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检索条件"主题词=WAVE-GUIDES"
559 条 记 录,以下是251-260 订阅
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Aluminum co-doping of soda-lime silicate glasses: Effect on optical and spectroscopic properties
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JOURNAL OF NON-CRYSTALLINE SOLIDS 2005年 第21-23期351卷 1747-1753页
作者: Berneschi, S Bettinelli, M Brenci, M Conti, GN Pelli, S Sebastiani, S Siligardi, C Speghini, A Righini, GC IFAC CNR Nello Carrara Inst Appl Phys Optoelect & Photon DeptCNR I-50127 Florence Italy Univ Bologna DEIS I-40100 Bologna Italy Univ Verona Sci & Technol Dept I-37134 Verona Italy Univ Modena DIMA I-41100 Modena Italy
One of the limits of using silicate glasses as a host for Er3+ is the emission bandwidth, which is smaller than in the case of other oxide glasses, such as phosphates and tellurites. The bandwidth can be increased by ... 详细信息
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Investigation of the role of silver on spectroscopic features of Er3+-activated Ag-exchanged silicate and phosphate glasses
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JOURNAL OF NON-CRYSTALLINE SOLIDS 2005年 第21-23期351卷 1738-1742页
作者: Portales, H Mattarelli, M Montagna, M Chiasera, A Ferrari, M Martucci, A Mazzoldi, P Pelli, S Righini, GC Univ Trent Dipartimento Fis I-38050 Povo TN Italy CSMFO INFM I-38050 Povo TN Italy CSMFO Grp Ist Foton & Nanotecnol CNR IFN Povo TN Italy Univ Padua Dip Ingn Meccan S Mat INSTM I-35131 Padua Italy Univ Padua Dipartimento Fis I-35131 Padua Italy INFM I-35131 Padua Italy CNR IFAC Inst Appl Phys Nello Carrara I-50127 Florence Italy
We present a spectroscopic investigation on Er/Ag co-doped platelets of silicate and phosphate glasses with the aim of assessing the effect of silver as a sensitizer for erbium. The silver was added by immersing the s... 详细信息
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Coherent nonlinear optics with quantum cascade structures
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JOURNAL OF MODERN OPTICS 2005年 第16期52卷 2293-2302页
作者: Belyanin, A Xie, F Liu, DB Capasso, F Troccoli, M Texas A&M Univ Dept Phys College Stn TX 77843 USA Harvard Univ Div Engn & Appl Sci Cambridge MA 02138 USA
We discuss several coherent nonlinear optical phenomena that occur in active quantum-cascade (QC) structures that support both laser action and, at the same time, nonlinear self-conversion of laser light into coherent... 详细信息
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Quantum theory of Manakov solitons
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Physical Review A 2005年 第5期71卷 053805-053805页
作者: Darren Rand Ken Steiglitz Paul R. Prucnal Department of Electrical Engineering Princeton University Princeton NJ 08544 USA Department of Computer Science Princeton University Princeton NJ 08544 USA
A fully quantum mechanical model of two-component Manakov solitons is developed in both the Heisenberg and Schrödinger representations, followed by an analytical, linearized quantum theory of Manakov solitons in ... 详细信息
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Green’s function for photonic crystal slabs
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Physical Review E 2005年 第2期72卷 026614-026614页
作者: Li-Ming Zhao Xue-Hua Wang Ben-Yuan Gu Guo-Zhen Yang Institute of Physics Chinese Academy of Sciences P. O. Box 603 Beijing China
Green’s tensors for photonic crystal (PC) slabs are numerically solved by the coupled-dipole approximation (CDA) technique. The obtained components of Green’s tensors satisfy discontinuous or continuous conditions a... 详细信息
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Out-of-plane dispersion and homogenization in photonic crystal slabs
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APPLIED PHYSICS LETTERS 2005年 第19期87卷 191113-1-191113页
作者: Jian, ZP Mittleman, DM Rice Univ Dept Elect & Comp Engn Houston TX 77005 USA
We report a measurement of out-of-plane dispersion in two-dimensional photonic crystal slabs. Using terahertz time-domain spectroscopy, we obtain the complex transmission coefficient over a broad spectrum, ranging fro... 详细信息
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Codirectional couplers in GaAs-based planar photonic crystals -: art. no. 081108
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APPLIED PHYSICS LETTERS 2005年 第8期86卷 1108-1-1108-3页
作者: Leuenberger, D Ferrini, R Dunbar, LA Houdré, R Kamp, M Forchel, A Ecole Polytech Fed Lausanne Inst Photon & Elect Quant CH-1015 Lausanne Switzerland Univ Wurzburg D-97074 Wurzburg Germany
Several designs for codirectional couplers in planar photonic crystals etched into GaAs-based heterostructures were investigated both theoretically and experimentally. Two different numerical techniques, i.e., plane w... 详细信息
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Mechanisms supporting long propagation regimes of photorefractive solitons
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Physical Review E 2005年 第3期71卷 036610-036610页
作者: Eugenio DelRe Angelo D’Ercole Elia Palange Dipartimento di Fisica Università dell’Aquila 67010 L’Aquila Italy Istituto Nazionale Fisica della Materia Unità di Roma “La Sapienza” 00185 Rome Italy Dipartimento di Ingegneria Elettrica Università dell’Aquila 67040 Monteluco di Roio (L’Aquila) Italy Istituto Nazionale Fisica della Materia Unità dell’Aquila 67010 L’Aquila Italy
We extend investigation of one-dimensional solitons in biased photorefractive crystals to long propagation regimes, where self-trapping over a large number of linear diffraction lengths combines with the progressive g... 详细信息
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Design, fabrication, and characterization of a two-dimensional photonic-crystal symmetric Mach-Zehnder interferometer for optical integrated circuits
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APPLIED PHYSICS LETTERS 2005年 第14期86卷 141104-1-141104页
作者: Tanaka, Y Sugimoto, Y Ikeda, N Nakamura, H Kanamoto, K Asakawa, K Inoue, K Femtosecond Technol Res Assoc Tsukuba Ibaraki 3002635 Japan Chitose Inst Sci & Technol Chitose 0668655 Japan Univ Tsukuba Tsukuba Ibaraki 3058577 Japan
We report on the design, fabrication, and optical characterization of a GaAs two-dimensional photonic-crystal-based symmetric Mach-Zehnder interferometer (PC-SMZ) aimed at all-optical switches in planar photonic integ... 详细信息
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Variational approach to spatial optical solitons in bulk cubic-quintic media stabilized by self-induced multiphoton ionization
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Physical Review E 2005年 第5期71卷 056615-056615页
作者: C. P. Jisha V. C. Kuriakose K. Porsezian []Department of Physics Cochin University of Science and Technology Cochin 682022 India
Propagation of an optical high-power cylindrically symmetric beam in a material characterized by cubic-quintic nonlinearity is studied both analytically and numerically. In this case we have to consider the self-defoc... 详细信息
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