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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 20, Iss. 9 — May. 1, 1995
  • pp: 1035–1037

Optical spectrum analyzer of a new design

Chen-Chia Wang and Frederic Davidson  »View Author Affiliations


Optics Letters, Vol. 20, Issue 9, pp. 1035-1037 (1995)
http://dx.doi.org/10.1364/OL.20.001035


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Abstract

The interference between two optical fields with nonzero spectral linewidths forms multiple moving space-charge fields inside photoconductive semiconductors that contain deep-level donors and traps. The dc components of the photocurrents generated can be expressed in terms of a convolution of a function that is characteristic of the crystal and the signal optical power spectrum when the other optical field (local oscillator) has a negligible linewidth. This permits the recovery of the optical signal power spectrum.

© 1995 Optical Society of America

History
Original Manuscript: January 23, 1994
Published: May 1, 1995

Citation
Chen-Chia Wang and Frederic Davidson, "Optical spectrum analyzer of a new design," Opt. Lett. 20, 1035-1037 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-9-1035


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References

  1. F. M. Davidson, C. C. Wang, C. T. Field, S. Trivedi, Opt. Lett. 19, 478 (1994). [CrossRef] [PubMed]
  2. F. M. Davidson, C. C. Wang, S. Trivedi, Opt. Lett. 19, 778 (1994).
  3. M. P. Petrov, I. A. Sokolov, S. I. Stepanov, G. S. Trofimov, J. Appl. Phys. 68, 2216 (1990). [CrossRef]
  4. A. Papoulis, Probability, Random Variables, and Stochastic Processes (McGraw-Hill, New York, 1965), Chap. 10, p. 344.

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