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Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.最新文献

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Single-qubit, entanglement-assisted and ancilla-assisted quantum process tomography 单量子位，纠缠辅助和辅助量子过程断层扫描
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238205
J. Altepeter, D. Branning, E. Jeffrey, C. Wei, P. Kwiat, R. Thew, J. O'Brien, M. Nielsen, A.G. White
{"title":"Single-qubit, entanglement-assisted and ancilla-assisted quantum process tomography","authors":"J. Altepeter, D. Branning, E. Jeffrey, C. Wei, P. Kwiat, R. Thew, J. O'Brien, M. Nielsen, A.G. White","doi":"10.1109/QELS.2003.238205","DOIUrl":"https://doi.org/10.1109/QELS.2003.238205","url":null,"abstract":"Quantum process tomography allows complete and precise characterization of a quantum operation. We report quantum process tomography of unitary, decohering, and partially polarizing operations using single-qubit, maximally entangled, and non-entangled input states.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"265 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":"77021129","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}
引用次数: 2
Geometry dependence of Auger carrier capture rates into self-assembled quantum dots 自组装量子点中俄歇载流子捕获速率的几何依赖性
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238523
I. Magnúsdóttir, S. Bischo, J. Mørk, Alexander V. Uskov
{"title":"Geometry dependence of Auger carrier capture rates into self-assembled quantum dots","authors":"I. Magnúsdóttir, S. Bischo, J. Mørk, Alexander V. Uskov","doi":"10.1109/QELS.2003.238523","DOIUrl":"https://doi.org/10.1109/QELS.2003.238523","url":null,"abstract":"We present calculations of Auger carrier capture processes into self-assembled quantum dots. A strong dependence of the Auger capture rate on the size and geometry of the quantum dots is demonstrated.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"74 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":"75001050","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}
引用次数: 0
Simplified setup for high-resolution spectroscopy using ultrashort pulses 使用超短脉冲的高分辨率光谱简化设置
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238331
E. Gershgoren, R. Bartels, J. Fourkas, R. Tobey, M. Murnane, H. Kapteyn
{"title":"Simplified setup for high-resolution spectroscopy using ultrashort pulses","authors":"E. Gershgoren, R. Bartels, J. Fourkas, R. Tobey, M. Murnane, H. Kapteyn","doi":"10.1109/QELS.2003.238331","DOIUrl":"https://doi.org/10.1109/QELS.2003.238331","url":null,"abstract":"Using a broadband femtosecond laser and simple optics, we demonstrate narrow-bandwidth tunable selective vibrational excitation in liquids. The resolution obtained is 80 times higher than the laser bandwidth-the highest obtained from a femtosecond laser to date.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"59 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":"74763205","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}
引用次数: 0
Laser cooling thulium-doped glass by 24K from room temperature 室温24K激光冷却掺铥玻璃
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238174
C. Hoyt, W. Patterson, M. Hasselbeck, M. Sheik-Bahae, R. Epstein, J. Thiede, D. Seletskiy
{"title":"Laser cooling thulium-doped glass by 24K from room temperature","authors":"C. Hoyt, W. Patterson, M. Hasselbeck, M. Sheik-Bahae, R. Epstein, J. Thiede, D. Seletskiy","doi":"10.1109/QELS.2003.238174","DOIUrl":"https://doi.org/10.1109/QELS.2003.238174","url":null,"abstract":"Thulium-doped glass is cooled 24 K below ambient by arranging a Brewster-cut sample in a multiple-pass pump geometry. Modelling based on new spectroscopy data predicts the feasibility of achieving cryogenic temperatures.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"3 1","pages":"790-795"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72995527","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}
引用次数: 4
Improved single-photon detector performance 改进的单光子探测器性能
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238035
M. J. Fitch, M. Donegan, B. Jacobs, T. Pittman, J. Franson
{"title":"Improved single-photon detector performance","authors":"M. J. Fitch, M. Donegan, B. Jacobs, T. Pittman, J. Franson","doi":"10.1109/QELS.2003.238035","DOIUrl":"https://doi.org/10.1109/QELS.2003.238035","url":null,"abstract":"High efficiency single-photon detectors are needed for many applications including quantum cryptography and linear-optics quantum computing. We present experimental results showing improved detection efficiency of silicon avalanche photodiodes by reducing reflective losses.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"42 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":"73262405","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}
引用次数: 0
Nano-acoustic waveform synthesis and second harmonic generation of coherent acoustic phonon oscillations using optical coherent control 利用光学相干控制的相干声子振荡的纳米声波形合成和二次谐波产生
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238123
G. Chern, Kung-Hsuan Lin, Huang. Yue-Kai, Chi‐Kuang Sun
{"title":"Nano-acoustic waveform synthesis and second harmonic generation of coherent acoustic phonon oscillations using optical coherent control","authors":"G. Chern, Kung-Hsuan Lin, Huang. Yue-Kai, Chi‐Kuang Sun","doi":"10.1109/QELS.2003.238123","DOIUrl":"https://doi.org/10.1109/QELS.2003.238123","url":null,"abstract":"Second harmonic coherent acoustic phonon oscillations were generated in strained InGaN/GaN multiple quantum wells using an optical coherent control technique. This demonstration leads to the nano acoustic waveform synthesis based on optical coherent controls.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"9 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":"74416966","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}
引用次数: 0
Nonlinear optical properties of noble metals at the interband transition threshold 贵金属在带间跃迁阈值处的非线性光学性质
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237974
N. Lepeshkin, G. Piredda, A. Schweinsberg, R. Boyd
{"title":"Nonlinear optical properties of noble metals at the interband transition threshold","authors":"N. Lepeshkin, G. Piredda, A. Schweinsberg, R. Boyd","doi":"10.1109/QELS.2003.237974","DOIUrl":"https://doi.org/10.1109/QELS.2003.237974","url":null,"abstract":"We report measurements of the cubic optical susceptibility of copper at the interband transition threshold. Both real and imaginary parts of the susceptibility are determined from nonlinear transmission and reflection experiments with a copper/silica composite sample irradiated by picosecond laser pulses.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"193 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":"72841547","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}
引用次数: 0
Enhanced spontaneous emission from colloidal quantum dots embedded in a monolithic microcavity 嵌入单片微腔的胶体量子点增强自发发射
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237813
C. Poitras, M. Lipson, M. Hahn, H. Du, T. Krauss
{"title":"Enhanced spontaneous emission from colloidal quantum dots embedded in a monolithic microcavity","authors":"C. Poitras, M. Lipson, M. Hahn, H. Du, T. Krauss","doi":"10.1109/QELS.2003.237813","DOIUrl":"https://doi.org/10.1109/QELS.2003.237813","url":null,"abstract":"We demonstrate an enhancement of the spontaneous emission from colloidal quantum dots embedded in a half-wavelength 1D cavity. Compared to free space, the emission of the dots is enhanced by a factor of 2.7.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"30 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":"73403461","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}
引用次数: 2
Dependence of the NdSc/sub 3/(BO/sub 3/)/sub 4/ random laser output parameters on the particle size NdSc/sub 3/(BO/sub 3/)/sub 4/随机激光输出参数与颗粒大小的关系
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237954
M. Noginov, G. Zhu, S. Williams, A. Burin
{"title":"Dependence of the NdSc/sub 3/(BO/sub 3/)/sub 4/ random laser output parameters on the particle size","authors":"M. Noginov, G. Zhu, S. Williams, A. Burin","doi":"10.1109/QELS.2003.237954","DOIUrl":"https://doi.org/10.1109/QELS.2003.237954","url":null,"abstract":"In NdSc/sub 3/(BO/sub 3/)/sub 4/ random laser, we experimentally studied the dependence of the threshold, slope efficiency, and effective photon residence time on the size of powder particles. Optimum lasing conditions are found at medium particle sizes.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"33 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":"74050479","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}
引用次数: 0
Observation of superluminal pulse propagation in alexandrite 翠绿宝石中超光速脉冲传播的观察
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238111
M. S. Bigelow, N. Lepeshkin, R. Boyd
{"title":"Observation of superluminal pulse propagation in alexandrite","authors":"M. S. Bigelow, N. Lepeshkin, R. Boyd","doi":"10.1109/QELS.2003.238111","DOIUrl":"https://doi.org/10.1109/QELS.2003.238111","url":null,"abstract":"We observe superluminal light propagation in an alexandrite crystal. Negative group velocities result from a narrow anti-hole in the homogeneously broadened absorption spectrum. The anti-hole is formed by coherent population oscillations in an inverse-saturable absorber.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"100 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":"79287471","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}
引用次数: 3
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