Tuesday, 3 May 2011 - CLEO

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Room 339 Room 340 CLEO: Science & Innovations Room 341 CLEO: Applications & Technology CTuE • High Laser Power Material and Devices— Continued CTuE4 • 08:45 New Mid-IR Gain Media Based on Transition Metal Doped II-VI Ternary - Quaternary Compounds and Glassy Composites, Dmitry Martyshkin 1 , Jonathan Goldstein 2 , Renato Camata 1 , Vladimir V. Fedorov 1 , Sergey B. Mirov 1 ; 1 Physics, Univ. of Alabama at Birmingham, USA; 2 Materials and Manufacturing, Air Force Research lab, USA. We report on crystal-field engineering of solidstate laser gain materials based on new transition metals (Iron and Chromium) doped II-VI Ternary (Quaternary) and Cr 2+ glassy composite materials for mid-IR tunable laser applications. CTuE5 • 09:00 Optical Emission from Fused Silica Ejecta Following Localized Exposure to Nanosecond Laser Pulses, Rajesh Raman 1 , Raluca A. Negres 1 , Stavros G. Demos 1 ; 1 Lawrence Livermore National Lab, USA. We investigate the emission of ejected material during laser ablation of fused silica. The kinetic properties of the ejected particles are also resolved. The results help better understand the transient state of the ejected material. CTuF • Novel Optofluidic Applications and Optofluidic Energy—Continued CTuF4 • 08:45 Micro-fluidic Flow Switching by Using an Optical Beam, Janet W. Lou 1 , Carl A. Villarruel 2 , Ross T. Schermer 2 ; 1 Mission Systems Division, Global Defense Technology & Systems, Inc., USA; 2 Optical Sciences Division, U.S. Naval Research Lab, USA. We report on the application of an optical beam to redirect sheathed micro-fluidic flow without direct interaction with the sample. The hydrodynamic properties of the sheath are locally modified resulting in a sample location shift. CTuF5 • 09:00 Invited Single Exposure Fabrication and Manipulation of 3D Hydrogel Cell Microcarriers, Sunghoon Kwon 1,2 , Lily N. Kim 1,2 , Sung-Eun Choi 1,2 , Junhoi Kim 1,2 , Hyoki Kim 1,2 ; 1 Seoul National Univ., Republic of Korea; 2 Inter-Univ. Semiconductor Center, Republic of Korea. We present a simple and high-throughput method for fabricating freefloating hydrogel cell microcarriers using single exposure UV patterning. We also demonstrate magnetic manipulation of the free-floating cell microcarriers. ATuB • Spectroscopic Technologies for Tissue Diagnostics—Continued ATuB3 • 08:45 Theoretical Analysis of a Technique for Broadband Optical Property Estimation in Two-Layer Tissue, Du Le 1,2 , Quanzeng Wang 1 , Jessica Ramella- Roman 2 , Josh Pfefer 1 ; 1 CDRH, Food and Drug Administration, USA; 2 Biomedical Engineering, Catholic Univ. of America, USA. Our data processing algorithms for determination of optical properties in two-layer tissue from broadband reflectance are evaluated. By combining Monte Carlo, neural network and spectral fitting approaches, accurate estimates can be produced. ATuB4 • 09:00 Invited Diffuse Spectroscopy with Very High Collection Efficiency, Martin B. van der Mark 1 , Adrien Desjardins 1 ; 1 Minimally Invasive Healthcare, Philips Research, Netherlands. Light from a supercontinuum source is spectrally dispersed, coded and recombined before illuminating a turbid medium. In this way, spectroscopic diffuse optical imaging of the medium of very high light collection efficiency is possible. CTuE6 • 09:15 High Fidelity Large Aperture Periodically Poled Rb:KTiOPO 4 for High Energy Frequency Conversion, Andrius Zukauskas 1 , Nicky Thilmann 1 , Valdas Pasiskevicius 1 , Fredrik Laurell 1 , Carlota Canalias 1 ; 1 Laser Physics, KTH (Royal Inst. of Technology), Sweden. We demonstrate periodic poling of 5 mm thick Rb-doped KTiOPO 4 crystals at room temperature. The ferroelectric domain grating is shown to be uniform and homogeneous across the whole crystal aperture. Tuesday, 3 May CTuE7 • 09:30 Measurement of Wavefront Distortions Resulting from Incidence of High-Power 2 μm Laser Light, Christina Willis 1 , Joshua D. Bradford 1 , Lawrence Shah 1 , Martin Richardson 1 ; 1 CREOL/UCF, USA. Wavefront distortions induced in various silica samples by a 2 μm thulium fiber laser were measured. Absorption of silica at 2 μm makes a full characterization of thermal lensing critical for high power applications. CTuF6 • 09:30 Evanescent Cultivation of Cyanobacteria for Bioenergy, Matthew Ooms 1 , David Erickson 2 , David Sinton 1 ; 1 Mechanical Engineering, Univ. of Victoria, Canada; 2 Sibley School of Mechanical and Aerospace Engineering, Cornell Univ., USA. A novel approach to cultivating cyanobacteria is presented. This approach utilizes near-field evanescent waves on the surface of waveguides to stimulate the thylakoid membranes of cyanobacteria directly adjacent to the surface of the waveguide. ATuB5 • 09:30 Physiologically relevant image reconstruction for small animals using optical diffusion tomography, Vaibhav Gaind 1 , Hsiao-Rho Tsai 1 , Kevin J. Webb 1 , Venkatesh Chelvam 2 , Philip S. Low 2 ; 1 Electrical Engineering, Purdue Univ., USA; 2 Chemistry, Purdue Univ., USA. We present experimental results for reconstructing physiologically relevant optical properties of a small animal using optical diffusion tomography. 09:45–11:00 Coffee Break and Unopposed Exhibit-Only Time, Exhibit Hall, 100 Level 09:45–17:00 Exhibit Open, Exhibit Hall Concurrent sessions are grouped across four pages. Please review all four pages for complete session information. 95
Room 318-320 Room 321-323 Room 324-326 Room 314 CLEO: QELS- Fundamental Science CLEO: Science & Innovations JOINT 11:00–12:45 QTuE • Plasmonic Optical Devices Presider to Be Announced 11:00–12:45 QTuF • Frequency Combs and Carrier-Envelope Phase Phenomena Mark Foster, The Johns Hopkins Univ., USA, Presider 11:00–12:45 CTuG • Semiconductor Nanolasers Seth Bank, Univ. of Texas, USA, Presider 11:00–12:45 JTuC • Joint Symposium on Quantum Communications II: Networks Thomas Chapuran, Telcordia, USA, Presider QTuE1 • 11:00 Invited Optical Trapping at the Ultimate Nanoscale in the Near-field of Plasmonic Antennas, Olivier J. Martin 1 ; 1 Nanophotonics & Metrology Lab, Swiss Fed. Inst. Technology, Switzerland. We study the trapping of nanoscopic objects in the near-field of plasmonic nanostructures and demonstrate experimentally that 10nm particles can be trapped in the 15nm gap of a dipole antenna. Applications for biosensing are discussed. QTuF1 • 11:00 Frequency Comb Generation in Crystalline MgF 2 Whispering-Gallery Mode Resonators, Tobias Herr 1 , Christine Wang 2 , Pascal Del’Haye 2 , Albert Schliesser 1,2 , Klaus Hartinger 1,3 , Ronald Holzwarth 2,3 , Tobias Kippenberg 1,2 ; 1 LPQM, EPFL, Switzerland; 2 MPQ, Germany; 3 Menlo Systems GmbH, Germany. We demonstrate frequency comb generation via four-wave-mixing in crystalline MgF 2 whispering-gallery mode resonators. More than 800 comb lines spaced by 43 GHz are observed. Second order autocorrelation is performed for time-domain characterization. CTuG1 • 11:00 Tutorial Nanoscale Lasers: How small can they go Shun L. Chuang 1 ; 1 Electrical and Computer Engineering, Univ. of Illinois at Urbana-Champaign, USA. Recent progress in both theory and experiment of nanoscale lasers will be presented. We will discuss metal-cavity nanolasers, their designs and performances, and how our theory explains the experimental data with a good agreement. JTuC1 • 11:00 Invited Tokyo QKD Network and the evolution to Secure Photonic Network, Masahide Sasaki 1 ; 1 Quantum ICT Group, National Inst. of Information and Communications Technology, Japan. A novel secure communication network with quantum key distribution in a metropolitan area is reported. Different QKD schemes are integrated to demonstrate secure TV conferencing over a distance 45km, key relay, and so on. Tuesday, 3 May QTuE2 • 11:30 An Integrated Plasmonic Polarimeter, Farzaneh Afshinmanesh 1 , Justin S. White 1 , Wenshan Cai 1 , Mark Brongersma 1 ; 1 Stanford Univ., USA. We present a plasmonic device that can determine the state of polarization of an incident light beam over a narrow wavelength band. The measurement results show 25 and 1.13 contrast ratio for linear and circular polarizations at 830nm. QTuF2 • 11:15 Coherence properties of a mid-infrared frequency comb produced by a degenerate optical parametric oscillator, Alireza Marandi 1 , Nick C. Leindecker 1 , Robert L. Byer 1 , Konstantin Vodopyanov 1 ; 1 Stanford Univ., USA. We show that a broadband mid-infrared frequency comb produced by a degenerate optical parametric oscillator is stable and phase locked to the pump. Moreover, the OPO can operate in two phase and two frequency states. QTuF3 • 11:30 Green Enhancement Cavity for Frequency Comb Generation in the Extreme Ultraviolet, Birgitta Bernhardt 1 , Akira Ozawa 1 , Ioachim Pupeza 1 , Andreas Vernaleken 1 , Yohei Kobayashi 2 , Ronald Holzwarth 1 , Ernst Fill 1 , Ferenc Krausz 1 , Theodor W. Hänsch 1 , Thomas Udem 1,3 ; 1 Max- Planck-Institut für Quantenoptik, Germany; 2 The Inst. for Solid State Physics, Univ. of Tokyo, Japan; 3 Ludwig-Maximilians-Universität, Germany. Peak intensities > 2x10 13 W/cm 2 are generated in a green enhancement cavity en route to XUV frequency comb generation with unprecedented conversion efficiencies. Enhancement limitations in the green region are discussed for the first time. Shun Lien Chuang received the Ph. D. degree in EECS from MIT in 1983. He then joined the Univ. of Illinois at Urbana-Champaign, where he is currently the MacClinchie Distinguished Professor of Electrical and Computer Engineering. His research interest is on semiconductor nanophotonic devices. He is the author of Physics of Photonic Devices (second edition, 2009) and Physics of Optoelectronic Devices (first edition, 1995), Wiley. He is a Fellow of the APS, IEEE, and OSA. He received Engineering Excellence Award from OSA (2004), the IEEE/LEOS Distinguished Lecturer Award (2004-2006), the Streifer Scientific Achievement Award (2007), and the Humboldt Research Award for Senior U.S. Scientists (2008). JTuC2 • 11:30 Invited Full eavesdropping on a practical QKD system, Christian Kurtsiefer, Natl. Univ. of Singapore, Singapore. We present a successful attack on a practical QKD system based on a detector vulnerability, where 100% of the generated key is obtained without leaving traces in the error ratio between the legitimate communication partners. QTuE3 • 11:45 High-throughput Fabrication of Plasmonic Nanoantenna Arrays Using Nanostencils for Spectroscopy and Biosensing, Serap Aksu 1,2 , Ahmet Yanik 2,3 , Ronen Adato 2,3 , Alp Artar 2,3 , Min Huang 2,3 , Hatice Altug 2,3 ; 1 Materials Science and Eng., Boston Univ., USA; 2 Photonics Center, Boston Univ., USA; 3 Electrical and Computer Engineering, Boston Univ., USA. We present a novel approach for high-throughput and high-resolution fabrication of infrared nanoantenna arrays with reusable nanostencils for vibrational spectroscopy. Optical responses of these antennas are identical to ones fabricated by EBL. QTuF4 • 11:45 Second-order coherence of supercontinuum, Goëry Genty 1 , Minna Surakka 2 , Jari Turunen 2 , Ari Friberg 2,3 ; 1 Tampere Univ. of Technology, Finland; 2 Univ. of Eastern Finland, Finland; 3 Aalto Univ., Finland. Using second-order coherence theory of nonstationary light we show that supercontinuum can be split into quasi-coherent and quasi-stationary parts. Our results opens the route for a universal definition of the coherence degree for broadband sources. Reminder: CLEO: 2011 Program now available in mobile formats! Visit www.cleoconference.org for more information. 96 CLEO: 2011 • 1–6 May 2011
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Tuesday, 3 May 2011 - CLEO

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