NDLI: Light confinement in low contrast slot waveguide structures investigated

Content Provider	IEEE Xplore Digital Library
Author	Iqbal, M. Zheng Zheng Jiansheng Liu
Copyright Year	2008
Description	Author affiliation: Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing (Iqbal, M.; Zheng Zheng; Jiansheng Liu)
Abstract	The advent of slot waveguide structure has led the field of nano-photonics into an era, where maximum light can be confined inside low index slot guarded by high index slabs. Already in use slot waveguides (contrast ratio is 2.42) have two distinct properties over the conventional waveguides, i.e. high E-field amplitude, optical power, optical intensity in low index materials and a strong E-field confinement is localized to nanometer-size low index regions. We hereby propose a low contrast double slot waveguide structure (contrast ratio is 1.65); where low index slots comprising of air surrounded with high index glass slabs. The whole structure is based on substrate comprising of glass whereas cladding is of air. Novelty lies in showing high E-field amplitude, optical power, optical intensity and a strong E-field confinement in low index slot regions. Low contrast double slot structure usage in forming passive nano-devices had been verified by simulating a Y-branch coupler.
Starting Page	878
Ending Page	881
File Size	479887
Page Count	4
File Format	PDF
ISBN	9781424418794
DOI	10.1109/ICMMT.2008.4540544
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Optical refraction Optical variables control Nanobioscience Biomedical optical imaging Slabs Silicon on insulator technology Optical waveguide theory Optical sensors Refractive index quasi-TE SOI (Silicon on Insulator) FDTD Slot Waveguides
Content Type	Text
Resource Type	Article

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