{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/8944"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/8944","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Dicke enhanced energy transfer via off resonant coupling y Christopher Black.","abstract":"This thesis examines the dynamics of energy exchange in a model for second-order (indirect) coupling through off-resonant states. Specifically, the model hosts a second-order transfer of energy between two collections of two level systems via an off-resonant oscillator. No first-order transfer of energy is possible because the systems are optically isolated. The entire system is placed into a low-frequency simple-harmonic-oscillator (SHO) which indirectly couples the two collections of systems. Therefore, if the SHO is removed there is no energy exchange. The frequencies of the oscillator and two-level systems are different (offresonant); therefore, the rates of exchange are expected to be quite low. This novel approach achieves measurable coupling through coherent enhancement analogous to Dicke's (1954) super-radiance. This thesis examines the period and rate of energy-transfer between the isolated systems, and attempts to extract patterns that analytically depend upon the number of atoms in each cavity, the coupling strength, the photon level, and the off-resonant ratio parameter. The characterization that follows uses dimensionless quantities and therefore is applicable to many different applications of the model.","abstract_html":"This thesis examines the dynamics of energy exchange in a model for second-order (indirect) coupling through off-resonant states. Specifically, the model hosts a second-order transfer of energy between two collections of two level systems via an off-resonant oscillator. No first-order transfer of energy is possible because the systems are optically isolated. The entire system is placed into a low-frequency simple-harmonic-oscillator (SHO) which indirectly couples the two collections of systems. Therefore, if the SHO is removed there is no energy exchange. The frequencies of the oscillator and two-level systems are different (offresonant); therefore, the rates of exchange are expected to be quite low. This novel approach achieves measurable coupling through coherent enhancement analogous to Dicke's (1954) super-radiance. This thesis examines the period and rate of energy-transfer between the isolated systems, and attempts to extract patterns that analytically depend upon the number of atoms in each cavity, the coupling strength, the photon level, and the off-resonant ratio parameter. The characterization that follows uses dimensionless quantities and therefore is applicable to many different applications of the model.","abstract_has_math":false,"creators":["Black, Christopher (Christopher Mark), 1976-"],"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":["Peter Hagelstein."],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001","date_published":"2001","updated_at":"2026-07-22T22:22:30Z","subjects":["Electrical Engineering and Computer Science."],"languages":["eng"],"rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/8944","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Peter Hagelstein."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."]},{"key":"dc:contributor.other","label":"Dc Contributor Other","values":["Massachusetts Institute of Technology. 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Specifically, the model hosts a second-order transfer of energy between two collections of two level systems via an off-resonant oscillator. No first-order transfer of energy is possible because the systems are optically isolated. The entire system is placed into a low-frequency simple-harmonic-oscillator (SHO) which indirectly couples the two collections of systems. Therefore, if the SHO is removed there is no energy exchange. The frequencies of the oscillator and two-level systems are different (offresonant); therefore, the rates of exchange are expected to be quite low. This novel approach achieves measurable coupling through coherent enhancement analogous to Dicke's (1954) super-radiance. This thesis examines the period and rate of energy-transfer between the isolated systems, and attempts to extract patterns that analytically depend upon the number of atoms in each cavity, the coupling strength, the photon level, and the off-resonant ratio parameter. 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Therefore, if the SHO is removed there is no energy exchange. The frequencies of the oscillator and two-level systems are different (offresonant); therefore, the rates of exchange are expected to be quite low. This novel approach achieves measurable coupling through coherent enhancement analogous to Dicke's (1954) super-radiance. This thesis examines the period and rate of energy-transfer between the isolated systems, and attempts to extract patterns that analytically depend upon the number of atoms in each cavity, the coupling strength, the photon level, and the off-resonant ratio parameter. 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