CLEO: QELS-Fundamental Science Tuesday, 11 June

Executive Ballroom210HExecutive Ballroom210GExecutive Ballroom210FExecutive Ballroom210ECLEO: Science& Innovations14:00–16:00CTu2E • NLO in FibersPresider: Goëry Genty; TampereUniversity of Technology, Finland14:00–16:00CTu2F • Silicon PhotonicModulatorsPresider: Jessie Rosenberg; IBM T.J. Watson Research Center, UnitedStates14:00–16:00CTu2G • Microwave Photonics IPresider: Li Qian, University ofToronto, Canada14:00–16:00CTu2H • Measurements inExtreme EnvironmentsPresider: Thomas Reichardt;Sandia National Labs, UnitedStatesCTu2E.1 • 14:00Two Schemes for Pulse Compression in Gas-Filled Kagomé-PCF, Ka Fai Mak 1 , John C. Travers1 , Nicolas Y. Joly 2,1 , Amir Abdolvand 1 , PhilipRussell 1,2 ; 1 Max Planck Institute for the Science ofLight, Germany; 2 Department of Physics, Universityof Erlangen-Nuremberg, Germany. Two schemesfor multi-μJ pulse compression in noble-gasfilledhollow-core kagomé-PCF are demonstratedand compared. A fiber-plus-chirped-mirrorcombination compresses 150 fs, 9.5 μJ pulses to26 fs, and soliton-effect compression producessub 7 fs pulses.CTu2E.2 • 14:15Efficient Anti-Stokes Generation via StimulatedRaman Scattering in a H 2 -filled Hollow-CorePCF, Barbara Trabold 1 , Amir Abdolvand 1 , AndreasM. Walser 1 , Philip Russell 1 ; 1 Max PlanckInstitute for the Science of Light, Germany. Forwardstimulated Raman scattering is used to generatea strong anti-Stokes signal in a hydrogen-filledhollow-core photonic crystal fibre (PCF). Phasematchingis achieved using higher-order modesand is controlled with a spatial light modulator.CTu2F.1 • 14:00 InvitedSilicon Optical Modulators for IntegratedTransceivers, Graham T. Reed 1 , David Thomson 1 ,Frederic Y. Gardes 1 , Goran Z. Mashanovich 1 , YoufangHu 1 , Ke Li 1 , P. R. Wilson 1 , L. Zimmermann 2 ,Henri Porte 1 , Bernard Goll 3 , S. W. Chen 5 , S. H.Hsu 6 , Jean-Marc Fedeli 6 , Zimmermann Horst 3 ,K. Debnath 7 , Thomas F. Krauss 8 , L. O’Faolain 9 ;1University of Southampton, United Kingdom;2Leibniz-Institut für innovative Mikroelektronik,Germany; 3 Vienna University of Technology, Austria;4 Photline Technologies, France; 5 National TsingHua University, Taiwan; 6 CEA LETI, France; 7 Universityof St. Andrews, United Kingdom; 8 Universityof York, United Kingdom; 9 Stanford University, USA.We present modulators developed in the projects“HELIOS”, and “UK Silicon Photonics”, integrationwith modulator driver to produce the firstsilicon modulator fully integrated with BiCMOS,and multiplexed photonic crystal modulators forultra-low power operation.CTu2G.1 • 14:00 InvitedOptical Frequency Combs and Their Applicationin Microwave Photonics and CoherentSignal Processing, Peter J. Delfyett 1 , Josue Davila-Rodriguez 1 , Anthony Klee 1 , Sharad Bhooplapur 1 ,Charles Williams 1 ; 1 Univ. of Central Florida, USA.Optical frequency combs are used as a bank ofcoherent local oscillators for applications in microwavephotonics. We explore coherent opticalsignal processing using parallel architectures inareas of waveform generation, measurement, andmatched filtering.CTu2H.1 • 14:00Crustal Deformation Measurement Usingan Optical Fiber Strain Sensor, qingwen liu 1 ,Tomochika Tokunaga 2 , Zuyuan He 1 ; 1 State KeyLaboratory of Advanced Optical CommunicationSystems and Networks, Shanghai Jiao Tong University,China; 2 Department of Environment Systems,the University of Tokyo, Japan. We report an opticalfiber strain sensor with ultra-high resolution, largemeasurement range and fast response for geophysicalapplications. Crustal deformation causedby ocean tide and by seismic wave was successfullyrecorded in field experiments.CTu2H.2 • 14:15Measurements of Uranium Line Widths andPressure Broadening Coefficients in AtmosphericPressure Laser-Induced Plasmas,Nicholas Taylor 1 , Mark C. Phillips 1 ; 1 Optics andIR Sensors, Pacific Northwest National Laboratory,USA. Absorption spectra of neutral uranium atomsgenerated in a laser-induced plasma are measuredwith tunable diode lasers to determine line widthsand pressure broadening coefficients. Variousbackground gases are examined at pressures from10-760 Torr.CTu2E.3 • 14:30Compact and broadly tunable near-visibleparametric wavelength converter based onpolarization-maintaining photonic-crystal fiber,Robert T. Murray 1 , Edmund J R. Kelleher 1 , SergeiV. Popov 1 , Arnaud Mussot 2 , Alexandre Kudlinski 2 ,James R. Taylor 1 ; 1 Femtosecond Optics Group,Department of Physics, Imperial College London,United Kingdom; 2 Laboratoire de Physique desLasers, Atomes et Molecules (PhLAM), IRCICA,Universite Lille 1, France. We report a PM-PCFbased near-visible parametric wavelength converter,pumped by a diode-seeded master oscillatorpower amplifier. The system is broadly tunable inwavelength (740-810 nm), pulse duration (0.3-2ns) and repetition rate (1-30 MHz).CTu2F.2 • 14:30Vertical Junction Silicon Microdisk Modulatorwith Integrated Thermal Tuner, ErmanTimurdogan 1 , Cheryl M. Sorace-Agaskar 1 , EhsanS. Hosseini 1 , Gerald Leake 2 , Douglas D. Coolbaugh2 , Michael R. Watts 1 ; 1 Research Laboratory ofElectronics, Massachusetts Institute of Technology,USA; 2 College of Nanoscale Science & Engineering,University at Albany, USA. We demonstrate anapproach to integrate the most efficient thermaltuner (4.9-µW/GHz) into a microdisk modulatorwithout sacrificing junction area for the first time.The 6-um diameter modulator achieves low-power(11-fJ/bit) and high-speed (13-Gb/s) operation.CTu2G.2 • 14:30Microwave generation using an integratedhybrid silicon mode-locked laser in a coupledoptoelectronic oscillator configuration, SUD-HARSANAN SRINIVASAN 1 , Daryl T. Spencer 1 ,Martijn Heck 1 , Erik Norberg 2 , Greg Fish 2 , LukeTheogarajan 1 , John E. Bowers 1 ; 1 Electrical andComputer Engineering, University of California,Santa Barbara, USA; 2 Aurrion Inc., USA. Wedemonstrate the feasibility of using a hybrid siliconmode-locked laser in a coupled optoelectronicoscillator configuration for generating low phasenoise 20 GHz microwave signal. The free-runningoscillator has a 3dB RF linewidth of 14kHz.CTu2H.3 • 14:30An Efficient Frequency-Quadrupling Schemefor Generating Femtosecond UV RadiationNear 200 nm, Waruna Kulatilaka 1 , Sukesh Roy 1 ,James R. Gord 2 ; 1 Spectral Energies LLC, USA;2Aerospace Systems Directorate, Air Force ResearchLaboratory, USA. We design and demonstrate anefficient fourth-harmonic generation scheme forobtaining femtosecond pulses near 200 nm fromthe output of a moderately tunable Ti:sapphireultrafast amplifier. Overall per pulse conversionefficiency of 1.8% is reported.Tuesday, 11 JuneCTu2E.4 • 14:45Nonlinear intermodal interactions in gas-filledhollow-core photonic crystal fibre, FrancescoTani 1 , John C. Travers 1 , Philip Russell 1,2 ; 1 Max-Planck-Inst Physik des Lichts, Germany; 2 Physics,University of Erlangen-Nuremberg, Germany. Theemission of pressure-tunable ultra-violet dispersivewaves into higher-order modes of a gas-filledkagome-PCF is experimentally and numericallydemonstrated. Numerical evidence of a balancebetween Kerr-driven self-focusing and plasmadefocusingis also presented.CTu2F.3 • 14:45Coupling-modulated microrings for DPSKmodulation, Wesley Sacher 1 , William M. Green 2 ,Solomon Assefa 2 , Douglas M. Gill 2 , Tymon Barwicz2 , Marwan H. Khater 2 , Edward Kiewra 3 , CarolReinholm 3 , Steven M. Shank 3 , Yurii A. Vlasov 2 ,Joyce K. Poon 1 ; 1 Electrical and Computer Engineering,University of Toronto, Canada; 2 IBM Thomas J.Watson Research Center, USA; 3 IBM Systems andTechnology Group, Microelectronics Division, USA.A coupling-modulated microring in an add-dropconfiguration for DPSK that uses the π phase-flipin a 2x2 Mach-Zehnder interferometer couplerfor the modulation is proposed. The concept isdemonstrated in silicon-on-insulator at 10 Gb/s.CTu2G.3 • 14:45All-optical Pulse Generation based on gaininducedFWM in a semiconductor optical amplifier,Fangxin Li 1 , A. S. Helmy 1 ; 1 ECE, Universityof Toronto, Canada. A novel and simple all opticalpulse generation technique based on gain-inducedFWM in a SOA is demonstrated using chip-baseddevices. Thus far, 10 - 42.5 GHz pulse trains aregenerated with 20 nm tunability.CTu2H.4 • 14:45Role of Saturation of Rotational Raman Transitionon Femtosecond Vibrational CARS, AnilK. Patnaik 1,2 , Sukesh Roy 3 , James R. Gord 1 ; 1 AerospaceSystems Directorate, US Air Force ResearchLaboratory, USA; 2 Physics, Wright State University,USA; 3 Spectral Energies, LLC., USA. Saturation offemtosecond vibrational Raman coherence andcoherent anti-Stokes Raman scattering (CARS)signal in air show drastically different characteristiccompared to nanosecond regime. RotationalRaman saturation is shown to dictate the behaviorof vibrational Raman.Concurrent sessions are grouped across four pages. Please review all four pages for complete session information.1052013CLEO Tuesday.indd 145/17/13 3:10 PM