Bisht, Nandan S. and Yadav, B. K. and Kanseri, Bhaskar and Kandpal, H. C. and Sharma, Enakshi K. (2008) Numerical calculation based study of spectral anomalies and their applications in modified Mach–Zehnder interferometer. Optik , 121 (6). pp. 581-587. ISSN 0030-4026

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The anomalous spectral behavior of polychromatic light in a modified Mach–Zehnder (MMZ) Interferometer is studied. In our numerical analysis, we found that, by varying the path difference between the interfering beams in the MMZ interferometer, one may find drastic spectral changes in the vicinity of dark rings of the interference field. In addition we extend the study to explore possibilities for information encoding and transmission in free-space using temporal coherence-induced spectral switching. By using unique features of the MMZ interferometer we propose two interesting prototype of optical devices for single channel and 1×2 channel (one input port and two output port) information transmission through spectral anomalies of interference pattern. The prototypes are based on contrived ideas and may find applications in developing spectral switching based optical devices.

Item Type: Article
Additional Information: Copyright for this article belongs to M/s Elsevier B.V.
Uncontrolled Keywords: Modified Mach–Zehnder interferometer; Temporal coherence; Spectral switching; Information encoding; Free-space optical communication;
Subjects: Optics
Depositing User: Ms Neetu Chandra
Date Deposited: 15 Jun 2012 07:54
Last Modified: 15 Jun 2012 07:54

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