Far-infrared spontaneous emission from quantum dot and quantum well structures accompanying near-infrared lasing

Spontaneous radiation from laser structures with quantum dots connected with hole and electron interlevel transitions was found and investigated. The radiation is observed only under simultaneous stimulated interband emission and has a similar current threshold.

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Bibliographic Details
Main Authors: Vorobjev, L.E., Firsov, D.A., Shalygin, V.A., Tulupenko, V.N., Shernyakov, Yu.M., Egorov, A.Yu, Zhukov, A.E., Kovsh, A.R., Kop'ev, P.S., Kochnev, I.V., Ledentsov, N.N., Maximov, M.V., Ustinov, V.M., Alferov, Zh.I.
Format: Conference Proceeding
Language:English
Subjects:
Charge carrier processes
Finite impulse response filter
Laser transitions
Quantum cascade lasers
Quantum dot lasers
Quantum dots
Quantum well lasers
Semiconductor lasers
Spontaneous emission
US Department of Transportation
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Description
Summary:Spontaneous radiation from laser structures with quantum dots connected with hole and electron interlevel transitions was found and investigated. The radiation is observed only under simultaneous stimulated interband emission and has a similar current threshold.
ISSN:0899-9406
1947-6981
DOI:10.1109/ISLC.1998.734198