• Chemistry
• Published 1997

Laser action by tuning the oscillator

@inproceedings{Capasso1997LaserAB,
  title={Laser action by tuning the oscillator},
  author={Federico Capasso and Carlo Sirtori and Deborah L. Sivco and Albert L. Hutchinson and Alfred Y. Cho},
  year={1997}
}

• Federico Capasso, Carlo Sirtori, +2 authors Alfred Y. Cho

A particularly rich area of recent research in semiconductor nanostructures 1 has been that of transitions between sub-bands in quantum wells 2,3 . These optical transitions connect electronic states within the same band (conduction or valence band) in semicon- ductor quantum wells, and were first investigated (in the 1960s) in the two-dimensional electron gas at the silicon/silicon dioxide interface 4 . These investigations were subsequently extended to heterojunction quantum wells, thus… CONTINUE READING

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