{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/115418"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/115418","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Impurity-induced disordering of vertical-cavity surface-emitting lasers: Applications to polarization control and high-speed modulation","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms","abstract_has_math":false,"creators":["Kraman, Mark D."],"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":["Dallesasse, John M"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-05","date_published":"2022-05","updated_at":"2026-07-22T22:24:54Z","subjects":["vertical-cavity surface-emitting laser","impurity-induced disordering","single-mode","high-speed modulation","polarization"],"languages":["en","eng"],"rights":["© 2022 Mark D. Kraman"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/115418","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Dallesasse, John M"]},{"key":"dc:creator","label":"Author","values":["Kraman, Mark D."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-05","2022-04-26"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"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":["vertical-cavity surface-emitting laser","impurity-induced disordering","single-mode","high-speed modulation","polarization"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["© 2022 Mark D. Kraman"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/115418"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms","The student, Mark Kraman, accepted the attached license on 2022-04-21 at 10:21.","The student, Mark Kraman, submitted this Thesis for approval on 2022-04-21 at 10:27.","This Thesis was approved for publication on 2022-04-26 at 12:41.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17875 on 2022-11-11 at 13:42:44","Impurity-induced disordering (IID) of vertical-cavity surface-emitting lasers (VCSELs) as a platform technology enables mode engineering through the precise introduction of mirror loss while simultaneously improving top distributed Bragg reflector (DBR) conductivity. Strain-engineering of the diffusion masks used in IID processing impacts characteristics of the aspect ratio of the disordering diffusant and enables high-power single-mode emission. The modulation response and applicability of this platform to the goal of polarization control in 850 nm gallium arsenide-based oxide-confined VCSELs are investigated. An analysis of the high-frequency damping factors of IID VCSELs given varying disordering depths is provided. The experimental design and fabrication process for polarization controlled VCSELs using elliptical strain-engineered disorder-defined apertures is discussed, and measured polarization characteristics are analyzed as a function of strained diffusion mask ellipticity. The orthogonal polarization suppression ratios (OPSRs) of VCSELs using circular disorder-defined apertures under strain-engineered diffusion mask variants are discussed."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Impurity-induced disordering of vertical-cavity surface-emitting lasers: Applications to polarization control and high-speed modulation"]}]}],"canonical_facts":{"dc:contributor":["Dallesasse, John M"],"dc:creator":["Kraman, Mark D."],"dc:date":["2022-05","2022-04-26"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms","The student, Mark Kraman, accepted the attached license on 2022-04-21 at 10:21.","The student, Mark Kraman, submitted this Thesis for approval on 2022-04-21 at 10:27.","This Thesis was approved for publication on 2022-04-26 at 12:41.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17875 on 2022-11-11 at 13:42:44","Impurity-induced disordering (IID) of vertical-cavity surface-emitting lasers (VCSELs) as a platform technology enables mode engineering through the precise introduction of mirror loss while simultaneously improving top distributed Bragg reflector (DBR) conductivity. Strain-engineering of the diffusion masks used in IID processing impacts characteristics of the aspect ratio of the disordering diffusant and enables high-power single-mode emission. The modulation response and applicability of this platform to the goal of polarization control in 850 nm gallium arsenide-based oxide-confined VCSELs are investigated. An analysis of the high-frequency damping factors of IID VCSELs given varying disordering depths is provided. The experimental design and fabrication process for polarization controlled VCSELs using elliptical strain-engineered disorder-defined apertures is discussed, and measured polarization characteristics are analyzed as a function of strained diffusion mask ellipticity. The orthogonal polarization suppression ratios (OPSRs) of VCSELs using circular disorder-defined apertures under strain-engineered diffusion mask variants are discussed."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/115418"],"dc:language":["en","eng"],"dc:rights":["© 2022 Mark D. Kraman"],"dc:subject":["vertical-cavity surface-emitting laser","impurity-induced disordering","single-mode","high-speed modulation","polarization"],"dc:title":["Impurity-induced disordering of vertical-cavity surface-emitting lasers: Applications to polarization control and high-speed modulation"],"dc:type":["text","Thesis"],"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":"2026-07-22T22:24:54Z"}