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

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Breaking diffraction limit with meta-materials 利用超材料突破衍射极限
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238223
J. Chern, Yu-Sheng Wang, M. Lu, J. Lih, Ming-Chang Chen, Yen-Chun Huang, Kuan-Hung Chen
{"title":"Breaking diffraction limit with meta-materials","authors":"J. Chern, Yu-Sheng Wang, M. Lu, J. Lih, Ming-Chang Chen, Yen-Chun Huang, Kuan-Hung Chen","doi":"10.1109/QELS.2003.238223","DOIUrl":"https://doi.org/10.1109/QELS.2003.238223","url":null,"abstract":"Pendry's superlens has been verified in microwave optics analog with meta-materials. Simulation with finite-element solver of Maxwell equations is further used to explore the feature. Aberration-like issues are also discussed.","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":"83601463","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
Determining the carrier-envelope frequency and phase by few-cycle nonlinear optics in semiconductors 用半导体中少周期非线性光学确定载波包络频率和相位
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238318
M. Wegener, T. Tritschler, O. Mucke, U. Morgner, F. Kartner
{"title":"Determining the carrier-envelope frequency and phase by few-cycle nonlinear optics in semiconductors","authors":"M. Wegener, T. Tritschler, O. Mucke, U. Morgner, F. Kartner","doi":"10.1109/QELS.2003.238318","DOIUrl":"https://doi.org/10.1109/QELS.2003.238318","url":null,"abstract":"We discuss semiconductor nonlinear optics in the nonperturbative few-cycle regime. In particular, we introduce \"camouflage third-harmonic generation\" and speculate about the possibility to determine the CEO phase itself.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"221 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":"83476005","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: 1
Enhanced total internal reflection by an active medium 由有源介质增强的全内反射
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238267
J. Fan, A. Dogariu, L.J. Wang
{"title":"Enhanced total internal reflection by an active medium","authors":"J. Fan, A. Dogariu, L.J. Wang","doi":"10.1109/QELS.2003.238267","DOIUrl":"https://doi.org/10.1109/QELS.2003.238267","url":null,"abstract":"Totally internal reflected beam can be amplified if the lower-index medium has gain. We examine the energy flux and the Goos Manchen shift for various cases.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"24 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":"91529723","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: 1
Exciton polariton emission enhancement in semiconductor microcavities containing an optically induced electron gas 包含光诱导电子气体的半导体微腔中的激子极化子发射增强
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238336
A. Qarry, R. Rapaport, L. Pfeiffer, E. Cohen, A. Ron
{"title":"Exciton polariton emission enhancement in semiconductor microcavities containing an optically induced electron gas","authors":"A. Qarry, R. Rapaport, L. Pfeiffer, E. Cohen, A. Ron","doi":"10.1109/QELS.2003.238336","DOIUrl":"https://doi.org/10.1109/QELS.2003.238336","url":null,"abstract":"We present a study of a microcavity polariton system in the presence of an optically induced electron gas. Angle resolved photoluminescence measurements with nonresonant excitation show enhanced emission from the k /spl ap/ 0 states as the electron density is increased. This indicates that electron-polariton scattering can assist in relaxing the polariton bottleneck.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"24 1 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":"91051723","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
Imaging intramolecular energy transfer in conjugated polymers by single chain spectroscopy 单链光谱成像共轭聚合物分子内能量转移
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237848
J. Lupton, J. Muller, F. Schindler, U. Lemmer, J. Feldman, M. Anni, R. Cingolani, U. Scherf
{"title":"Imaging intramolecular energy transfer in conjugated polymers by single chain spectroscopy","authors":"J. Lupton, J. Muller, F. Schindler, U. Lemmer, J. Feldman, M. Anni, R. Cingolani, U. Scherf","doi":"10.1109/QELS.2003.237848","DOIUrl":"https://doi.org/10.1109/QELS.2003.237848","url":null,"abstract":"We report on the time resolved polarized emission from individual conjugated polymer chains as a function of temperature. Besides observing intrachain energy transfer in real time, we can also infer dephasing times from homogeneous linewidths.","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":"74429270","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
Zero- to one-dimensional transition and Auger recombination in semiconductor quantum rods 半导体量子棒中的零到一维跃迁和俄歇复合
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237852
H. Htoon, J. Hollingsworth, A. Malko, R. Dickerson, V. Klimov
{"title":"Zero- to one-dimensional transition and Auger recombination in semiconductor quantum rods","authors":"H. Htoon, J. Hollingsworth, A. Malko, R. Dickerson, V. Klimov","doi":"10.1109/QELS.2003.237852","DOIUrl":"https://doi.org/10.1109/QELS.2003.237852","url":null,"abstract":"Studies of Auger recombination in size/shape-controlled CdSe nanoparticles reveal that elongated nanocrystals provide almost independent control of the emission wavelength (diameter) and the Auger recombination rate (length). The results suggest that shape control may be the key to developing practical lasing applications.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"85 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":"76855412","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: 6
Diffraction management and elliptic discrete solitons in two-dimensional waveguide array lattices 二维波导阵列晶格中的衍射管理和椭圆离散孤子
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238444
J. Hudock, N. Efremidis, D. Christodoulides
{"title":"Diffraction management and elliptic discrete solitons in two-dimensional waveguide array lattices","authors":"J. Hudock, N. Efremidis, D. Christodoulides","doi":"10.1109/QELS.2003.238444","DOIUrl":"https://doi.org/10.1109/QELS.2003.238444","url":null,"abstract":"We demonstrate that the discrete diffraction properties of a 2-D waveguide array can be effectively altered depending on the propagation k-vector within the Brillouin zone of the lattice. In general, this diffraction behavior is anisotropic, and therefore, allows the existence of discrete elliptic solitons.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"296 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":"77925084","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: 1
Single quantum dot photodiodes: Rabi-flops in a two level system with electric contacts 单量子点光电二极管:具有电触点的两电平系统中的拉比-flop
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.238263
A. Zrenner, E. Beham, S. Stufler, F. Findeis, M. Bichler, G. Abstreiter
{"title":"Single quantum dot photodiodes: Rabi-flops in a two level system with electric contacts","authors":"A. Zrenner, E. Beham, S. Stufler, F. Findeis, M. Bichler, G. Abstreiter","doi":"10.1109/QELS.2003.238263","DOIUrl":"https://doi.org/10.1109/QELS.2003.238263","url":null,"abstract":"On the basis of a single semiconductor quantum dot incorporated in a photodiode we have succeeded in preparing a two-level system with electric contacts, a setup which was previously not attained on the basis of other two-level systems. By means of such a single quantum dot photodiode we demonstrate the transfer of coherent optical excitations into deterministic photocurrents. Rabi oscillations are shown to be directly reflected in the photocurrent. For optical excitation with pi-pulses we observe a quantitative photocurrent given by I=f /spl times/ e, where f is the repetition frequency of the experiment and e is the elementary charge.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"164 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":"78016418","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
Experimental realization of quantum cryptosystem over 87 km 超87公里量子密码系统的实验实现
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237855
T. Hasegawa, T. Nishioka, H. Ishizuka, J. Abe, M. Matsui, Shigeki Takeuchi
{"title":"Experimental realization of quantum cryptosystem over 87 km","authors":"T. Hasegawa, T. Nishioka, H. Ishizuka, J. Abe, M. Matsui, Shigeki Takeuchi","doi":"10.1109/QELS.2003.237855","DOIUrl":"https://doi.org/10.1109/QELS.2003.237855","url":null,"abstract":"We have successfully implemented telecom-wavelength quantum cryptosystem over 87.5 km (world's longest) including error correction and privacy amplification. We confirmed that key distribution was performed at a rate of 7.2 bps with a 7.6% QBER.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"31 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":"78220790","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
Single molecule spectroscopy of multichromophoric assemblies 多色组合物的单分子光谱
Postconference Digest Quantum Electronics and Laser Science, 2003. QELS. Pub Date : 2003-06-06 DOI: 10.1109/QELS.2003.237851
T. Basché, T. Christ, F. Kulzer, A. Herrmann, E. Reuther, K. Mullen
{"title":"Single molecule spectroscopy of multichromophoric assemblies","authors":"T. Basché, T. Christ, F. Kulzer, A. Herrmann, E. Reuther, K. Mullen","doi":"10.1109/QELS.2003.237851","DOIUrl":"https://doi.org/10.1109/QELS.2003.237851","url":null,"abstract":"We have investigated multichromophoric assemblies composed of a variable number of chromophores by single molecule spectroscopy. Specific spectral signatures have allowed to distinguish at the single molecule level between molecular dimers representing strong and weak electronic dipole-dipole coupling. By using fluorescence excitation spectroscopy at low temperature, the sharp purely electronic zero-phonon lines of single chromophores within a single dendrimer containing four chromophores could be isolated in the frequency domain.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"115 1","pages":"4 pp.-"},"PeriodicalIF":0.0,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77923045","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
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