Tuesday, 3 May 2011 - CLEO

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Room 339 Room 340 Room 341 CLEO: Science & Innovations JOINT CTuR • Advances in III-V Lasers—Continued JTuG • Photoacoustic Imaging & Microscopy—Continued JTuH • Laser Direct Write Fabrication—Continued CTuR2 • 14:45 Invited Recent Progress and Future Prospects in Quantum Cascade Lasers, Claire F. Gmachl, Princeton Univ., USA. The Quantum Cascade lasers’ strengths are their wavelength tailorability, high performance and fascinating design potential. We will discuss recent highlights, such as high efficiency and single-mode operation, artificially broadened gain, and novel unconventional laser schemes. JTuG2 • 14:45 Development of Transient Absorption Ultrasonic Microscopy, Ryan L. Shelton 1 , Brian E. Applegate 1 ; 1 Biomedical Engineering, Texas A&M Univ., USA. We have developed a novel hybrid imaging modality that integrates nonlinear absorption with photoacoustic detection to achieve high resolution absorption imaging. Basic principles and recent progress will be discussed. JTuG3 • 15:00 Vibrational Photoacoustic Microscopy for Depth-resolved Bond-selective Imaging of Tissues and Organisms, Han-Wei Wang 1 , Ning Chia 1 , Song Hu 2 , Wei Dou 1 , David Umulis 1 , Lihong V. Wang 2 , Michael Sturek 3,1 , Robert Lucht 1 , Ji-Xin Cheng 1 ; 1 Purdue Univ., USA; 2 Washington Univ., St. Louis, USA; 3 Indiana Univ. School of Medicine, USA. We realize vibrational photoacoustic microscopy using molecular excitation of overtone vibration and acoustic detection of the resultant pressure transients and demonstrate label-free 3-D imaging in atherosclerosis tissues and in living organisms. JTuH4 • 14:45 Experimental and Numerical Study of the Laser-Induced Printing of Liquid Materials, Matt Brown 1 , Craig B. Arnold 1 , Yiannis Ventikos 2 ; 1 Mechanical and Aerospace Engineering, Princeton Univ., USA; 2 Department of Engineering Science, Univ. of Oxford, UK. We present a numerical and experimental study of laser-induced jetting behavior associated with direct-write printing of liquids using a polymer absorbing layer. We focus on the limits of minimum material transfer that can be achieved. JTuH5 • 15:00 Laser Metal Deposition of Steel Components using Machining Waste as Build Material, Khalid Mahmood 1 , Ashfaq Khan 1 , Andrew Pinkerton 1 , 1 School of MACE, Univ. of Manchester, UK.. Gas atomised metal powders are generally used in laser cladding. However, costly new powders prompt the use of machining swarf as an alternative build material. This paper reports on this investigation and establishes its feasibility. CTuR3 • 15:15 Helically Propagating Modes in InGaAs Nanoneedle Lasers Grown on Poly-Silicon and Silicon Substrates, Thai-Truong Tran 1,2 , Roger Chen 2 , Kar Wei Ng 2 , Wai Son Ko 2 , Fanglu Lu 2 , Connie J. Chang- Hasnain 1,2 ; 1 Applied Science and Technology Group, Univ. of California, Berkeley, USA; 2 Department of Electrical Engineering and Computer Sciences, Univ. of California, Berkeley, USA. InGaAs nanoneedle lasers were grown on both, polycrystalline-Si and (100)-Si substrates by low temperature (400 °C) MOCVD. Measured near field mode patterns agree well with FDTD simulations, confirming helically propagating modes as lasing modes. JTuG4 • 15:15 Chemically-Specific Photoacoustic Imaging using Vibrational Raman Excitation, Vladislav Yakovlev 1 , Hao Zhang 2 , Georgi Petrov 1 , Gary Noojin 3 , Michael Denton 3 , Robert Thomas 4 , Marlan O. Scully 5,6 ; 1 Univ. of Wisconsin - Milwaukee, USA; 2 Northwestern Univ., USA; 3 Northrop Grumman, USA; 4 U.S. Air Force Research Lab, USA; 5 Texas A&M Univ., USA; 6 Princeton Univ., USA. We demonstrate, for the first time, molecular contrast imaging in deep tissue by successfully combining chemically-selective, stimulated Raman photoexcitation with high-frequency ultrasound detection. JTuH6 • 15:15 The Evanescent Interaction of an Ultrafast Laser Inscribed Optical Waveguide, Stephen J. Beecher 1 , Robert R. Thomson 1 , Ajoy K. Kar 1 ; 1 EPS, Heriot-Watt Univ., UK. Ultrafast laser inscription has been used to produce an optical waveguide evanescent field sensor. Fabricated in a single step and exhibiting an insertion loss of 2.6 dB, the device had a visibility of 3.7 dB. 14:00–16:00 Market Focus: Meeting Clinical Needs with Photonics, Exhibit Hall F, 100 Level Tuesday, 3 May 15:30–16:00 Coffee Break, Exhibit Halls E and F, 100 Level NOTES ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Concurrent sessions are grouped across four pages. Please review all four pages for complete session information. 111
Room 318-320 Room 321-323 Room 324-326 Room 314 CLEO: QELS- Fundamental Science CLEO: Science & Innovations CLEO: QELS- Fundamental Science 16:00–17:45 QTuL • Exciton and Carrier Dynamics in Nanophotonic Systems Ahmet Yanik, Boston Univ., USA, Presider 16:00–17:45 CTuS • Mid-Infrared and Nonlinear Devices Michael Hochberg, Univ. of Washington, USA, Presider 16:00–17:45 QTuM • Metatronics and Transformation Optics Tolga Ergin, Karlsruhe Inst. of Technology, Germany, Presider 16:00–17:45 QTuN • Ultrafast Structural Dynamics and Collective Phenomena Jean-Yves Bigot, Univ. of Strasbourg - CNRS, France, Presider QTuL1 • 16:00 All-Semiconductor Plasmonic System in Mid Infrared Range, Debin Li 1 ; 1 Electrical Engineering, Arizona State Univ., USA. The feasibility of an all-semiconductor plasmonic structure is studied using highly doped InAs for Mid infrared (MIR) wavelength range. We proposed an allsemiconductor active plasmonic system on-a-chip with integrated plasmonic source, waveguide, and detector. CTuS1 • 16:00 Generation of a Telecom-to-mid-infrared Spanning Supercontinuum Using Siliconon-insulator Wire Waveguides, Bart Kuyken 1 , Xiaoping Liu 2 , Richard M. Osgood 2 , Yurii A. Vlasov 3 , Roel Baets 1 , Gunther Roelkens 1 , William M. Green 3 ; 1 PRG-imec, Ghent Univ., Belgium; 2 Microelectronics Sciences Laboratories, Columbia Univ., USA; 3 IBM T. J. Watson Research Center, USA. We demonstrate an ultra-broadband optical supercontinuum extending from 1.53µm up to 2.55µm, generated in a dispersion-engineered silicon photonic wire. The supercontinuum is generated using low power mid-infrared picosecond pump pulses at 2.12µm. QTuM1 • 16:00 Tutorial Optical Metatronics, Nader Engheta 1 ; 1 Department of Electrical and Systems Engineering, Univ. of Pennsylvania, USA. Metamaterial structures provide suitable platforms for unifying the concepts of electronics, photonics, and magnetics. In this tutorial, I give an overview of the fundamental concepts, recent developments, and future directions in the field of metatronics. QTuN1 • 16:00 Femtosecond x-ray powder diffraction on KDP, Flavio Zamponi 1 , Philip Rothhardt 1 , Johannes Stingl 1 , Michael Woerner 1 , Thomas Elsaesser 1 ; 1 Max Born Inst., Germany. Ultrafast photoinduced changes of crystal structure and charge distributions in potassium dihydrogen phosphate (KDP), KH 2 PO 4 , are mapped by femtosecond x-ray powder diffraction. The formation of HPO 4 − and H 3 PO 4 − defects is revealed. Tuesday, 3 May QTuL2 • 16:15 Ultracompact wavelength-selective siliconbased plasmonic components, Hong Son Chu 1 , Yuriy A. Akimov 1 , Ping Bai 1 , Er-Ping Li 1 , Wolfgang R. Hoefer 1 ; 1 Electronics and Photonics, A*STAR- Inst. of High Performance Computing, Singapore. High performance of a ring resonator and adddrop multiplexer with ultrasmall ring radius and sub-wavelength confinement area is reported. It has been achieved using the silicon-based hybrid dielectric-loaded plasmonic waveguide approach. QTuL3 • 16:30 Broadband Electrical Permittivity of Gold for Plasmonics and Nano-Optics Applications, Glenn D. Boreman 2 , Timothy Johnson 3 , Andrew C. Jones 1 , Sang-Hyun Oh 3 , Robert Olmon 1 , Markus B. Raschke 1 , David Shelton 2 , Brian Slovick 2 ; 1 Department of Physics, and JILA, Univ. of Colorado, USA; 2 Center for Research and Education in Optics and Lasers, Univ. of Central Florida, USA; 3 Department of Electrical and Computer Engineering, Univ. of Minnesota, USA. We measure the permittivity of bulk and film gold samples by spectroscopic ellipsometry from 200 nm to 20 μm, resolving inconsistencies on plasmon resonances, lifetime, and SPP propagation associated with imprecise current literature values. CTuS2 • 16:15 Mid-Infrared Broadband Modulation Instability and 50 dB Raman Assisted Parametric Gain in Silicon Photonic Wires, Xiaoping Liu 1 , Bart Kuyken 2 , Gunther Roelkens 2 , Roel Baets 2 , Yurii A. Vlasov 3 , Richard M. Osgood 1 , William M. Green 3 ; 1 Department of Electrical Engineering, Columbia Univ., USA; 2 Photonic Research Group, Department of Information Technology, Ghent Univ. - IMEC, Belgium; 3 IBM T. J. Watson Research Center, USA. We demonstrate broadband modulation instability, > 40 dB parametric amplification with on-chip gain bandwidth > 580 nm, and narrowband Raman-assisted peak on-chip gain exceeding 50 dB, using mid-infrared dispersion-engineered si nanophotonic wires. CTuS3 • 16:30 Low propagation loss silicon-on-sapphire integrated waveguides for the mid-infrared, David Moss 1 ; 1 Sydney Univ., Australia. We report low loss silicon-on-sapphire nanowires for applications to mid infrared optics. We achieve propagation losses of < 1dB/cm at 1550nm and < 2dB/cm at 5.08 μm. Nader Engheta is the H. Nedwill Ramsey Professor of Electrical and Systems Engineering and Professor of Bioengineering at the Univ. of Pennsylvania. He received his Ph.D. from Caltech. Selected as one of the Scientific American magazine 50 Leaders in Science and Technology in 2006 for developing the concepts of optical lumped nanocircuits, he is a Guggenheim Fellow, an IEEE Third Millennium Medalist, Fellow of IEEE, OSA, APS, and of American Association for the Advancement of Science (AAAS), and the recipient of the 2008 George H. Heilmeier Award for Excellence in Research, Fulbright Naples Chair Award, UPS Foundation Distinguished chair, NSF Presidential Young Investigator award, and several teaching awards. QTuN2 • 16:15 Paper Withdrawn QTuN3 • 16:30 Coherent phonons in polycrystalline bismuth film monitored by ultrafast electron diffraction, Aleksey Bugayev 1 , Mahmoud Abdel-Fattah 1,2 , Ahmed Esmail 1,2 , Hani E. Elsayed-ali 1,2 ; 1 Applied Research Center, USA; 2 Old Dominion Univ., USA. The coherent phonons in polycrystalline bismuth film are studied by ultrafast time-resolved electron diffraction from the (110), (202), and (024) lattice planes. QTuL4 • 16:45 Space-and-Time-Resolved Spectroscopy of Single GaN Nanowires, Prashanth C. Upadhya 1 , Julio A. Martinez 2 , Qiming Li 2 , George T. Wang 2 , Brian S. Swartzentruber 2 , Antoinette J. Taylor 1 , Rohit P. Prasankumar 1 ; 1 Center for Integrated Nanotechnologies, Los Alamos National Lab, USA; 2 Center for Integrated Nanotechnologies, Sandia National Lab, USA. Spatially-resolved ultrafast transient absorption measurements on a single GaN nanowire give insight into carrier relaxation dynamics as a function of the laser polarization and position on the nanowire on a femtosecond timescale. CTuS4 • 16:45 Toothed Mid-Infrared Metal-Insulator-Metal Waveguides, Kevin Anglin 1 , David Adams 1 , Troy Ribaudo 1 , Dan Wasserman 1 ; 1 Physics, Univ. of Massachusetts Lowell, USA. We fabricate subwavelength varying periodicity toothed metal-insulator-metal waveguides for mid-IR frequencies. The transmission spectra of these structures for TM and TE polarized light is studied, and our results compared to numerical simulations. QTuN4 • 16:45 Generation and Detection of Very Short- Wavelength Surface Acoustic Waves at Nanointerfaces, Qing Li 1 , Kathleen Hoogeboom-Pot 1 , Mark Siemens 2 , Margaret M. Murnane 1 , Henry C. Kapteyn 1 , Ronggui Yang 3 , Erik H. Anderson 4 , Olav Hellwig 5 , Bruce Gurney 5 , Keith A. Nelson 6 ; 1 Department of Physics and JILA, Univ. of Colorado, USA; 2 Department of Physics and Astronomy, Univ. of Denver, USA; 3 Department of Mechanical Engineering, Univ. of Colorado, USA; 4 Center for X-Ray Optics, Lawrence Berkeley National Lab, USA; 5 Hitachi Global Storage Technologies, USA; 6 Department of Chemistry, Massachusetts Inst. of Technology, USA. Using an ultrafast laser to excite 2D nanostructures, and coherent extreme ultraviolet light to detect the resulting acoustic response, we observe and characterize the shortest-wavelength (35 nm) surface acoustic waves to date. 112 CLEO: 2011 • 1–6 May 2011
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Tuesday, 3 May 2011 - CLEO

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