{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/97449"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/97449","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Electrical parasitics and parameter extraction of photonic crystal vertical-cavity surface-emitting lasers","abstract":"Directly modulated vertical-cavity surface-emitting lasers (VCSELs) are the dominant digital light source in short-haul data communication links. To address the ever-increasing demand for improved performance, namely the power consumption, data rate, and device reliability, single mode proton-implanted photonic crystal vertical-cavity surface-emitting lasers have been designed and fabricated for high power and high speed operation. To characterize performance of these devices, we perform DC and small signal modulation analysis. Impedance characteristics and electrical parasitics are studied for various photonic crystal designs to understand factors which limit high speed modulation. Photonic crystal designs are found to have low differential resistance, but high parasitic capacitance. By including a diffusion capacitance term in the modulation response equation, scattering parameter fitting suggests the diffusion capacitance to be the limiting factor of intensity modulation. Extracted parameters from DC, impedance, and modulation response measurements are cross-checked to verify accuracy.","abstract_html":"Directly modulated vertical-cavity surface-emitting lasers (VCSELs) are the dominant digital light source in short-haul data communication links. To address the ever-increasing demand for improved performance, namely the power consumption, data rate, and device reliability, single mode proton-implanted photonic crystal vertical-cavity surface-emitting lasers have been designed and fabricated for high power and high speed operation. To characterize performance of these devices, we perform DC and small signal modulation analysis. Impedance characteristics and electrical parasitics are studied for various photonic crystal designs to understand factors which limit high speed modulation. Photonic crystal designs are found to have low differential resistance, but high parasitic capacitance. By including a diffusion capacitance term in the modulation response equation, scattering parameter fitting suggests the diffusion capacitance to be the limiting factor of intensity modulation. Extracted parameters from DC, impedance, and modulation response measurements are cross-checked to verify accuracy.","abstract_has_math":false,"creators":["Dave, Harshil"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Choquette, Kent D."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-08-10T19:15:58Z","date_published":"2017-08-10T19:15:58Z","updated_at":"2026-07-22T22:24:34Z","subjects":["Electrical parasitics","Photonic crystal","Vertical-cavity surface-emitting laser (VCSEL)","Small signal","High speed"],"languages":["en"],"rights":["Copyright 2017 Harshil Dave"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/97449","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Choquette, Kent D."]},{"key":"dc:creator","label":"Author","values":["Dave, Harshil"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2017-08-10T19:15:58Z","2017-04-25","2017-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["Electrical parasitics","Photonic crystal","Vertical-cavity surface-emitting laser (VCSEL)","Small signal","High speed"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2017 Harshil Dave"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/97449"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Directly modulated vertical-cavity surface-emitting lasers (VCSELs) are the dominant digital light source in short-haul data communication links. To address the ever-increasing demand for improved performance, namely the power consumption, data rate, and device reliability, single mode proton-implanted photonic crystal vertical-cavity surface-emitting lasers have been designed and fabricated for high power and high speed operation. To characterize performance of these devices, we perform DC and small signal modulation analysis. Impedance characteristics and electrical parasitics are studied for various photonic crystal designs to understand factors which limit high speed modulation. Photonic crystal designs are found to have low differential resistance, but high parasitic capacitance. By including a diffusion capacitance term in the modulation response equation, scattering parameter fitting suggests the diffusion capacitance to be the limiting factor of intensity modulation. Extracted parameters from DC, impedance, and modulation response measurements are cross-checked to verify accuracy.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2017-08-10 without embargo terms","The student, Harshil Dave, accepted the attached license on 2017-04-24 at 10:47.","The student, Harshil Dave, submitted this Thesis for approval on 2017-04-24 at 10:50.","This Thesis was approved for publication on 2017-04-25 at 11:17.","DSpace SAF Submission Ingestion Package generated from Vireo submission #11002 on 2017-08-10 at 13:45:35","Made available in DSpace on 2017-08-10T19:15:58Z (GMT). No. of bitstreams: 3 DAVE-THESIS-2017.pdf: 1849741 bytes, checksum: cfad53b2ab2fd5245a3f980fdfb50614 (MD5) Harshil MS thesis penultimate.docx: 4312566 bytes, checksum: 2cbcc34f5038eba1f803288c9149f926 (MD5) LICENSE.txt: 4209 bytes, checksum: de3211171fd780489df5cc2ac6862d9c (MD5) Previous issue date: 2017-04-25"]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Electrical parasitics and parameter extraction of photonic crystal vertical-cavity surface-emitting lasers"]}]}],"canonical_facts":{"dc:contributor":["Choquette, Kent D."],"dc:creator":["Dave, Harshil"],"dc:date":["2017-08-10T19:15:58Z","2017-04-25","2017-05"],"dc:description":["Directly modulated vertical-cavity surface-emitting lasers (VCSELs) are the dominant digital light source in short-haul data communication links. To address the ever-increasing demand for improved performance, namely the power consumption, data rate, and device reliability, single mode proton-implanted photonic crystal vertical-cavity surface-emitting lasers have been designed and fabricated for high power and high speed operation. To characterize performance of these devices, we perform DC and small signal modulation analysis. Impedance characteristics and electrical parasitics are studied for various photonic crystal designs to understand factors which limit high speed modulation. Photonic crystal designs are found to have low differential resistance, but high parasitic capacitance. By including a diffusion capacitance term in the modulation response equation, scattering parameter fitting suggests the diffusion capacitance to be the limiting factor of intensity modulation. Extracted parameters from DC, impedance, and modulation response measurements are cross-checked to verify accuracy.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2017-08-10 without embargo terms","The student, Harshil Dave, accepted the attached license on 2017-04-24 at 10:47.","The student, Harshil Dave, submitted this Thesis for approval on 2017-04-24 at 10:50.","This Thesis was approved for publication on 2017-04-25 at 11:17.","DSpace SAF Submission Ingestion Package generated from Vireo submission #11002 on 2017-08-10 at 13:45:35","Made available in DSpace on 2017-08-10T19:15:58Z (GMT). No. of bitstreams: 3 DAVE-THESIS-2017.pdf: 1849741 bytes, checksum: cfad53b2ab2fd5245a3f980fdfb50614 (MD5) Harshil MS thesis penultimate.docx: 4312566 bytes, checksum: 2cbcc34f5038eba1f803288c9149f926 (MD5) LICENSE.txt: 4209 bytes, checksum: de3211171fd780489df5cc2ac6862d9c (MD5) Previous issue date: 2017-04-25"],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/2142/97449"],"dc:language":["en"],"dc:rights":["Copyright 2017 Harshil Dave"],"dc:subject":["Electrical parasitics","Photonic crystal","Vertical-cavity surface-emitting laser (VCSEL)","Small signal","High speed"],"dc:title":["Electrical parasitics and parameter extraction of photonic crystal vertical-cavity surface-emitting lasers"],"dc:type":["text"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:34Z"}