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3 results on '"Optical Micro-cavities"'

1. Linear Localization of Zero Modes in Weakly Coupled Non‐Hermitian Reservoirs

Author

Bingkun Qi and Li Ge

Subjects
linear localization, Non‐Hermitian photonics, optical micro‐cavities, optical waveguides, topological edge states, Physics, QC1-999
Abstract

Abstract Topological and symmetry‐protected non‐Hermitian zero modes have attracted considerable interest in the past few years. Here, it is revealed that they can exhibit an unusual behavior when transitioning between the extended and localized regimes: When weakly coupled to a non‐Hermitian reservoir, such a zero mode displays a linearly decreasing amplitude as a function of space, which is not caused by an EP of a Hamiltonian, either of the entire system or the reservoir itself. Instead, this phenomenon is due to the non‐Bloch solution of a linear homogeneous recurrence relation, together with the underlying non‐Hermitian particle‐hole symmetry and the zeroness of its energy.

Published
2023
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2. Analysis of a channel-drop filter based on dispersive waveguides and two resonant cavities.

Author

Pichugin, K. N. and Sadreev, A. F.

Subjects
*WAVEGUIDES, *PARTICLES (Nuclear physics), *DISPERSION relations, *MICROCAVITY lasers, *OPTICAL reflection
Abstract

By use of coupled-mode theory we analyze a channel add--drop filter based on two dispersive waveguides symmetrically coupled with two resonant optical cavities. We show new solutions for the channel-drop filter processes compared to the solutions found by Manolatou et al (1999 IEEE J. Quantum Electron. 35 1322). For a special choice of the dispersion of the waveguides, we reveal a frequency region with sufficient total reflection. [ABSTRACT FROM AUTHOR]

Published
2013
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3. All-analytical modelling of confined dielectric structures: active micro-cavities and micro-resonators

Author

Boucher, Yann, Dumeige, Yannick, Feron, Patrice, Chiasera, Alessandro, Ferrari, Maurizio, Nunzi Conti, Gualtiero, Righini, Giancarlo C., laboratoire de Recherche en Electronique Signal, Optronique, télécommunications ( RESO ), École Nationale d'Ingénieurs de Brest ( ENIB ) -Centre National de la Recherche Scientifique ( CNRS ), Fonctions Optiques pour les Technologies de l'informatiON ( FOTON ), Télécom Bretagne-École Nationale Supérieure des Sciences Appliquées et de Technologie ( ENSSAT ) -Université de Rennes 1 ( UR1 ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -Institut National des Sciences Appliquées ( INSA ) -Centre National de la Recherche Scientifique ( CNRS ), Istituto di Fotonica e Nanotecnologie ( IFN ), Consiglio Nazionale delle Ricerche [Roma] ( CNR ), Istituto di Fisica Applicata 'Nello Carrara' ( IFAC ), Department of Materials and Devices ( DMD ), EOS, laboratoire de Recherche en Electronique Signal, Optronique, télécommunications (RESO), École Nationale d'Ingénieurs de Brest (ENIB)-Centre National de la Recherche Scientifique (CNRS), Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), Istituto di Fotonica e Nanotecnologie (IFN), National Research Council of Italy | Consiglio Nazionale delle Ricerche (CNR), Istituto di Fisica Applicata 'Nello Carrara' (IFAC), Department of Materials and Devices (DMD), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, and Consiglio Nazionale delle Ricerche [Roma] (CNR)

Subjects
Generalized Transfer Function, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], [ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics], Extended Transfer Matrix Formalism, Photonic Crystals, Physics::Optics, Photonic Atoms, Optical Micro-cavities
Abstract

Topic: TOM 3 « Nanophotonics, Photonic Crystals and Metamaterials »; International audience; All-analytical tools such as extended (3´3) scattering parameters enable one to describe, in a simple way, most of the spectral and energetic properties of an active dielectric micro-resonator with internal sources, threshold-crossing included.

Published
2008

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