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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 2 — Jan. 10, 2004
  • pp: 496–505

Numerical studies on time-domain responses of on-off-keyed modulated optical signals through a dense fog

Urachada Ketprom, Yasuo Kuga, Sermsak Jaruwatanadilok, and Akira Ishimaru  »View Author Affiliations


Applied Optics, Vol. 43, Issue 2, pp. 496-505 (2004)
http://dx.doi.org/10.1364/AO.43.000496


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Abstract

We present a numerical technique to simulate the propagation characteristics of an on-off-keyed modulated optical signal through fog. The on-off-keyed modulated light (a square wave) is decomposed into a finite number of harmonic components, and a numerical solution for the vector radiative transfer equation is obtained for each harmonic that corresponds to the modulation frequency. With this method we study the distortion and the pulse spread in the received signal due to attenuation and scattering. We investigate the propagation characteristic of the modulated signal with different communication system parameters. This information can be used to study communication channel reliability.

© 2004 Optical Society of America

OCIS Codes
(030.5620) Coherence and statistical optics : Radiative transfer
(060.4510) Fiber optics and optical communications : Optical communications
(290.1310) Scattering : Atmospheric scattering

History
Original Manuscript: April 14, 2003
Revised Manuscript: August 29, 2003
Published: January 10, 2004

Citation
Urachada Ketprom, Yasuo Kuga, Sermsak Jaruwatanadilok, and Akira Ishimaru, "Numerical studies on time-domain responses of on-off-keyed modulated optical signals through a dense fog," Appl. Opt. 43, 496-505 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-2-496


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References

  1. A. Ishimaru, S. Jaruwatanadilok, Y. Kuga, “Polarized pulse waves in random discrete scatterers,” Appl. Opt. 40, 5495–5502 (2001). [CrossRef]
  2. A. Ishimaru, Wave Propagation and Scattering in Random Media (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1997).
  3. C. Davis, I. Smolyaninov, “The effect of atmospheric turbulence on bit-error rate in an on-off-keyed optical wireless system,” in Free-Space Laser Communication and Laser Imaging, D. G. Voelz, J. C. Ricklin, eds., Proc. SPIE4489, 129–131 (2002). [CrossRef]
  4. H. C. van de Hulst, Multiple Light Scattering, (Academic, New York, 1980), Vols. 1 and 2.
  5. R. L. Cheung, A. Ishimaru, “Transmission, backscattering, and depolarization of waves in randomly distributed spherical particles,” Appl. Opt. 21, 3792–3798 (1982). [CrossRef] [PubMed]
  6. S. Jaruwatanadilok, A. Ishimaru, Y. Kuga, “Photon density wave for imaging through random media,” Waves Random Media 12, 351–364 (2002). [CrossRef]
  7. L. W. Couch, Modern Communication Systems (Prentice-Hall, Englewood Cliffs, N.J., 1995).

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