NDLI: Confinement Factors and Modal Volumes of Micro- and Nanocavities Invariant to Integration Regions

Content Provider	IEEE Xplore Digital Library
Author	Shu-Wei Chang
Copyright Year	1995
Abstract	We present a convenient and self-consistent approach to calculate confinement factors and modal volumes of micro- and nanocavities, which are important for ultrasmall lasers and cavity quantum electrodynamics. This scheme does not rely on the numerical integrations related to optical fields and can avoid the indefinite dependence of physical quantities on integration regions. As a result of this built-in invariance to integration regions, the field representation of the confinement factor, in additional to its conventional expression, contains counter terms of volume and surface integrals, which cancel the effect of arbitrary integration volumes. This procedure is useful for small open cavities or those without sharp boundaries that distinguish cavity regions from free spaces. The uncertainty from different choices of integration regions can be thus eliminated.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1771
Ending Page	1780
Page Count	10
File Size	4604310
File Format	PDF
ISSN	1077260X
Volume Number	18
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cavity resonators Q factor Permittivity Radiation detectors Approximation methods Tunneling magnetoresistance Photonics nanolaser Confinement factor microcavity microlaser modal volume nanocavity
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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