Room 340 Room 341 Rooms 328-329<strong>CLEO</strong>CMT • THz Spectroscopy andDynamics—ContinuedCMU • Nonlinear Optics inGases—ContinuedCMV • Quantum Dot Lasers II—ContinuedCMU5 • 11:15 a.m.Measurements and Calculations of Two-BeamCoupling in Air, Aaron Bernstein, Matthew W.McCormick, Gilliss M. Dyer, James C. Sanders,Todd Ditmire; Univ. of Texas at Austin, USA. Weperformed experiments demonstrated an effectiveenergy-exchange between filament-formingbeams intersecting in air. Theory considering theimpulsive stimulated Raman response as the relevantnonlinear mechanism reproduces data welland points toward techniques for optimization.CMV4 • 11:15 a.m.Random Population of InAs/GaAs QuantumDots, Ian O’Driscoll, Matt Hutchings, Peter M.Smowton, Peter Blood; Cardiff Univ., UK. Weexperimentally observe truly random to nonthermalto thermal distribution of populationof InAs quantum dots with temperature usingunamplified spontaneous emission and measurethe impact on laser operation.CMT4 • 11:30 a.m.Terahertz Absorption in Non-Polar, Non-Hydrogen-Bonding Liquids, Jonathan P. Laib,Daniel M. Mittleman; Rice Univ., USA. We presentresults from our investigation into the liquidlatticestructures of n-pentane (C 5 H 12 ) throughn-hexadecane (C 16 H 34 ). We observe alternatingabsorption values, at single frequencies, whichare surprising and provide information aboutlong-range correlations in liquids.CMU6 • 11:30 a.m.Efficient Third-Harmonic Generation throughTailored IR Femtosecond Laser Pulse Filamentationin Air, Sergiy Suntsov 1 , DaryoushAbdollahpour 1 , Dimitrios G. Papazoglou 1,2 , SteliosTzortzakis 1 ; 1 Inst. of Electronic Structure and Laser,Foundation for Res. and Technology Hellas, Greece,2Materials Science and Technology Dept., Univ. ofCrete, Greece. Third-harmonic generation duringfilamentation of IR femtosecond laser pulses in airexperiences strong spatial reshaping and conversionenhancement when a thin plasma string createdby another femtosecond pulse is introducedperpendicularly to the filament’s path.CMV5 • 11:30 a.m.Threshold and Temperature Dependence ofQuantum Dot Laser Diodes Approaching IdealPerformance, Abdullah Demir, Gokhan Ozgur,K. Shavitranuruk, Sabine Freisem, Dennis G.Deppe; CREOL, College of Optics and Photonics,Univ. of Central Florida, USA. Low threshold QDlaser with threshold current density
Rooms 318-320 Rooms 321-323 Rooms 324-326 Room 314<strong>CLEO</strong>IQEC1:30 p.m.–3:15 p.m.CMW • Photonic Crystal FiberMing-Jun Li; Corning Inc., USA,Presider1:30 p.m.–3:15 p.m.CMX • Terahertz PhotonicsDaniel Mittleman; Rice Univ.,USA, Presider1:30 p.m.–3:15 p.m.CMY • 10 Years of FrequencyCombs <strong>CLEO</strong> Symposium IIIFranz X. Kaertner; MIT, USA,Presider1:30 p.m.–3:15 p.m.IMG • Nano-Optics and Opto-MechanicsMarko Lončar; Harvard Univ.,USA, PresiderCMW1 • 1:30 p.m. InvitedControlled Dispersion in Photonic CrystalFibres, Jonathan Knight, M. G. Welch, C. E. deNobriga, R. Amezcua Correa; Univ. of Bath, UK.We describe the basic features and state-of-theartin controlling dispersion using hollow-corephotonic bandgap fibers, with application in pulsecompression and delivery. We present spectralmeasurements of group velocity dispersion inseveral different fiber designs.CMX1 • 1:30 p.m. TutorialScientific and Technical Accomplishments ofTHz Photonics, Daniel Grischkowsky; OklahomaState Univ., USA. THz photonics combines opticsand ultrafast lasers with electronics to generatesubps THz pulses. The use of such pulses forscience and technology will be illustrated. Opportunitiesin research and applications will bedescribed.CMY1 • 1:30 p.m. Invited10 Years of Femtosecond Combs in Boulder,Steven Cundiff; JILA, NIST, Univ. of Colorado,USA. Femtosecond combs have been a hot topicin Boulder for the last 10+ years. The first babysteps through the most recent developments willbe surveyed.IMG1 • 1:30 p.m.Cavity-Nano-Optomechanics Using OpticalGradient Fields, Georg Anetsberger 1 , OlivierArcizet 1 , Rémi Rivière 1 , Albert Schliesser 1 , T. J.Kippenberg 1,2 ; 1 Max-Planck-Inst. of QuantumOptics, Germany, 2 École Polytechnique Fédérale deLausanne, Switzerland. We show that evanescentfields of microresonators can be employed forcavity-enhanced high-sensitivity monitoringof nanomechanical motion. This novel schemeopens the path to observing backaction effectsusing optical gradient forces in the resolvedsidebandregime.<strong>Monday</strong>, <strong>June</strong> 1CMW2 • 2:00 p.m.Nonlinear Femtosecond Pulse Propagationin All-Solid Photonic Bandgap Fiber, TadeuszMartynkien 1 , Bertrand Kibler 2 , Christophe Finot 2 ,Julien Fatome 2 , Marcin Szpulak 1 , Jan Wojcik 3 , StefanWabnitz 2 , Waclaw Urbanczyk 1 ; 1 Wroclaw Univ. ofTechnology, Poland, 2 Inst. Carnot de Bourgogne,France, 3 Maria Curie-Sklodowska Univ., Poland.Nonlinear femtosecond pulse propagation inall-solid photonic bandgap fiber is investigatedexperimentally and numerically for both thephotonic bandgap guiding in the central silicacore and the total internal reflection in germaniumdoped inclusions.Daniel R. Grischkowsky is a Regents Professorand the Bellmon Professor of Optoelectronicsat Oklahoma State University. He received hisPh.D. in physics from Columbia University in1968. He then joined the IBM Watson ResearchCenter, where he developed THz time-domainspectroscopy (THz-TDS). In 1993 he relocated toOSU. He is a Fellow of APS, OSA and IEEE. Hewas awarded the Boris Pregel Award for AppliedScience and Technology (1985) by the New YorkAcademy of Sciences, the R.W. Wood Prize fromOSA (1989), and the William F. Meggers Awardfrom OSA (2003).CMY2 • 2:00 p.m.Precision Spectroscopy with a Scanning DiodeLaser and Measurement of Microcavity Dispersion,Pascal Del’Haye 1 , Olivier Arcizet 1 , RonaldHolzwarth 1 , Tobias Kippenberg 1,2 ; 1 Max-Planck-Inst.for Quantum Optics, Germany, 2 École PolytechniqueFédérale de Lausanne, Switzerland. We present asimple method that enables fast, broadband spectroscopyat sub-Megahertz resolution over >4 THzbandwidth using a mode-hop-free tunable diodelaser and a frequency comb. This scheme is utilizedto measure microresonator dispersion.IMG2 • 1:45 p.m.Optical Control of Surface-Tension Effects inComplex Nanofluids, Yuval Lamhot 1 , Costa H.Gurgov 1 , Assaf Barak 1 , Mordechai Segev 1 , CarmelRotschild 2 , Meirav Saraf 1 , Efrat Lifshitz 1 , DemetriosChristodoulides 3 ; 1 Technion-Israel Inst. of Technology,Israel, 2 MIT, USA, 3 CREOL, College of Opticsand Photonics, Univ. of Central Florida, USA. Westudy coupling between light and nano-particlesuspensions, through surface-tension effects incapillaries. Increasing light intensity far-awayfrom the interface causes huge changes in the fluidlevel, manifesting optical control over mechanicalproperties of fluids.IMG3 • 2:00 p.m.Three-Dimensional Super-Resolution Single-Molecule Fluorescence Imaging Using a Double-Helix Point Spread Function, Michael A. Thompson1 , Sri Rama Prasanna Pavani 2 , Julie S. Biteen 1 ,Rafael Piestun 2 , W. E. Moerner 1 ; 1 Stanford Univ.,USA, 2 Univ. of Colorado at Boulder, USA. Fluorescenceimaging with resolution ten times betterthan the diffraction limit in three dimensions overa depth of field of 2 µm is demonstrated with awidefield microscope that exhibits a double-helixpoint spread function.CMW3 • 2:15 p.m.Optical Fibre with an Aerogel-Filled Core, MichaelD. W. Grogan 1 , Sergio G. Leon-Saval 1,2 , RhysWilliams 1 , Richard England 1 , Tim A. Birks 1 ; 1 Univ.of Bath, UK, 2 Univ. of Sydney, Australia. We filledthe core of hollow-core photonic crystal fibre withsilica aerogel. The filled fibre exhibits a shiftedbandgap and a region of broadband guidance ingood agreement with simulation.CMY3 • 2:15 p.m.Ultrabroad Frequency Comb Spanning 0.4~4.2μm from a Ti:Sapphire Laser by DifferenceFrequency Technique, Hainian Han, YanyingZhao, Qing Zhang, Hao Teng, Zhiyi Wei; Inst.of Physics, CAS, China. An ultrabroadband frequencycomb covered from 400nm to 4.2μm wasdemonstrated by shaping femtosecond Ti:sapphirelaser to enhance the DFG in PPLN crystal, asour best knowledge it is the broadest comb withmonolithic scheme.IMG4 • 2:15 p.m.Optical Nanofibers for Probing Cold Atoms,Michael M. Morrissey 1,2 , Kieran Deasy 1,2 , LauraRussell 2,3 , Amy Watkins 2,3 , Síle Nic Chormaic 2,3 ;1Cork Inst. of Technology, Ireland, 2 Tyndall Natl.Inst., Ireland, 3 Univ. College Cork, Ireland. Wepresent a technique for measuring characteristicsof cold atoms by monitoring the spontaneousemission coupled into guided modes of a nanofiber.We show the fiber is very sensitive to atomsclose to its surface.64<strong>CLEO</strong>/IQEC and PhotonXpo <strong>2009</strong> • May 31–<strong>June</strong> 5, <strong>2009</strong>
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