{"id":{"repo_id":"edithcowan","oai_identifier":"oai:ro.ecu.edu.au:theses-1310"},"canonical_url":"https://search.dev.ndltd.org/etd/edithcowan/oai:ro.ecu.edu.au:theses-1310","repository":{"repo_id":"edithcowan","name":"Edith Cowan University","base_url":"https://ro.ecu.edu.au/do/oai/"},"display":{"title":"Design and analysis of high-speed optical correlators for multiwavelength optical header recognition and optical code division multiple access","abstract":"Optical correlators arc attractive elements for packet-switched optical networks because they enable the headers of high-speed optical packets to be processed and recognised \"on-the-fly\", thus, switching the packets to different destinations without the need for optical-to-electrical and electrical-to-optical conversions. In the first part of the thesis, three novel all-optical header recognition structures based on time-domain optical correlation arc proposed and experimentally demonstrated. The novel optical correlator structures for header recognition, are based on the use of Opto-VLSI processors, fibre Bragg gratings, and arrayed waveguide gratings, respectively, and are demonstrated at IOGb/s by generating auto-correlation functions of high peaks whenever the optical header bit pattern matches a predetermined pattern in the lookup table, while for other bit patterns, only low intensity (below a threshold level) cross-correlation functions are produced. As a result, these structures eliminate the bottleneck that exists in the conventional ortical packet switching networks, thus greatly enhancing the performance of such networks.","abstract_html":"Optical correlators arc attractive elements for packet-switched optical networks because they enable the headers of high-speed optical packets to be processed and recognised "on-the-fly", thus, switching the packets to different destinations without the need for optical-to-electrical and electrical-to-optical conversions. In the first part of the thesis, three novel all-optical header recognition structures based on time-domain optical correlation arc proposed and experimentally demonstrated. The novel optical correlator structures for header recognition, are based on the use of Opto-VLSI processors, fibre Bragg gratings, and arrayed waveguide gratings, respectively, and are demonstrated at IOGb/s by generating auto-correlation functions of high peaks whenever the optical header bit pattern matches a predetermined pattern in the lookup table, while for other bit patterns, only low intensity (below a threshold level) cross-correlation functions are produced. As a result, these structures eliminate the bottleneck that exists in the conventional ortical packet switching networks, thus greatly enhancing the performance of such networks.","abstract_has_math":false,"creators":["Aljada, Muhsen"],"institution":"Edith Cowan University, Research Online, Perth, Western Australia","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2007,"date_issued":"2007-01-01T08:00:00Z","date_published":"2007-01-01T08:00:00Z","updated_at":"2026-07-27T19:21:17Z","subjects":["Very high speed integrated circuits","Packet switching","Data transmission","Digital Communications and Networking"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://ro.ecu.edu.au/theses/310","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Aljada, Muhsen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2007-01-01T08:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["Edith Cowan University, Research Online, Perth, Western Australia"]},{"key":"dc:type","label":"Dc Type","values":["ecu_thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Very high speed integrated circuits","Packet switching","Data transmission","Digital Communications and Networking"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://ro.ecu.edu.au/theses/310","https://ro.ecu.edu.au/context/theses/article/1310/viewcontent/Design_20and_20analysis_20of_20high_speed_20optical_20correlators.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Optical correlators arc attractive elements for packet-switched optical networks because they enable the headers of high-speed optical packets to be processed and recognised \"on-the-fly\", thus, switching the packets to different destinations without the need for optical-to-electrical and electrical-to-optical conversions. In the first part of the thesis, three novel all-optical header recognition structures based on time-domain optical correlation arc proposed and experimentally demonstrated. The novel optical correlator structures for header recognition, are based on the use of Opto-VLSI processors, fibre Bragg gratings, and arrayed waveguide gratings, respectively, and are demonstrated at IOGb/s by generating auto-correlation functions of high peaks whenever the optical header bit pattern matches a predetermined pattern in the lookup table, while for other bit patterns, only low intensity (below a threshold level) cross-correlation functions are produced. As a result, these structures eliminate the bottleneck that exists in the conventional ortical packet switching networks, thus greatly enhancing the performance of such networks."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:source","label":"Dc Source","values":["Theses: Doctorates and Masters"]},{"key":"dc:title","label":"Title","values":["Design and analysis of high-speed optical correlators for multiwavelength optical header recognition and optical code division multiple access"]}]}],"canonical_facts":{"dc:creator":["Aljada, Muhsen"],"dc:date":["2007-01-01T08:00:00Z"],"dc:description":["Optical correlators arc attractive elements for packet-switched optical networks because they enable the headers of high-speed optical packets to be processed and recognised \"on-the-fly\", thus, switching the packets to different destinations without the need for optical-to-electrical and electrical-to-optical conversions. In the first part of the thesis, three novel all-optical header recognition structures based on time-domain optical correlation arc proposed and experimentally demonstrated. The novel optical correlator structures for header recognition, are based on the use of Opto-VLSI processors, fibre Bragg gratings, and arrayed waveguide gratings, respectively, and are demonstrated at IOGb/s by generating auto-correlation functions of high peaks whenever the optical header bit pattern matches a predetermined pattern in the lookup table, while for other bit patterns, only low intensity (below a threshold level) cross-correlation functions are produced. As a result, these structures eliminate the bottleneck that exists in the conventional ortical packet switching networks, thus greatly enhancing the performance of such networks."],"dc:format":["application/pdf"],"dc:identifier":["https://ro.ecu.edu.au/theses/310","https://ro.ecu.edu.au/context/theses/article/1310/viewcontent/Design_20and_20analysis_20of_20high_speed_20optical_20correlators.pdf"],"dc:publisher":["Edith Cowan University, Research Online, Perth, Western Australia"],"dc:source":["Theses: Doctorates and Masters"],"dc:subject":["Very high speed integrated circuits","Packet switching","Data transmission","Digital Communications and Networking"],"dc:title":["Design and analysis of high-speed optical correlators for multiwavelength optical header recognition and optical code division multiple access"],"dc:type":["ecu_thesis"]},"updated_at":"2026-07-27T19:21:17Z"}