Lasers, Fiber Optics, and Communications

Design of frequency-encoded data-based optical master-slave-JK flip-flop using polarization switch

[+] Author Affiliations
Sumana Mandal, Mrinal Kanti Mandal

National Institute of Technology, Department of Physics, Durgapur, West Bengal, India

Dhoumendra Mandal

Saldiha College, Department of Physics, Saldiha, Bankura, West Bengal, India

Sisir Kumar Garai

M.U.C. Women’s College, Department of Physics, Burdwan, West Bengal, India

Opt. Eng. 56(6), 066105 (Jun 14, 2017). doi:10.1117/1.OE.56.6.066105
History: Received February 26, 2017; Accepted May 22, 2017
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Abstract.  An optical data processing and communication system provides enormous potential bandwidth and a very high processing speed, and it can fulfill the demands of the present generation. For an optical computing system, several data processing units that work in the optical domain are essential. Memory elements are undoubtedly essential to storing any information. Optical flip-flops can store one bit of optical information. From these flip-flop registers, counters can be developed. Here, the authors proposed an optical master-slave (MS)-JK flip-flop with the help of two-input and three-input optical NAND gates. Optical NAND gates have been developed using semiconductor optical amplifiers (SOAs). The nonlinear polarization switching property of an SOA has been exploited here, and it acts as a polarization switch in the proposed scheme. A frequency encoding technique is adopted for representing data. A specific frequency of an optical signal represents a binary data bit. This technique of data representation is helpful because frequency is the fundamental property of a signal, and it remains unaltered during reflection, refraction, absorption, etc. throughout the data propagation. The simulated results enhance the admissibility of the scheme.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Sumana Mandal ; Dhoumendra Mandal ; Mrinal Kanti Mandal and Sisir Kumar Garai
"Design of frequency-encoded data-based optical master-slave-JK flip-flop using polarization switch", Opt. Eng. 56(6), 066105 (Jun 14, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.066105


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