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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 17 — Sep. 1, 2014
  • pp: 5212–5215

Robust bound state in the continuum in a nonlinear microcavity embedded in a photonic crystal waveguide

E. N. Bulgakov and A. F. Sadreev  »View Author Affiliations


Optics Letters, Vol. 39, Issue 17, pp. 5212-5215 (2014)
http://dx.doi.org/10.1364/OL.39.005212


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Abstract

We present a two-dimensional photonic crystal design of four defect dielectric rods, which form a microcavity with eigenfrequencies residing in the propagating band of a directional waveguide. In this system, a nonrobust bound state in the continuum (BSC) occurs as a result of full destructive interference of the monopole and quadrupole modes, with the same parity at certain values of the material parameters of the defect rods. Due to the Kerr effect, a robust BSC arises in a self-adaptive way without necessity to tune the material parameters. The absence of the superposition principle in that nonlinear system gives rise to coupling of the BSC with injected light, resulting in a novel transmission resonance.

© 2014 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.5940) Nonlinear optics : Self-action effects
(230.5298) Optical devices : Photonic crystals

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 26, 2014
Manuscript Accepted: July 26, 2014
Published: August 29, 2014

Citation
E. N. Bulgakov and A. F. Sadreev, "Robust bound state in the continuum in a nonlinear microcavity embedded in a photonic crystal waveguide," Opt. Lett. 39, 5212-5215 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-17-5212

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