{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/29233"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/29233","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Applications of optical parametric downconversion : I. Self-phase locking, [and] II. Generation of entangled photon pairs in periodically-poled lithium niobate","abstract":"Nonlinear optics plays a key role in many applications not only as a means of frequency synthesis and control, but also as a source of twin photons and other nonclassical states of light. Advances in nonlinear materials, including engineered nonlinear interactions through the use of quasi-phase matching, have increased the flexibility and performance of many nonlinear optical devices. One of the devices presented in this thesis is a 2:1 frequency divider based on self-phase locking in a type-II phase matched optical parametric oscillator. This device is investigated both theoretically and experimentally. Results are also presented on fabrication of periodically-poled nonlinear crystals for quasi-phase matching in lithium niobate and barium magnesium fluoride. Finally, a high-efficiency frequency-nondegenerate twin photon source is implemented in periodically-poled lithium niobate.","abstract_html":"Nonlinear optics plays a key role in many applications not only as a means of frequency synthesis and control, but also as a source of twin photons and other nonclassical states of light. Advances in nonlinear materials, including engineered nonlinear interactions through the use of quasi-phase matching, have increased the flexibility and performance of many nonlinear optical devices. One of the devices presented in this thesis is a 2:1 frequency divider based on self-phase locking in a type-II phase matched optical parametric oscillator. This device is investigated both theoretically and experimentally. Results are also presented on fabrication of periodically-poled nonlinear crystals for quasi-phase matching in lithium niobate and barium magnesium fluoride. Finally, a high-efficiency frequency-nondegenerate twin photon source is implemented in periodically-poled lithium niobate.","abstract_has_math":false,"creators":["Mason, Elliott J. (Elliot James), 1972-"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.","school":null,"contributors":[],"advisors":["Franco N.C. Wong."],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002","date_published":"2002","updated_at":"2026-07-22T22:21:47Z","subjects":["Electrical Engineering and Computer Science."],"languages":["eng"],"rights":["M.I.T. theses are protected by copyright. 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Advances in nonlinear materials, including engineered nonlinear interactions through the use of quasi-phase matching, have increased the flexibility and performance of many nonlinear optical devices. One of the devices presented in this thesis is a 2:1 frequency divider based on self-phase locking in a type-II phase matched optical parametric oscillator. This device is investigated both theoretically and experimentally. Results are also presented on fabrication of periodically-poled nonlinear crystals for quasi-phase matching in lithium niobate and barium magnesium fluoride. Finally, a high-efficiency frequency-nondegenerate twin photon source is implemented in periodically-poled lithium niobate."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph.D."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Applications of optical parametric downconversion : I. Self-phase locking, [and] II. Generation of entangled photon pairs in periodically-poled lithium niobate"]}]}],"canonical_facts":{"dc:contributor.advisor":["Franco N.C. Wong."],"dc:contributor.department":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:contributor.other":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:creator":["Mason, Elliott J. (Elliot James), 1972-"],"dc:date.accessioned":["2005-10-14T19:20:44Z"],"dc:date.available":["2005-10-14T19:20:44Z"],"dc:date.issued":["2002"],"dc:description":["Thesis (Ph. 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