Improved coupling efficiency using /spl Delta/n-controlled polymer waveguides with two-dimensional spot-size transformation

A new type of polymer waveguide for two-dimensional spot-size transformation is reported, with which coupling efficiency of waveguides with 4- and 8-μm core diameters was reduced by /spl ap/1.6 dB. The length needed for spot-size transformation was less than 1 mm along the direction of propagation....

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Veröffentlicht in:	IEEE photonics technology letters 2000-04, Vol.12 (4), p.404-406
Hauptverfasser:	Inaba, R., Kato, M., Akahoshi, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits Electron beams Electron optics Optical devices Optical losses Optical polymers Optical propagation Optical refraction Optical waveguides Polyimides
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creator	Inaba, R. Kato, M. Akahoshi, H.
description	A new type of polymer waveguide for two-dimensional spot-size transformation is reported, with which coupling efficiency of waveguides with 4- and 8-μm core diameters was reduced by /spl ap/1.6 dB. The length needed for spot-size transformation was less than 1 mm along the direction of propagation. In this polymer waveguide, refractive index difference between core and cladding (/spl Delta/n) is properly controlled along the direction of propagation while the core cross section is kept uniform.
doi_str_mv	10.1109/68.839033
format	Article
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In this polymer waveguide, refractive index difference between core and cladding (/spl Delta/n) is properly controlled along the direction of propagation while the core cross section is kept uniform.</description><subject>Circuits</subject><subject>Electron beams</subject><subject>Electron optics</subject><subject>Optical devices</subject><subject>Optical losses</subject><subject>Optical polymers</subject><subject>Optical propagation</subject><subject>Optical refraction</subject><subject>Optical waveguides</subject><subject>Polyimides</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kL1PwzAQxS0EEqUwsDJ5ZXB7xo6TjKh8VarE0j1ynEsxcuLITlsV_nlctWK6p3u_O-k9Qu45zDiHcq6KWSFKEOKCTHgpOQOey8ukIWnORXZNbmL8BuAyE3JCfpfdEPwOG2r8dnC231BsW2ss9uZAt_G4mMfB0Rd0o573zPh-DN65dDF4d-gw0L3e4WZrG4x0b8cvOu49a2yHfbS-147GwY8s2h-kY9B9bH3o9JisW3LVahfx7jynZP32ul58sNXn-3LxvGKmFII1Cmsh4EnVdc61ahsAELI0qEydGymzuuQaFGS5lG2hmhQYdVE3qIRWOqWcksfTWxN8jAHbagi20-FQcaiOpVWqqE6lJfbhxFpE_OfO5h9ypmp6</recordid><startdate>200004</startdate><enddate>200004</enddate><creator>Inaba, R.</creator><creator>Kato, M.</creator><creator>Akahoshi, H.</creator><general>IEEE</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200004</creationdate><title>Improved coupling efficiency using /spl Delta/n-controlled polymer waveguides with two-dimensional spot-size transformation</title><author>Inaba, R. ; Kato, M. ; Akahoshi, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c933-d6eb33026bb71a6fd000349ce6cb7c445b91a0605744f86d017ea8bde63a6a453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Circuits</topic><topic>Electron beams</topic><topic>Electron optics</topic><topic>Optical devices</topic><topic>Optical losses</topic><topic>Optical polymers</topic><topic>Optical propagation</topic><topic>Optical refraction</topic><topic>Optical waveguides</topic><topic>Polyimides</topic><toplevel>online_resources</toplevel><creatorcontrib>Inaba, R.</creatorcontrib><creatorcontrib>Kato, M.</creatorcontrib><creatorcontrib>Akahoshi, H.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE photonics technology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Inaba, R.</au><au>Kato, M.</au><au>Akahoshi, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improved coupling efficiency using /spl Delta/n-controlled polymer waveguides with two-dimensional spot-size transformation</atitle><jtitle>IEEE photonics technology letters</jtitle><stitle>LPT</stitle><date>2000-04</date><risdate>2000</risdate><volume>12</volume><issue>4</issue><spage>404</spage><epage>406</epage><pages>404-406</pages><issn>1041-1135</issn><eissn>1941-0174</eissn><coden>IPTLEL</coden><abstract>A new type of polymer waveguide for two-dimensional spot-size transformation is reported, with which coupling efficiency of waveguides with 4- and 8-μm core diameters was reduced by /spl ap/1.6 dB. 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subjects	Circuits Electron beams Electron optics Optical devices Optical losses Optical polymers Optical propagation Optical refraction Optical waveguides Polyimides
title	Improved coupling efficiency using /spl Delta/n-controlled polymer waveguides with two-dimensional spot-size transformation
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