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- W4300787108 abstract "Parity-time-symmetric ($mathcal{PT}$-symmetric) optical waveguide couplers offer a great potential for future applications in integrated optics. Studies of nonlinear $mathcal{PT}$-symmetric couplers present new possibilities for ultracompact configurable all-optical signal processing. Here, we predict nonlinearly triggered transition from a full to a broken $mathcal{PT}$-symmetric regime in finite-size systems described by smooth permittivity profiles and, in particular, in a conventional discrete waveguide directional coupler configuration with a rectangular permittivity profile. These results suggest a practical route for experimental realization of such systems." @default.
- W4300787108 created "2022-10-04" @default.
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- W4300787108 date "2015-09-11" @default.
- W4300787108 modified "2023-10-18" @default.
- W4300787108 title "Nonlinear parity-time-symmetric transition in finite-size optical couplers" @default.
- W4300787108 doi "https://doi.org/10.48550/arxiv.1509.03492" @default.
- W4300787108 hasPublicationYear "2015" @default.
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