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@inproceedings{Jones:2021:1/012015,
author = {Jones, H and Kulishov, M},
doi = {1/012015},
title = {Solitons in a PT-symmetric grating-assisted co-directional coupler},
url = {http://dx.doi.org/10.1088/1742-6596/2038/1/012015},
year = {2021}
}

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TY  - CPAPER
AB  - We explore a co-directional coupling arrangement between two waveguides mediated by a PT-symmetric sinusoidal grating characterized by an index-modulation parameter κ and a gain/loss parameter g. We show that the device supports soliton-like solutions for both the PT-conserving regime g < κ and the PT-broken regime g > κ. In the first case the coupler exhibits a gap in wave-number k, and the solitons can be regarded as an extension of a previous solution found for pure index modulation. In the second case the coupler exhibits a gap in frequency ω and the solutions are entirely new.
AU  - Jones,H
AU  - Kulishov,M
DO  - 1/012015
PY  - 2021///
SN  - 1742-6588
TI  - Solitons in a PT-symmetric grating-assisted co-directional coupler
UR  - http://dx.doi.org/10.1088/1742-6596/2038/1/012015
ER  -

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Dr H F Jones

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