Monday, June 1, 2009 - CLEO

Rooms 318-320 Rooms 321-323 Rooms 324-326 Room 314CLEOIQEC10:15 a.m.–12:00 p.m.CML • fs Fiber Oscillators IIJeff Nicholson; OFS Labs, USA,Presider10:15 a.m.–12:00 p.m.CMM • Polarization Effects inNitride LEDsMichael Wraback; ARL, USA,Presider10:15 a.m.–12:00 p.m.CMN • 10 Years of FrequencyCombs CLEO Symposium IIKaoru Minoshima; AIST, Japan,Presider10:15 a.m.–12:00 p.m.IMD • Plasmonic Antennas andDevicesNader Engheta; Univ. ofPennsylvania, USA, PresiderCML1 • 10:15 a.m.High Repetition Rate, High Average Power,Femtosecond Erbium Fiber Ring Laser, JonathanL. Morse 1 , Jason W. Sickler 1,2 , Jian Chen 1 , Franz X.Kärtner 1 , Erich P. Ippen 1 ; 1 MIT, USA, 2 SiOnyx, Inc.,USA. A 301 MHz fundamentally mode-lockederbium fiber ring laser generating 108 fs pulsesis demonstrated. Novel combination of gain fiberwith anomalous group-velocity dispersion andintra-cavity silicon with normal group-velocitydispersion yields a stretched-pulse operation.CMM1 • 10:15 a.m. TutorialProgress in the Growth, Characterization andDevice Performance for Nonpolar and SemipolarGaN-Based Materials, James Speck; Univ.of California at Santa Barbara, USA. In this talk,we highlight UCSB work on growth of state-ofthe-artnonpolar and semipolar GaN materialsand devices to avoid deleterious effects due todiscontinuities in spontaneous and piezoelectricpolarization.CMN1 • 10:15 a.m.GHz Yb-Femtosecond-Fiber Laser FrequencyComb, I. Hartl, Hugh A. McKay, R. Thapa, B. K.Thomas, L. Dong, M. E. Fermann; IMRA America,Inc., USA. We deomonstrate a Fabry-Pérot cavity,passively saturable-absorber-modelocked Yb-fiberfemtosecond oscillator with up to 1.04 GHz fundamentalrepetition rate, enabling octave spanningcontinuum generation and self-referenced fCEOstabilization.IMD1 • 10:15 a.m.Semiconductor Lasers with Integrated PlasmonicPolarizers, Nanfang Yu 1 , Qi Jie Wang 1 , ChristianPflügl 1 , Laurent Diehl 1 , Tadataka Edamura 2 ,Sninichi Furuta 2 , Masamichi Yamanishi 2 , HirofumiKan 2 , Federico Capasso 1 ; 1 Harvard Univ., USA,2Central Res. Lab, Hamamatsu Photonics K.K.,Japan. We report control of semiconductor laserpolarization by patterning plasmonic structures onthe laser facet. Linearly-polarized laser emissionalong an arbitrary polarization direction and acombination of linearly- and circularly-polarizedlaser emission are demonstrated.Monday, June 1CML2 • 10:30 a.m.Polarization Maintaining Passively Mode-Locked Er-Doped Ultrashort Soliton Fiber LaserUsing Single Wall Carbon Nanotube PolyimideFilm, Yumiko Seno 1 , Norihiko Nishizawa 1 , YoichiSakakibara 2 , Kazuhiko Sumimura 1 , Emiko Itoga 2 ,Hiromichi Kataura 2 , Kazuyoshi Itoh 1 ; 1 Osaka Univ.,Japan, 2 AIST, Japan. All-polarization maintainingEr-doped ultrashort soliton fiber laser using singlewall carbon nanotube polyimide film and variableoutput coupler is constructed and investigated.A 580 pJ and 46 fs ultrashort pulse is generatedafter compression.CML3 • 10:45 a.m.Self-Similar and Stretched-Pulse Operationof Erbium-Doped Fiber Lasers with CarbonNanotubes Saturable Absorber, Khanh Kieu,Frank W. Wise; Cornell Univ., USA. We reportself-similar and stretched pulse operations in anall-fiber erbium-doped laser using carbon nanotubesaturable absorber, for the first time. Pulsesas short as 115fs are achieved in the stretchedpulseregime.James S. Speck received his B.S.M.E from the Universityof Michigan in 1983. He received his S.M.and Sc.D. at MIT in 1985 and 1989 respectivelyin Materials Science. After a brief post-doctoralstay at MIT, he joined the faculty in the MaterialsDepartment at the Univ. of California at SantaBarbara in 1990 where he is now Professor andDepartment Chair. Speck’s research focuses on therelationship between epitaxial growth, microstructuraland morphological evolution, relationship togrowth and devices. Nearly all of his current workis on GaN-related materials and devices.CMN2 • 10:30 a.m.A Low-Noise, Octave-Spanning Optical FrequencyComb Generated by a Mode-LockedFiber Laser with an Intracavity Electro-OpticModulator, Yoshiaki Nakajima 1,2,3 , Hajime Inaba 2,3 ,Kazumoto Hosaka 2,3 , Atsushi Ihara 2 , Ken-IchiWatabe 2 , Atsushi Onae 2 , Kaoru Minoshima 2 , SakaeKawato 1 , Takao Kobayashi 1 , Toshio Katsuyama 1 ,Feng-Lei Hong 2,3 ; 1 Univ. of Fukui, Japan, 2 Natl. MetrologyInst. of Japan, Japan, 3 CREST, Japan Scienceand Technology Agency, Japan. We demonstratea fast control of an octave-spanning fiber-basedfrequency comb with an intracavity electro-opticmodulator. The servo bandwidth of both repetitionand carrier-envelope offset frequency is greaterthan 200 kHz.CMN3 • 10:45 a.m.Frequency Comb Generation in the XUVRegime Using a Yb-Fiber Laser and AmplifierSystem, Birgitta Bernhardt 1 , Akira Ozawa 1 , RonaldHolzwarth 1 , Thomas Udem 1 , Ioachim Pupeza 1 ,Jens Rauschenberger 1 , Ferenc Krausz 1 , TheodorW. Hänsch 1 , Yohei Kobayashi 2 , Diana Höfling 3 ;1Max-Planck-Inst. for Quantumoptics, Germany,2Inst. for Solid State Physics, Univ. of Tokyo, Japan,3Menlo Systems GmbH, Germany. An Yb-dopedfiber laser and amplifier system is used togetherwith an enhancement cavity for high harmonicgeneration for precision spectroscopy. Higherorder harmonics can be produced in comparisonto systems with Ti:sapphire lasers.IMD2 • 10:30 a.m.Direct UV Near-Field Optical Imaging of aMetallic Nano Bowtie Antenna, LiangchengZhou, Qiaoqiang Gan, Filbert Bartoli, VolkmarDierolf; Lehigh Univ., USA. Direct near-field opticalimaging of a bowtie nano-antenna was observedusing a UV near field scanning optical microscope.A strong localized UV light spot was observed atthe tip of the bowtie structure.IMD3 • 10:45 a.m.Optical Antennas for Vector Near-Field Imaging,Robert L. Olmon 1 , Laxmikant Saraf 2 , Peter M.Krenz 3 , Glenn D. Boreman 3 , Markus B. Raschke 1 ;1Univ. of Washington, USA, 2 Pacific Northwest Natl.Lab, USA, 3 CREOL, Univ. of Central Florida, USA.A new method for nano-engineering the opticalantenna properties of scanning probe tips bycombining focused ion beam milling with nano-CVD is presented. We demonstrate the capabilitiesby probing specific vector-field components ofplasmonic nanostructures.CML4 • 11:00 a.m.A Passively Mode-Locked Femtosecond SolitonFiber Laser at 1.5 μm with a CNT-Doped PolycarbonateSaturable Absorber, Fumio Shohda 1 ,Takafumi Shirato 1 , Masataka Nakazawa 1 , KyojiKomatsu 2 , Toshikuni Kaino 2 ; 1 Res. Inst. of ElectricalCommunication, Tohoku Univ., Japan, 2 Inst.of Multidisciplinary Res. for Advanced Materials,Tohoku Univ., Japan. We report a new 1.5 μmpassively mode-locked fiber laser incorporating aCNT-doped polycarbonate as a polymer saturableabsorber. A 115-fs, 39-MHz soliton pulse wassuccessfully generated with an average outputpower of 3.4 mW.CMN4 • 11:00 a.m.Carrier-Envelope Phase Dynamics of Octave-Spanning Titanium:Sapphire Lasers, MichelleY. Sander, Franz X. Kärtner; MIT, USA. The carrier-envelopephase dynamics of octave-spanningTi:sapphire lasers are analyzed based on a onedimensionallaser. It is found that self-steepeningis the major contributor to the energy dependentcarrier-envelope phase and that center-frequencyshiftsare negligible.IMD4 • 11:00 a.m.Translation of Nanoantenna Field Enhancementby a Metal-Dielectric Composite Superlens,Zhengtong Liu, Mark Thoreson, Alexander V.Kildishev, Vladimir P. Drachev, Vladimir M. Shalaev;Purdue Univ., USA. Our simulations showthat highly localized field enhancement producedby a periodic array of silver nanoantennas canbe translated to the far side of a metal-dielectriccomposite superlens composed of silver and silicacomponents.56CLEO/IQEC and PhotonXpo 2009 • May 31–June 5, 2009