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Appl Opt. 2009 Mar 10;48(8):1606-9.

Power splitters with different output power levels based on directional coupling.

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  • 1Department of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran.


The properties of a wideband photonic crystal power splitter with different output power levels based on directional coupling are investigated numerically with the finite-difference time-domain method. The effects of changing the coupling length and radius of the coupling rods between parallel waveguides on output transmissions are investigated. By further splitting power in each branch a power splitter with four output branches is proposed.

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