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Raman injection laser

Author

Listed:
  • Mariano Troccoli

    (Harvard University)

  • Alexey Belyanin

    (Texas A&M University)

  • Federico Capasso

    (Harvard University)

  • Ertugrul Cubukcu

    (Harvard University)

  • Deborah L. Sivco

    (Lucent Technologies)

  • Alfred Y. Cho

    (Lucent Technologies)

Abstract

Raman lasers: think electric The Raman effect, in which a material shifts the wavelength of an incident light beam by absorbing part of the photon's energy, has found widespread use as a powerful diagnostic tool in chemistry and materials science. Raman lasers that are currently available, used in applications such as spectroscopy and microscopy, have only a small gain (or signal amplification) and require external pumping with powerful optical lasers. A new electrically driven semiconductor laser described in this issue uses the Raman effect to shift the wavelength of an internally Raman effect to shift the wavelength of an internally generated optical beam. This low-power compact Raman laser functions through most of the infrared wavelengths, and holds promise for extending the tunability, available range and applications of semiconductor lasers.

Suggested Citation

  • Mariano Troccoli & Alexey Belyanin & Federico Capasso & Ertugrul Cubukcu & Deborah L. Sivco & Alfred Y. Cho, 2005. "Raman injection laser," Nature, Nature, vol. 433(7028), pages 845-848, February.
    • Handle: RePEc:nat:nature:v:433:y:2005:i:7028:d:10.1038_nature03330
    DOI: 10.1038/nature03330
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