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Optics Letters

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  • Vol. 23, Iss. 6 — Mar. 15, 1998
  • pp: 463–465

Dual-wavelength emission from optically cascaded intersubband transitions

Carlo Sirtori, Alessandro Tredicucci, Federico Capasso, Jérôme Faist, Deborah L. Sivco, Albert L. Hutchinson, and Alfred Y. Cho  »View Author Affiliations


Optics Letters, Vol. 23, Issue 6, pp. 463-465 (1998)
http://dx.doi.org/10.1364/OL.23.000463


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Abstract

Dual-wavelength intersubband emission at 8 and 10 µm is reported in a three-level quantum-well system in which one electronic state is at the same time the lower level of the first optical transition and the upper level of the second. Results are presented for two different AlInAs/GaInAs quantum cascade structures featuring single-well active regions with two vertical transitions or double-well active regions with one diagonal and one vertical transition. Laser action has been achieved between the excited states of the single-well device and on the diagonal transition of the double-well structure. In the latter case the wavelength can be electric-field tuned by means of the Stark effect also above threshold.

© 1998 Optical Society of america

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.3670) Optical devices : Light-emitting diodes
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(260.3800) Physical optics : Luminescence

Citation
Carlo Sirtori, Alessandro Tredicucci, Federico Capasso, Jérôme Faist, Deborah L. Sivco, Albert L. Hutchinson, and Alfred Y. Cho, "Dual-wavelength emission from optically cascaded intersubband transitions," Opt. Lett. 23, 463-465 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-6-463


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References

  1. J. Faist, F. Capasso, D. L. Sivco, C. Sirtori, and A. L. Hutchinson, and A. Y. Cho, Science 264, 553 (1994).
  2. F. Capasso, J. Faist, C. Sirtori, and A. Y. Cho, Solid State Commun. 102, 231 (1997), and references therein.
  3. C. Gmachl, J. Faist, J. N. Baillargeon, F. Capasso, C. Sirtori, D. L. Sivco, S. N. G. Chu, A. Y. Cho, IEEE Photon. Technol. Lett. 9, 294 (1997).
  4. M. Sigrist, ed., Air Monitoring by Spectroscopic Techniques (Wiley, New York, 1994).
  5. Y. Zhu, Opt. Commun. 107, 499 (1994).
  6. C. Sirtori, F. Capasso, J. Faist, and S. Scandolo, Phys. Rev. B 50, 8663 (1994).
  7. J. Faist, F. Capasso, C. Sirtori, D. L. Sivco, A. L. Hutchinson, and A. Y. Cho, Appl. Phys. Lett. 66, 538 (1995).
  8. C. Sirtori, F. Capasso, J. Faist, D. L. Sivco, A. L. Hutchinson, and A. Y. Cho, Appl. Phys. Lett. 66, 4 (1995).
  9. C. Sirtori, J. Faist, F. Capasso, D. L. Sivco, A. L. Hutchinson, and A. Y. Cho, IEEE J. Quantum Electron. 33, 89 (1997).

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