NDLI: Design of waveguide-grating routers with minimal insertion-loss over all channels based on coupling between adjacent waveguides

Content Provider	IEEE Xplore Digital Library
Author	Manyong Park Song, G.H. Kyuhwan Hwang Lee, H.J. Chung, K.-B.
Copyright Year	2001
Description	Author affiliation: Kwangju Inst. of Sci. & Technol., Gwangju, South Korea (Manyong Park)
Abstract	Summary form only given. We utilize coupling between waveguides near the waveguide-opening region (WOR) where the arrayed-waveguides meet the free-propagation region of the second star-coupler. The coupling scheme used in the design of a waveguide-grating router (WGR) was proposed for the design of an integrated-optic star coupler for the purpose of transferring the input power uniformly to the waveguides of the output ports. Application of the same idea to the design of a WGR has not been completed because a few more parameters in addition to those for the design of a star coupler have not been considered to achieve the desired effect. In this work, we work out the problem based on the above idea for the specific designs of 16-, 32-, and 64-channel WGR's that have nearly ideal loss characteristics over all used channels within one complete span of the free spectral range.
Sponsorship	IEEE/Lasers & Electro-Opt. Soc.
Starting Page	127
Ending Page	128
File Size	256016
Page Count	2
File Format	PDF
ISBN	1557526621
DOI	10.1109/CLEO.2001.947586
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Optical Soc. Of America
Subject Keyword	Couplings Temperature dependence Temperature distribution Filters Diffraction Fiber gratings Resonance Optical fiber devices Polymers Coatings
Content Type	Text
Resource Type	Article

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