Abstract
We analyse the diffraction behaviour of a parity-time (PT) symmetric transmission grating. This kind of grating consists of a periodic structure with balanced real and imaginary parts of the refractive index. The bimodal interferometric operation (Mach-Zehnder like) is modified by the introduction of balanced gain and loss, leading to efficient switching around an exceptional point.
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Rivolta, N.X.A., Maes, B. (2017). Modal Behaviour and Switching Properties of a Tailored Parity-Time (PT) Symmetric Grating. In: Di Bartolo, B., Collins, J., Silvestri, L. (eds) Nano-Optics: Principles Enabling Basic Research and Applications. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-94-024-0850-8_66
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DOI: https://doi.org/10.1007/978-94-024-0850-8_66
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