Optically pumped intersub-band emission in quantum wells

F. H. Julien*, A. Sa'ar, J. Wang, J. P. Leburton

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

65 Scopus citations


Mid-infrared intersub-band emission is investigated in asymmetric coupled quantum wells. The authors predict that stimulated emission can occur between excited sub-bands under either intersub-band or band-to-band optical pumping when the energy separation between the ground and first excited sub-bands equals the LO phonon energy.

Original languageAmerican English
Pages (from-to)838-839
Number of pages2
JournalElectronics Letters
Issue number10
StatePublished - 11 May 1995


  • Band structure
  • Semiconductor quantum wells
  • Stimulated emission


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