{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/81228"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/81228","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Distributed Bragg Pulse Shapers for Terahertz Modulation and Ultrafast Communications","abstract":"The operation of the DBPS is modeled using coupled-mode theory, and a simulation of the device is presented that accurately reproduces observed data. The simulation is used to model pulse shapers with ideal characteristics. The magnitude and speed of the electrically induced refractive index change, which is the mechanism responsible for switching in the DBPS, are discussed. Several problems and technical challenges with the current generation of experimental devices are presented, and solutions are proposed which may in the future make the DBPS and CDM system a viable alternative for ultrafast communications.","abstract_html":"The operation of the DBPS is modeled using coupled-mode theory, and a simulation of the device is presented that accurately reproduces observed data. The simulation is used to model pulse shapers with ideal characteristics. The magnitude and speed of the electrically induced refractive index change, which is the mechanism responsible for switching in the DBPS, are discussed. Several problems and technical challenges with the current generation of experimental devices are presented, and solutions are proposed which may in the future make the DBPS and CDM system a viable alternative for ultrafast communications.","abstract_has_math":false,"creators":["Purchase, Kenneth Graham"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":["Brady, David J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:10:08Z","date_published":"2015-09-25T20:10:08Z","updated_at":"2026-07-22T22:26:15Z","subjects":["Physics, Optics"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9834731"],"render_values":[{"text":"(MiAaPQ)AAI9834731","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/81228","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Brady, David J."]},{"key":"dc:creator","label":"Author","values":["Purchase, Kenneth Graham"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:10:08Z","10000-01-01","1998"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Optics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/81228","(MiAaPQ)AAI9834731"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The operation of the DBPS is modeled using coupled-mode theory, and a simulation of the device is presented that accurately reproduces observed data. 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