CLEO: QELS-Fundamental Science Tuesday, 11 June

Meeting Room211D-BMeeting Room212A-CMeeting Room212D-BMarriott San JoseSalon I & IICLEO: Science& InnovationsJOINTCLEO: Science& Innovations08:15–10:00 Plenary and Awards Session I, Civic Auditorium10:00–11:00 Coffee Break (10:00–10:30) and Unopposed Exhibit Only Time, Exhibit Halls 1 and 210:00–17:00 Exhibit Open, Exhibit Halls 1 and 210:30–12:30 Market Focus Session I: Industrial Laser Outlook and Opportunities, Exhibit Hall 211:00–13:00CTu1I • Optical FrequencyCombsPresider: Brian Washburn;Kansas State University, UnitedStates11:00–13:00JTu1J • Terahertz QuantumCascade LasersPresider: Peter Jepsen; DanmarksTekniske Universitet, Denmark11:00–13:00CTu1K • High Power FiberLasersPresider: Akira Shirakawa;University of Electro-Communications, Japan11:00–13:00CTu1L • Photonic Integrationand InterconnectsPresider: J. Stewart Aitchison,University of Toronto, CanadaTuesday, 11 JuneCTu1I.1 • 11:00400-nm-Spanning Astro-Comb Directly Generatedfrom Synthesized Pump Pulse withRepetition Rate of 12.5 GHz, Ken Kashiwagi 1 ,Shota Suzuki 1 , Yoichi Tanaka 1 , Takayuki Kotani 2 ,Jun Nishikawa 2 , Hiroshi Suto 2 , Motohide Tamura 2 ,Takashi Kurokawa 1 ; 1 Tokyo Univ of Agriculture andTechnology, Japan; 2 National Astronomical Observatoryof Japan, Japan. We successfully generateda 12.5-GHz-spacing astro-comb ranging over 400nm from 1350 to 1750 nm. A synthesized pulsewhose repetition rate directly linked to the spacingwas compressed for nonlinearity enhancement andbroad astro-comb generation.CTu1I.2 • 11:15A broadband green astro-comb for sub-10 cm/scalibration on astrophysical spectrographs,Chih-Hao Li 1 , Alexander G. Glenday 1 , NicholasLangellier 2 , Alexander Zibrov 1 , Guoqing Chang 3 ,Li-Jin Chen 4 , Gabor Furesz 1 , Franz X. Kaertner 3,5 ,David F. Phillips 1 , Dimitar Sasselov 1,2 , AndrewSzentgyorgyi 1 , Ronald L. Walsworth 1,2 ; 1 Harvard-Smithsonian Center, USA; 2 Physics, HarvardUniversity, USA; 3 Research Laboratory for Electronics,Massachusetts Institute of Technology, USA;4Idesta Quantum Electronics LLC, USA; 5 Centerfor Free-Electron Laser Science, DESY, Universityof Hamburg, Germany. We report development ofan astro-comb providing >7000 lines spaced by 16GHz from 500-620 nm. A characterization with anFTS shows it can provide sub-10 cm/s calibrationaccuracy of astrophysical spectrographs performingexo-Earth searches.JTu1J.1 • 11:00 InvitedRoom-temperature Quantum Cascade LaserSources of Terahertz Radiation, Mikhail A.Belkin 1 , karun vijayraghavan 1 , Yifan Jiang 1 ,Aiting Jiang 1 , Frederic Demmerle 2 , GerhardBoehm 2 , Markus-Christian Amann 2 ; 1 Electricaland Computer Engineering, University of Texas atAustin, USA; 2 Walter Schottky Institute, TechnicalUniversity of Munich, Germany. The developmentof room-temperature mass-producible 1-5terahertz sources based on efficient intra-cavityfrequency mixing in Mid-infrared quantum cascadelasers will be discussed. Best devices provideover 0.1mW of terahertz output with over 0.4mW/W 2 conversion efficiency.CTu1K.1 • 11:00On the Effective Ion Lifetime in Fiber Amplifiers,Henrik Tünnermann 1,2 , Jörg Neumann 1,2 ,Dietmar Kracht 1,2 , Peter Wessels 1,2 ; 1 Laser ZentrumHannover e.V., Germany; 2 Centre for QuantumEngineering and Space-Time Research - QUEST,Germany. The effective ion lifetime is the mostimportant quantity describing the temporaldynamics in a fiber amplifier. We show a fibercharacterization method which allows us to deriveit from output and residual pump power.CTu1K.2 • 11:15Power and energy scaling of ultrafast fibersystems using chirped and divided pulse amplificationfor high end applications, YoannZaouter 1 , Florent Guichard 1,2 , Louis Daniault 2 ,Marc Hanna 2 , Franck Morin 1 , Clemens Hönninger1 , Robert Braunschweig 1 , Eric Mottay 1 ,Frédéric Druon 2 , Patrick Georges 2 ; 1 AmplitudeSystemes, France; 2 Laboratoire Charles Fabry, Institutd’Optique, CNRS, Université Paris-Sud, France.We implemented for the first time both chirpedpulse and divided pulse amplification in the samefemtosecond fiber amplifier setup leading to thegeneration of 430 µJ, 320 fs pulses at 100 kHz.CTu1L.1 • 11:00Monolithically Integrated Photonic SwitchesDriven by Digital CMOS, Benjamin G. Lee 1 , WilliamM. Green 1 , Alexander V. Rylyakov 1 , SolomonAssefa 1 , Marwan H. Khater 1 , Tymon Barwicz 1 ,Carol Reinholm 1 , Edward Kiewra 1 , Steven M.Shank 2 , Clint L. Schow 1 , Yurii A. Vlasov 1 ; 1 IBMResearch, T. J. Watson Research Center, USA; 2 IBMSystems & Technology Group, Microelectronics Division,USA. We demonstrate a 1×2 ring resonatorswitch and a 2×2 Mach Zehnder switch, monolithicallyintegrated with digital CMOS driversin IBM’s proprietary 90-nm photonics-enabledCMOS process. Static and dynamic performancemetrics are characterized.CTu1L.2 • 11:15Integrated Linewidth Reduction of a TunableSG-DBR Laser, Abirami Sivananthan 1 , Hyun-chulPark 1 , Mingzhi Lu 1 , John S. Parker 1 , Eli Bloch 2 ,Leif Johansson 1 , Mark Rodwell 1 , Larry Coldren 1 ;1Electrical and Computer Engineering, University ofCalifornia at Santa Barbara, USA; 2 Electrical Engineering,Technion - Israel Institute of Technology,Israel. We demonstrate frequency noise suppressionof a widely tunable sampled-grating DBR laserusing negative feedback from a Mach-Zehnderfrequency discriminator integrated on the sameInGaAsP/InP chip. The 3-dB laser linewidth isnarrowed from 19 MHz to 570 kHz.CTu1I.3 • 11:305.2-GHz, Kerr-lens mode-locked Yb:Lu 2 O 3ceramic laser for comb-resolved broadbandspectroscopy, Mamoru Endo 1,3 , Akira Ozawa 1,3 ,Takashi Sukegawa 2 , Yohei Kobayashi 1,3 ; 1 Institutefor Solid State Physics, The University of Tokyo,Japan; 2 Corporate R&D Headquarters, Canon Inc,Japan; 3 Exploratory Research for Advanced Technology(ERATO), Japan. We developed a laser-diodepumped, multi-GHz repetition rate, Yb:Lu 2 O 3ceramic Kerr-lens mode-locked laser with a pulseduration of 165 fs. Each longitudinal mode wasresolved by using home-made, ultra-high resolutiongrating spectrometer.JTu1J.2 • 11:30Terahertz Quantum-Cascade Lasers based onComposite Right/Left-Handed Metamaterials,Amir Ali Tavallaee 1,2 , Philip Hon 1 , Qi-ShengChen 3 , Tatsuo Itoh 1 , Benjamin Williams 1,2 ; 1 ElectricalEngineering, University of California at LosAngeles, USA; 2 California Nanosystems Institute,USA; 3 Aerospace systems, Northrop Grumman,USA. A composite right/left-handed metamaterialwaveguide for terahertz quantum-cascade lasers ispresented. Left handed propagation is confirmedby using the waveguide as a leaky-wave antennawhere directional beams at angles of −4 and −63are experimentally observed at 2.59 and 2.48THz, respectively.CTu1K.3 • 11:30Completely Monolithic Ytterbium FiberChirped Pulse Amplifier, Aart Verhoef 1 , ThomasV. Andersen 2 , Tobias Flöry 1 , Lingxiao Zhu 1 , AlmantasGalvanauskas 3 , Andrius Baltuska 1 , AlmaFernández 1 ; 1 Institut für Photonik, TechnischeUniversität Wien, Austria; 2 NKT Photonics A/S,Denmark; 3 Center for Ultrafast Optical Science,University of Michigan, USA. We present a completelymonolithic Yb-fiber chirped pulse amplifierthat uses a dispersion matched fiber stretcherand hollow core photonic bandgap compressorfiber. The output pulses are compressed to almostFourier limited duration.CTu1L.3 • 11:30Low-Energy, Scalable Hybrid Crosspoint SwitchDesign, Qixiang Cheng 1 , Adrian Wonfor 1 , KaiWang 1 , Vojtech F. Olle 1 , Richard Penty 1 , Ian H.White 1 ; 1 Engineering, University of Cambridge,United Kingdom. A hybrid crosspoint switchcombining MZI and SOA components is proposed,which for a 2x2 port switch primitive implementationexhibits crosstalk of -46dB. This architecturemakes port count up to 64x64 feasible.94 CLEO: 2013 • 9–14 June 20132013CLEO Tuesday.indd 35/17/13 3:10 PM