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Title: Controlling Directionality and Dimensionality of Radiation by Perturbing Separable Bound States in the Continuum

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep33394· OSTI ID:1388453
 [1];  [2];  [3];  [4];  [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Yale Univ., New Haven, CT (United States)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Technion, Haifa (Israel)
  4. Univ. of Zagreb, Zagreb (Croatia)

Here, a bound state in the continuum (BIC) is an unusual localized state that is embedded in a continuum of extended states. Here, we present the general condition for BICs to arise from wave equation separability. Then we show that by exploiting perturbations of certain symmetry such BICs can be turned into resonances that radiate with a tailorable directionality and dimensionality. Using this general framework, we construct new examples of separable BICs and resonances that can exist in optical potentials for ultracold atoms, photonic systems, and systems described by tight binding. Such resonances with easily reconfigurable radiation allow for applications such as the storage and release of waves at a controllable rate and direction, as well systems that switch between different dimensions of confinement.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001299; FG02-09ER46577
OSTI ID:
1388453
Journal Information:
Scientific Reports, Vol. 6, Issue 1; Related Information: S3TEC partners with Massachusetts Institute of Technology (lead); Boston College; Oak Ridge National Laboratory; Rensselaer Polytechnic Institute; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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Cited By (12)

Bound states in the continuum journal July 2016
Directional lasing in resonant semiconductor nanoantenna arrays journal August 2018
Nonlinear response from optical bound states in the continuum journal May 2019
Suppressing deleterious effects of spontaneous emission in creating bound states in cold atom continuum journal November 2019
Coherent-perfect-absorber and laser for bound states in a continuum journal January 2018
Compact localized states of open scattering media: a graph decomposition approach for an ab initio design journal January 2019
Angular control of anisotropy-induced bound states in the continuum journal January 2019
Shaping long-lived electron wavepackets for customizable optical spectra journal January 2019
Coherent-perfect-absorber and laser for bound states in a continuum text January 2017
Shaping Long-lived Electron Wavepackets for Customizable Optical Spectra preprint January 2017
Angular Control of Anisotropy-Induced Bound States in the Continuum text January 2019
Nonlinear response from optical bound states in the continuum preprint January 2019

Figures / Tables (3)