NDLI: Design and analysis of all-optical half-adder, half-subtractor and 4-bit decoder based on SOA-MZI configuration

Content Provider	Springer Nature Link
Author	Singh, Pallavi Singh, Ashutosh Kumar Arun, Vanya Dixit, H. K.
Copyright Year	2016
Abstract	In the paper, all-optical Boolean circuits implemented with a semiconductor optical amplifier based Mach–Zehnder interferometer, are simulated and analyzed at 10 Gb/s to extract a simple design rule. Authors propose the novel designs of half-adder, half-subtractor and 4-bit decoder for various results and also discussed the results at different bit rates. In the designs, one data acts as a pump generated through clock wave laser and another acts as a probe from mode lock laser. The designs consist of non-linearity in semiconductor optical amplifier using the cross gain modulation technique. Cross gain modulation refers to data on pump signal modulating the carrier density in semiconductor optical amplifier. At the same time, the gain variation indentation inverts the probe signal after passing through amplifier. Interferometer structure is used to convert the phase modulation into intensity modulation. The paper aims to achieve the goal through simulation and Boolean analysis in terms of gates, to provide simple design rule. Obtained results are very useful in the design of other more complex all-optical circuits that employ the given gates as the basic building block. The extinction ratio is the optimization criteria for all the three circuits at different values of pump power and bit rate of input pulse.
Starting Page	1
Ending Page	14
Page Count	14
File Format	PDF
ISSN	03068919
Journal	Optical and Quantum Electronics
Volume Number	48
Issue Number	2
e-ISSN	1572817X
Language	English
Publisher	Springer US
Publisher Date	2016-02-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Semiconductor optical amplifier based Mach–Zehnder Interferometer (SOA-MZI) Cross Gain Modulation (XGM) Cross Phase Modulation (XPM) Four Wave Mixing (FWM) Optics, Optoelectronics, Plasmonics and Optical Devices Electrical Engineering Characterization and Evaluation of Materials Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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