Abstract
All optical cross-connect switch is very important in optical communication network. In this paper the author proposes a method of developing ‘4×4’ four wavelength cross-connect switch exploiting the nonlinear polarization rotation (NPR) property of the probe beam in semiconductor optical amplifier (SOA). Here all the operations of the cross-connect switches are controlled using control beams of proper frequencies. This scheme may be very simply extended as the multi-channel cross-connect switches. The switch has very high operating speed with good on-off contrast ratio and it will be very effective for wavelength division multiplexing (WDM) based telecommunication network.
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Acknowledgement
The author would like to thank Prof. Sourangshu Mukhopadhyay, Dept. of Physics, University of Burdwan, India, to whom the author is indebt in various aspects regarding his research works in the field of optical computing and communication.
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Garai, S.K. A new scheme of developing all-optical 4×4 cross-connect switch for WDM network. J Opt 42, 376–381 (2013). https://doi.org/10.1007/s12596-013-0130-4
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DOI: https://doi.org/10.1007/s12596-013-0130-4