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40 Gbit/s all-optical logic NOR gate based on nonlinear polarisation rotation in SOA and blue-shifted sideband filtering

40 Gbit/s all-optical logic NOR gate based on nonlinear polarisation rotation in SOA and blue-shifted sideband filtering

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An all-optical logic NOR gate is presented by exploiting nonlinear polarisation rotation in a semiconductor optical amplifier (SOA) and blue-shifted sideband filtering. The NOR gate is experimentally demonstrated and simulated at 40 Gbit/s. Experimental results show high extinction ratio (ER) of about 12.2 dB with very clear and open eye. Simulation shows the scheme can provide excellent performance. The logic gate has a simple configuration and allows photonic integration.

Inspec keywords: optical filters; nonlinear optics; band-pass filters; optical logic; semiconductor optical amplifiers; optical rotation; spectral line shift

Other keywords: 40 Gbit/s; semiconductor optical amplifier; nonlinear polarisation rotation; all-optical logic gate; photonic integration; NOR gate; blue-shifted sideband filtering

Subjects: Optical coatings and filters; Optical computers, logic elements, and interconnects; Nonlinear optics; Lasing action in semiconductors; Spectral and other filters; Nonlinear optics and devices; Optical logic devices and optical computing techniques; Design of specific laser systems; Semiconductor lasers

References

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      • H.J.S. Doren . Nonlinear polarization rotation in semiconductor optical amplifiers: theory and application to all-optical flip-flop memories. IEEE J. Quantum Electron. , 1 , 141 - 148
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      • K.R. Chowdhury , S. Mukhopadhyay . Binary optical arithmetic operation scheme with tree architecture by proper accommodation of optical nonlinear materials. Opt. Eng. , 1 , 132 - 136
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      • N.S. Patel , K.L. Hall , K.A. Rauschenbach . 40 Gbit/s cascadable all-optical logic with an ultrafast nonlinear interferometer. Opt. Lett. , 18 , 1466 - 1468
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