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Bloch bound states in the radiation continuum in a periodic array of dielectric rods

We consider an infinite periodic array of dielectric rods in vacuum with the aim to demonstrate three types of a Bloch bound states in the continuum (BSC), symmetry protected with a zero Bloch…
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Bound states in the continuum and polarization singularities in periodic arrays of dielectric rods

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Bound states in the continuum in photonic waveguides inspired by defects

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Topological Bound States in the Continuum in Arrays of Dielectric Spheres.

It is shown that under variation of parameters the bound states can only be destroyed by either annihilation of the topological charge or by migration to the sector of the parametric space where the second radiation channel is open.
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Light enhancement by quasi-bound states in the continuum in dielectric arrays.

It has been demonstrated numerically that high-Q structural resonant modes originated from bound states in the continuum enable near-field amplitude enhancement by factor of 10-25 in the red-to-near infrared range in lossy silicon.
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All-optical diode based on dipole modes of Kerr microcavity in asymmetric L-shaped photonic crystal waveguide.

Using coupled mode theory, an extremely high transmission contrast is demonstrated in an all-optical diode in L-shaped photonic crystal waveguide that uses the multistability of single nonlinear Kerr microcavity with two dipole modes.
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Bound states in the continuum in open Aharonov-Bohm rings

Using the formalism of the effective Hamiltonian, we consider bound states in a continuum (BIC). They are nonhermitian effective Hamiltonian eigenstates that have real eigenvalues. It is shown that…
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Optical bistability with bound states in the continuum in dielectric gratings

We consider light scattering by dielectric gratings supporting optical bound states in the continuum. Due to the presence of instantaneous Kerr nonlinearity critical field enhancement in the spectral…
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Crossover-time in quantum boson and spin systems

Method of Coherent States.- The Exact C-Number Equation for Time-Dependent Expectation Values in Coherent States.- Quasiclassical Perturbation Theory for Time-Dependent Expectation Values with…
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Propagating bound states in the continuum in dielectric gratings

We consider propagating bound states in the continuum in dielectric gratings. The gratings consist of a slab with ridges periodically arranged either on top or on both sides of the slab. Based on the…
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