Optical Waveguide Tunable Phase Delay Lines Based on the Superior Thermo-Optic Effect of Polymer
Strong thermo-optic effect of polymers is useful for fabricating tunable phase-delay devices with low power consumption and wide tuning range. However, if the temperature change is increased to extend the tuning range, an attenuation of the guided light is accompanied by the refractive index gradien...
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Veröffentlicht in: | Polymers 2018-05, Vol.10 (5), p.497 |
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creator | Kim, Sung-Moon Park, Tae-Hyun Huang, Guanghao Oh, Min-Cheol |
description | Strong thermo-optic effect of polymers is useful for fabricating tunable phase-delay devices with low power consumption and wide tuning range. However, if the temperature change is increased to extend the tuning range, an attenuation of the guided light is accompanied by the refractive index gradient across the waveguide core. For three different waveguide structures, in this study, the optimal structure of the device for a variable phase delay line was found by investigating the attenuation and interference phenomena accompanying phase modulation. By improving the uniformity of thermal distribution across the waveguide core, a phase delay of 130π rad was obtained with an output attenuation less than 0.5 dB. |
doi_str_mv | 10.3390/polym10050497 |
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By improving the uniformity of thermal distribution across the waveguide core, a phase delay of 130π rad was obtained with an output attenuation less than 0.5 dB.</description><subject>Attenuation</subject><subject>Delay</subject><subject>Delay lines</subject><subject>Optical waveguides</subject><subject>Phase modulation</subject><subject>Power consumption</subject><subject>Refractivity</subject><subject>Tuning</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkctLxDAQxoMoKurRqwS8eKkmO0m6vQi6PmFBwRWPMU2nbqVtatIK-9-b9YVrDpOQ-fHN4yNkn7NjgIyddK5eNJwxyUSWrpHtEUshEaDY-p_3FtkL4ZXFI6RSPN0kW8AypSTwbfJ81_WVNTV9Mu_4MlQF0tnQmrxGej83AekF1mZBp1WLgZ7Hj4K6lvZzpA9Dh75yns7m6BuXfArRy7JE21NX0vtlb-h3yUZp6oB73_cOeby6nE1ukund9e3kbJpYwWWfyDTlhbGgeG5VjFxKkRVpaVBJa2XO8wwhxhLAZKCMGhcpK5UQecF5MWawQ06_dLshb7Cw2Pbe1LrzVWP8QjtT6dVMW831i3vXKtYHpaLA0beAd28Dhl43VbBY16ZFNwQ9igvlcgwCInr4D311g2_jeHrEpIJxJqSIVPJFWe9C8Fj-NsOZXtqnV-yL_MHfCX7pH7PgAwQWllE</recordid><startdate>20180504</startdate><enddate>20180504</enddate><creator>Kim, Sung-Moon</creator><creator>Park, Tae-Hyun</creator><creator>Huang, Guanghao</creator><creator>Oh, Min-Cheol</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20180504</creationdate><title>Optical Waveguide Tunable Phase Delay Lines Based on the Superior Thermo-Optic Effect of Polymer</title><author>Kim, Sung-Moon ; 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However, if the temperature change is increased to extend the tuning range, an attenuation of the guided light is accompanied by the refractive index gradient across the waveguide core. For three different waveguide structures, in this study, the optimal structure of the device for a variable phase delay line was found by investigating the attenuation and interference phenomena accompanying phase modulation. By improving the uniformity of thermal distribution across the waveguide core, a phase delay of 130π rad was obtained with an output attenuation less than 0.5 dB.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>30966531</pmid><doi>10.3390/polym10050497</doi><oa>free_for_read</oa></addata></record> |
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subjects | Attenuation Delay Delay lines Optical waveguides Phase modulation Power consumption Refractivity Tuning |
title | Optical Waveguide Tunable Phase Delay Lines Based on the Superior Thermo-Optic Effect of Polymer |
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