NDLI: Briadbabd 3D Integrated Optics in Photonic Band Gap Materials

Content Provider	IEEE Xplore Digital Library
Author	John, S.
Copyright Year	2007
Description	Author affiliation: Toronto Univ., Toronto (John, S.)
Abstract	Summary form only given. Photonic band gap (PBG) materials are artificial, periodic, dielectrics that enable engineering of the most fundamental properties of electromagnetic waves. These include the laws of refraction, diffraction, and spontaneous emission of light. Unlike traditional semiconductors that rely on the propagation of electrons through an atomic lattice. PBG materials execute their novel functions through selective trapping or "localization of light". Three dimensional (3D) PBG materials offer a unique opportunity to simultaneously (i) synthesize micron-scale 3D optical circuits that do not suffer from diffractive losses and (ii) engineer the electromagnetic vacuum density of states in this 3D optical micro-chip. The 3D PBG enables broadband on-chip optical communication in fully three-dimensional optical micro-circuits. Unlike traditional wave-guides that confine light in a high refractive index core by total internal reflection, the circuit paths in a PBG material may consist of air. They guide light through wave interference effects, the hallmark of the localization phenomenon. In the case of the PBG optical circuit, there are three geometrical dimensions for device integration and an additional dimension of frequency bandwidth, whereby hundreds of optical wavelength channels of information can be conveyed in parallel through a single PBG wave-guide. I review recent approaches to micro-fabrication of photonic crystals with a large 3D PBG centered near 1.5 microns. These include direct laser-writing techniques, holographic lithography, silicon double inversion, and a newly invented optical phase mask lithography technique.
Starting Page	78
Ending Page	79
File Size	310779
Page Count	2
File Format	PDF
ISBN	1424409268
ISSN	10994742
DOI	10.1109/LEOSST.2007.4288340
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated optics Photonic band gap Optical materials Optical refraction Holographic optical components Holography Optical variables control Semiconductor materials Dielectric materials Circuits
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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