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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 25, Iss. 12 — Dec. 1, 2008
  • pp: 2952–2959

Information exchange in free space using spectral switching of diffracted polychromatic light: possibilities and limitations

Bharat Kumar Yadav, Swati Raman, and Hem Chandra Kandpal  »View Author Affiliations


JOSA A, Vol. 25, Issue 12, pp. 2952-2959 (2008)
http://dx.doi.org/10.1364/JOSAA.25.002952


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Abstract

Spectral switching is now a well-known phenomenon. Several research groups have studied it theoretically and experimentally for different optical systems. Recently, its potential applications have been demonstrated for information encoding and transmission in free space. In this paper we report experimental observations in the far field for spectral switching of polychromatic light passing through an astigmatic aperture lens. An information encoding scheme, a free-space optical link, and related boundary conditions are studied in detail. In addition, on the basis of experimental and theoretical studies carried out so far for spectral switching, we explore possibilities of information transmission in free space and analyze experimental limitations of spectral-switching-based free-space optical communication.

© 2008 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(200.3050) Optics in computing : Information processing
(200.4650) Optics in computing : Optical interconnects
(200.2605) Optics in computing : Free-space optical communication
(260.6042) Physical optics : Singular optics

ToC Category:
Optics in Computing

History
Original Manuscript: August 14, 2008
Manuscript Accepted: September 17, 2008
Published: November 11, 2008

Citation
Bharat Kumar Yadav, Swati Raman, and Hem Chandra Kandpal, "Information exchange in free space using spectral switching of diffracted polychromatic light: possibilities and limitations," J. Opt. Soc. Am. A 25, 2952-2959 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-12-2952

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