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2 publications

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    Implementation of All-Optical Logic Gate using SOA-MZI Structures

    By Santosh Kumar, Ajay Kumar, S. K. Raghuwanshi

    Abstract: AbstractSemiconductor optical amplifiers (SOAs) are very attractive nonlinear elements for the realization of different logic functions, since they can exhibit a strong change of the refractive index together with high gain. In this paper, a principle of operation, simulation step and experimental result of different all-optical logic gate (AND Gate, OR Gate, XOR Gate) are well presented. These gates are based on the nonlinearities on SOAs. The experimental results are …

    Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 3, 2013 · pp. 13–21 Read article

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    Analysis of Parabolically versus Exponentially Tapered Inbuilt Chip-to-Fiber Butt Coupler

    By Santosh Kumar, S. K. Raghuwanshi, Ajay Kumar

    Abstract: AbstractThe finite difference beam propagating method (BPM) is one of the most powerful technique to investigate linear and nonlinear lightwave propagation phenomena in axially varying waveguides such as curvilinear directional couplers, branching and combining waveguides, S-shaped bend waveguides, and different types of tapered waveguides. BPM is also quite important for the analysis of ultra short light pulse propagation in optical fibers. To date numerous algorithms for BPM have been proposed …

    Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 1, 2013 · pp. 11–15 Read article

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