Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.237803
B. Sheehy, G. Carr, L. DiMauro, A. Doyuran, W. Graves, R. Heese, E. D. Johnson, S. Krinsky, H. Loos, J. Murphy, G. Rakowsky, J. Rose, A. Suits, T. Shaftan, Y. Shen, J. Skaritka, X. Wang, M. G. White, Z. Wu, L. Yu, Yu Zhao
High-gain harmonic generation has been demonstrated at the shortest wavelength to date (266 nm). Megawatt levels of 89 nm radiation are also produced. Experimental applications of the deep ultraviolet light and FEL issues are discussed.
{"title":"A deep ultraviolet ultrafast source driven by high gain harmonic generation in a free electron laser","authors":"B. Sheehy, G. Carr, L. DiMauro, A. Doyuran, W. Graves, R. Heese, E. D. Johnson, S. Krinsky, H. Loos, J. Murphy, G. Rakowsky, J. Rose, A. Suits, T. Shaftan, Y. Shen, J. Skaritka, X. Wang, M. G. White, Z. Wu, L. Yu, Yu Zhao","doi":"10.1109/QELS.2003.237803","DOIUrl":"https://doi.org/10.1109/QELS.2003.237803","url":null,"abstract":"High-gain harmonic generation has been demonstrated at the shortest wavelength to date (266 nm). Megawatt levels of 89 nm radiation are also produced. Experimental applications of the deep ultraviolet light and FEL issues are discussed.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"1 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85219873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238217
I. Waldmuller, J. Forstner, A. Knorr, M. Woerner, K. Reimann, R. Kaindl, R. Hey, K. Ploog
The linewidth of intersubband transitions resulting from simultaneous action of many-body contributions and radiative damping is analyzed. The processes are non-additive and a self-consistent treatment is necessary to explain recent experiments.
{"title":"Correlated influence of carrier-carrier/carrier-phonon interaction and radiative damping on semiconductor intersubband transitions","authors":"I. Waldmuller, J. Forstner, A. Knorr, M. Woerner, K. Reimann, R. Kaindl, R. Hey, K. Ploog","doi":"10.1109/QELS.2003.238217","DOIUrl":"https://doi.org/10.1109/QELS.2003.238217","url":null,"abstract":"The linewidth of intersubband transitions resulting from simultaneous action of many-body contributions and radiative damping is analyzed. The processes are non-additive and a self-consistent treatment is necessary to explain recent experiments.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"11 1","pages":"3 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82089657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238225
R. Osgood, N. Panoiu
An analysis of the influence of the metal frequency dispersion on the properties of metamaterials with negative refractive index is presented. Starting from the transmission-reflection coefficients, the effective permittivity, permeability and refractive index is determined.
{"title":"Influence of metal frequency dispersion on the properties meta-materials with negative refractive index","authors":"R. Osgood, N. Panoiu","doi":"10.1109/QELS.2003.238225","DOIUrl":"https://doi.org/10.1109/QELS.2003.238225","url":null,"abstract":"An analysis of the influence of the metal frequency dispersion on the properties of metamaterials with negative refractive index is presented. Starting from the transmission-reflection coefficients, the effective permittivity, permeability and refractive index is determined.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"532 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79640716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238400
M. Gurudev Dutt, Jun Cheng, Bo Li, Wencan He, D. Steel, A. Bracker, D. Gammon, L. Sham
We report on the coherent optical manipulation of electron spins in the ground state of charged quantum dots. The measured spin coherence time is limited by the distribution of g-factors, but exceeds one nanosecond.
{"title":"Coherent optical manipulation of quantum dot electron spins","authors":"M. Gurudev Dutt, Jun Cheng, Bo Li, Wencan He, D. Steel, A. Bracker, D. Gammon, L. Sham","doi":"10.1109/QELS.2003.238400","DOIUrl":"https://doi.org/10.1109/QELS.2003.238400","url":null,"abstract":"We report on the coherent optical manipulation of electron spins in the ground state of charged quantum dots. The measured spin coherence time is limited by the distribution of g-factors, but exceeds one nanosecond.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"1 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84128060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238393
E. Gibson, A. Paul, D. Gaudiosi, E. Gagnon, M. Murnane, H. Kapteyn, I. Christov
We demonstrate that high-harmonic generation can be phase-matched in the "water window" region of the spectrum using periodically-modulated hollow fibers. We also observe emission from ions.
{"title":"Generation of coherent \"water window\" soft x-rays using quasi-phase-matching","authors":"E. Gibson, A. Paul, D. Gaudiosi, E. Gagnon, M. Murnane, H. Kapteyn, I. Christov","doi":"10.1109/QELS.2003.238393","DOIUrl":"https://doi.org/10.1109/QELS.2003.238393","url":null,"abstract":"We demonstrate that high-harmonic generation can be phase-matched in the \"water window\" region of the spectrum using periodically-modulated hollow fibers. We also observe emission from ions.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"2 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83828747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238053
A. Takamizawa, H. Ito, S. Yamada, M. Ohtsu
We observed the output of Rb atoms from a near-field optical funnel. A beam flux of 10/sup 5/ atoms/cm/sup 2/ is obtained by performing Sisyphus cooling under blue detuning of +1 GHz.
{"title":"Cold-atom funnel using near-field light","authors":"A. Takamizawa, H. Ito, S. Yamada, M. Ohtsu","doi":"10.1109/QELS.2003.238053","DOIUrl":"https://doi.org/10.1109/QELS.2003.238053","url":null,"abstract":"We observed the output of Rb atoms from a near-field optical funnel. A beam flux of 10/sup 5/ atoms/cm/sup 2/ is obtained by performing Sisyphus cooling under blue detuning of +1 GHz.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"30 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83320912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.237850
A. Mikhailovsky, M. Petruska, M. Stockman, A. Bartko, M. Acherman, V. Klimov
We study amplitude and phase responses of individual gold nanoparticles and nanoparticle dimers by applying near-field illumination with a bright, broad-band, femtosecond, white-light continuum.
{"title":"Near-field, phase-sensitive spectroscopy of metal nanoassemblies","authors":"A. Mikhailovsky, M. Petruska, M. Stockman, A. Bartko, M. Acherman, V. Klimov","doi":"10.1109/QELS.2003.237850","DOIUrl":"https://doi.org/10.1109/QELS.2003.237850","url":null,"abstract":"We study amplitude and phase responses of individual gold nanoparticles and nanoparticle dimers by applying near-field illumination with a bright, broad-band, femtosecond, white-light continuum.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"19 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82936664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238513
T. Pittman, M. Donegan, M. J. Fitch, B. Jacobs, J. Franson
We have experimentally demonstrated a new kind of single-photon source and a cyclical quantum memory device for photonic qubits. These initial experiments involved storage loops, active switching, and parametric down-conversion photon pairs.
{"title":"Single-photon source and quantum memory","authors":"T. Pittman, M. Donegan, M. J. Fitch, B. Jacobs, J. Franson","doi":"10.1109/QELS.2003.238513","DOIUrl":"https://doi.org/10.1109/QELS.2003.238513","url":null,"abstract":"We have experimentally demonstrated a new kind of single-photon source and a cyclical quantum memory device for photonic qubits. These initial experiments involved storage loops, active switching, and parametric down-conversion photon pairs.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"49 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86781959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238399
R. Chari, I. Galbraith, J. Phillips, S. Pellegrini, C. Dent, A. Kar, G. Buller, C. Pidgeon, D. G. Clarke, B. Murdin, A. V. D. van der Meer, G. Strasser
By measuring THz absorption and time-resolved photoluminescence on the same GaAs quantum well sample we confirm the recent prediction of Kira that PL at the exciton frequency does not require a population of bound excitons.
{"title":"Excitonic signatures in photoluminescence and terahertz absorption","authors":"R. Chari, I. Galbraith, J. Phillips, S. Pellegrini, C. Dent, A. Kar, G. Buller, C. Pidgeon, D. G. Clarke, B. Murdin, A. V. D. van der Meer, G. Strasser","doi":"10.1109/QELS.2003.238399","DOIUrl":"https://doi.org/10.1109/QELS.2003.238399","url":null,"abstract":"By measuring THz absorption and time-resolved photoluminescence on the same GaAs quantum well sample we confirm the recent prediction of Kira that PL at the exciton frequency does not require a population of bound excitons.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"48 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87976602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2003-06-06DOI: 10.1109/QELS.2003.238054
D. Ivanov, S. Wallentowitz, I. Walmsley
Stochastic cooling of trapped atoms consists of the measurement of total momentum of part of the atoms in the trap and its subsequent compensation by giving the atoms a momentum kick. Both operations may be implemented by application of optical (laser) fields. The fraction of atoms affected is determined by the volume where atoms interact with the applied fields, i.e. the optical beam. This study identifies two sources of quantum noise in stochastic cooling that determine the ultimate cooling limit of the method. They appear as heating when considering the change of energy due to a single operation of stochastic cooling.
{"title":"Quantum noise in stochastic cooling of trapped atoms","authors":"D. Ivanov, S. Wallentowitz, I. Walmsley","doi":"10.1109/QELS.2003.238054","DOIUrl":"https://doi.org/10.1109/QELS.2003.238054","url":null,"abstract":"Stochastic cooling of trapped atoms consists of the measurement of total momentum of part of the atoms in the trap and its subsequent compensation by giving the atoms a momentum kick. Both operations may be implemented by application of optical (laser) fields. The fraction of atoms affected is determined by the volume where atoms interact with the applied fields, i.e. the optical beam. This study identifies two sources of quantum noise in stochastic cooling that determine the ultimate cooling limit of the method. They appear as heating when considering the change of energy due to a single operation of stochastic cooling.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"26 1","pages":"2 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88174917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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