, Lincoln Lab./MIT (United States)
Elliott R. Brown, Lincoln Lab./MIT (United States)


Published in SPIE Proceedings Vol. 1283:
Quantum Well and Superlattice Physics III
Gottfried H. Doehler; Emil S. Koteles; Joel N. Schulman, Editor(s)

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