Tuesday, 3 May 2011 - CLEO

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Room 315 Room 316 Room 317 CLEO: Science & Innovations CLEO: QELS- Fundamental Science CLEO: Science & Innovations CTuT • Few-Cycle Infrared— Continued QTuO • Spin Coherence— Continued CTuU • Ultraviolet LEDs: Science and Innovation—Continued CTuT2 • 17:00 Sub-millijoule CEP stable 1.6 cycle laser pulses at 1.8 micron, François Légaré 1 , Bruno E. Schmidt 1,2 , Andrew D. Shiner 2 , Philippe Lassonde 1 , David M. Villeneuve 2 , Jean-Claude Kieffer 1 , Paul B. Corkum 2 ; 1 EMT, INRS, Canada; 2 NRC/Univ. of Ottawa, Canada. We report sub-mJ carrier envelope phase (CEP) stable 1.6 cycle pulses at 1.8µm. With those pulses, we have obtained 160eV cut-off in argon at an intensity of 1.4×10 14 W/cm 2 using the process of high harmonic generation. QTuO5 • 17:00 Invited Spin self-rephasing and very long coherence times in trapped atomic ensembles, Peter Rosenbusch 1 ; 1 LNE-SYRTE, Observatoire de Paris, CNRS, UMPC, France. The new mechanism of spin self-rephasing is presented, which overcomes spatial inhomogeneities of atomic transitions. Evidence is given for this exchange interaction driven deterministic mechanism that should be observable in many systems. CTuU5 • 17:00 Surface modified structure for photon extraction of UVLED, Yong Sung Kim 1 , Shawn-Yu Lin 1 , Mei-Li Hsieh 3 , Leo J. Schowalter 2 ; 1 Rensselaer Polytechnic Inst., USA, 2 Crystal IS Inc., USA, 3 Natl. Taiwan Normal Univ., Taiwan. Ultra-violet light-emitting diodes (UV-LEDs) fabricated with integrated surface textures show an enhancement of the output power and more directionality of the emitted light, which is in agreement with the calculated results. CTuT3 • 17:15 High-energy, Few-cycle, kHz OPCPA at 2.1 μm Pumped by a Picosecond Cryogenic Yb:YAG Laser, Kyung-Han Hong 1 , Shu-Wei Huang 1 , Jeffrey A. Moses 1 , Xing Fu 1 , Chien-Jen Lai 1 , Franz X. Kaertner 1 ; 1 RLE, MIT, USA. We report on a kHz, mJ-level, ultrabroadband, phase-stable 2.1-μm OPCPA for high-flux water-window high-order harmonic generation. The final stage is pumped by a high-energy, 15-ps cryogenic Yb:YAG CPA laser optically synchronized to the signal. CTuU6 • 17:15 Abnormal polarization switching phenomenonin a-plane Al x Ga 1-x N, Huei-Min Huang 1 , Hung-Hsun Huang 2 , Yuh-Renn Wu 2 , Tien-Chang Lu 1,3 , Hao-chung Kuo 1 , Shing-chung Wang 1 ; 1 Photonics, National Chiao Tung Univ., Taiwan; 2 Electrical Engineering, National Taiwan Univ., Taiwan; 3 Lighting and Energy Photonics, National Chiao Tung Univ., Taiwan. The a-plane Al x Ga 1- xN layers show abnormal optical polarization switching behavior. This phenomenon can be well characterized by the assumption of the lambertianlike radiation pattern and simulated by utilizing the 6×6 k.p model. CTuT4 • 17:30 CEP-preserving, octave-spanning IR OPA using BIBO and 800-nm pump pulses, Nobuhisa Ishii 1,2 , Kenta Kitano 1,2 , Teruto Kanai 1,2 , Shuntaro Watanabe 2,3 , Jiro Itatani 1,4 ; 1 Inst. for Solid State Physics, Univ. of Tokyo, Japan; 2 CREST, Japan Science and Technology Agency, Japan; 3 Research Inst. for Science and Technology, Tokyo Univ. of Science, Japan; 4 PRESTO, Japan Science and Technology Agency, Japan. We report on octave-spanning OPA of IR pulses from 1100 to 2200 nm using BIBO and 800-nm pump. We confirmed that 10-μJ OPA output pulses were CEP-stabilized using an f-to-2f interferometer without spectral broadening. QTuO6 • 17:30 Nuclear Spin Induced Collapse and Revival Shape of Rabi Oscillations of a Single Electron Spin in Diamond, Xinyu Pan 1 ; 1 Inst. of Physics, Chinese Academy of Sciences, China. We report Rabi beatings induced by host nitrogen nuclear spin of a single Nitrogen-Vacancy center in diamond. Different orientation of host nuclear spin leads to a triplet splitting of the transition between two spin states. CTuU7 • 17:30 Impurities and conductivity control in Al-rich AlGaN alloys, Rajendra Dahal 1 , Jing Li 1 , Ashok Sedhain 1 , Bed Pantha 1 , Jingyu Lin 1 , Hongxing Jiang 1 ; 1 Electrical and Computer Engineering, Texas Tech Univ., USA. We report on the growth, doping and optical and transport properties of p-type Al rich AlGaN layers optimized for DUV emitter structures. Benefits of using AlN epi-templates in DUV emitter structures will also be elaborated. Tuesday, 3 May NOTES ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Concurrent sessions are grouped across four pages. Please review all four pages for complete session information. 117
Room 327 Room 336 Room 337 Room 338 CLEO: Science & Innovations CLEO: Applications & Technology CLEO: Science & Innovations CTuV • Laser Locking and Beam Combining—Continued ATuF • Lasers for Government National Science and Security Applications—Continued CTuW • Nonlinear or Plasmonic Components—Continued CTuX • Raman or Brillouin Conversion and Applications— Continued CTuV5 • 17:00 Ultralow Noise, Etalon Stabilized, 10 GHz Optical Frequency Comb Based on a Slab-Coupled Waveguide Amplifier, Josue Davila-Rodriguez 1 , Ibrahim Ozdur 1 , Charles Williams 1 , Dimitrios Mandridis 1 , Peter J. Delfyett 1 , Jason Plant 2 , Paul Juodawlkis 2 ; 1 CREOL, The College of Optics and Photonics, Univ. of Central Florida, USA; 2 Lincoln Lab, Massachusetts Inst. of Technology, USA. A 10 GHz mode-locked laser based on a Slab-Coupled Optical Waveguide Amplifier with an intra-cavity etalon is presented. The timing jitter is ~2.3 fs (10 Hz to 100 MHz), the lowest reported to our knowledge. ATuF3 • 17:00 Invited The Intelligence Advanced Research Projects Activity - Its BEST and Beyond, Michael King, IARPA, USA. Update abstract to: IARPA is pursuing innovative ideas and concepts for advancing standoff biometrics technologies. An emphasis is placed on classifying and recognizing unique human phenomenology acquired from significantly greater ranges than today’s commercially available biometrics technology. CTuW5 • 17:00 Hitless Low-Power All-Optical Absorption Based Switching with Organics on Silicon, Taige Hou 1 , Henry Wen 1 , Onur Kuzucu 1 , Joel Hales 2 , Stephen Barlow 2 , Joseph W. Perry 2 , Sei-Hum Jang 3 , Seth R. Marder 2 , Alex K.-Y. Jen 3 , Alexander L. Gaeta 1 , Michal Lipson 1 ; 1 Cornell, USA; 2 Georgia Tech, USA; 3 Univ. of Washington, USA. We demonstrate all-optical switching of a silicon ring-resonator using two photon absorption of engineered organic materials. We show hitless switching of 7dB change in extinction with power dissipation of 400 fJ/op. CTuX5 • 17:00 On-chip stimulated Brillouin scattering, Ravi Pant 1,4 , Christopher G. Poulton 2,4 , Hannah MacFarlane 1,4 , Luc Thevenaz 5 , Duk-Yong Choi 3,4 , Steve J. Madden 3,4 , Barry Luther-Davies 3,4 , Ben Eggleton 1,4 ; 1 School of Physics, Univ. of Sydney, Australia; 2 School of Mathematical Sciences, Univ. of Technology Sydney, Australia; 3 Laser Physics Centre, Australian National Univ., Australia; 4 Centre for Ultrahigh bandwidth Devices for Optical Systems, CUDOS, Australia; 5 Inst. of Electrical Engineering, Ecole Polytechnique Federale de Lausanne, Switzerland. We report the first demonstration of on-chip stimulated Brillouin scattering (SBS). The measured Brillouin shift and line width are ~7.7 GHz and 6 MHz in a 7 cm long chalcogenide waveguide. Tuesday, 3 May CTuV6 • 17:15 Comparison of Comb-line Generation from InGaAsP/InP Integrated Ring Mode-locked Lasers, John Parker 1 , Pietro Binetti 1 , Ashish Bhardwaj 1 , Robert Guzzon 1 , Erik Norberg 1 , Yung-Jr Hung 2 , Larry Coldren 1 ; 1 Electrical and Computer Engineering, Univ. of California, USA; 2 Electronic Engineering, National Taiwan Univ. of Science and Technology, Taiwan. We compare comb-line generation from a 30 GHz gain flattened ring mode-locked laser and two standard 30 GHz ring mode-locked lasers. The gain flattened ring has a 1.32 THz spectral width whereas the other devices have 420 and 630 GHz spectral widths. CTuV7 • 17:30 100-GHz channel spacing and O-band quantum dot optical frequency comb generator with interference injection locking technique, Naokatsu Yamamoto 1 , Yuki Yoshioka 2 , Kouichi Akahane 1 , Tetsuya Kawanishi 1 , Hideyuki Sotobayashi 3,1 , Hiroshi Takai 2 ; 1 National Inst. of Information and Communications Technology, Japan; 2 Tokyo Denki Univ., Japan; 3 Aoyama Gakuin Univ., Japan. An O-band multiple-wavelength light source with 100-GHz channel spacing was successfully demonstrated for the WDM light source using a single quantum dot optical frequency comb laser with an interference injection locking technique. ATuF4 • 17:30 2D 3D Face Imaging for Stand-off Biometric Identification, Brian C. Redman 1 , Steve J. Novotny 1 , Taylor Grow 1 , Van Rudd 1 , Nathan Woody 1 , Michael Hinckley 1 , Paul McCumber 1 , Nathan Rogers 1 , Michael Hoening 1 , Kelli Kubala 1 , Scott Shald 1 , Radek Uberna 1 , Tiffanie D’Alberto 1 , Thomas Hoft 2 , Russell Sibell 3 , Frederick W. Wheeler 4 ; 1 Lockheed Martin Coherent Technologies, USA; 2 Department of Mathematics, Tufts Univ., USA; 3 SIBELLOPTICS, USA; 4 GE Global Research, USA. We developed and tested a Fourier Transform Profilometry, 2D 3D face imager operating with subjects moving at ≤1.5 m/s at ≤25-m range with
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Tuesday, 3 May 2011 - CLEO

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