CLEO: QELS-Fundamental Science Tuesday, 11 June

Executive Ballroom210HExecutive Ballroom210GExecutive Ballroom210FExecutive Ballroom210ECLEO: Science& InnovationsCTu2E • NLO in Fibers—ContinuedCTu2F • Silicon PhotonicModulators—ContinuedCTu2G • MicrowavePhotonics I—ContinuedCTu2H • Measurements inExtreme Environments—ContinuedCTu2E.5 • 15:00Two Octaves of Frequency Generation by CascadedIntermodal Nonlinear Mixing in SolidOptical Fiber, Jeffrey Demas 1 , Paul Steinvurzel 1 ,Boyin Tai 1 , Yuhao Chen 1 , Siddharth Ramachandran1 ; 1 Electrical Engineering, Boston University,USA. We generate over two octaves of light inBessel-beam-like fiber modes by pumping inthe LP 06 mode of a custom fiber. Distinct linesare generated in the visible in mode orders thatincrease monotonically from LP 07 at 678 nm toLP 016 at 453 nm.CTu2F.4 • 15:00Design Optimization and Experimental Demonstrationof Low VπL Carrier-Depletion SiliconMach-Zehnder Modulator, Ilya Goykhman 1 ,Boris Desiatov 1 , Shalva Ben-Ezra 2 , Joseph Shappir 1 ,Uriel Levy 1 ; 1 Hebrew University of Jerusalem, Israel;2Fenisar Israel Ltd., Israel. We design, optimize anddemonstrate a highly efficient carrier-depletionsilicon Mach-Zehnder modulator with very lowVπL of ~0.2Vcm. Design consideration, fabricationprocess and experimental results will bepresented.CTu2G.4 • 15:00Radio-Frequency Arbitrary Waveform Generationwith a Programmable SiN Spectral Shaper,Jian Wang 1 , Dennis Lee 1 , Yi Xuan 1 , Li Fan 1 , LeoT. Varghese 1 , Pei-Hsun Wang 1 , Daniel E. Leaird 1 ,Andrew M. Weiner 1 , Minghao Qi 1 ; 1 PurdueUniversity, USA. We demonstrate programmableelectrical waveform generation around 10 GHzfrequency using a SiN microring spectral shaperat both polarizations. Shaping is controlled by ringresonances that may be thermally tuned usingmicro-heaters in ~1 ms.CTu2H.5 • 15:00FDML Raman: High Speed, High ResolutionStimulated Raman Spectroscopy with RapidlyWavelength Swept Lasers, Sebastian Karpf 1 , MatthiasEibl 1 , Wolfgang Wieser 1 , Thomas Klein 1 ,Robert Huber 1 ; 1 Institut für BioMolekulare Optik,Ludwig-Maximilians-Universität, Germany. An allfiber based system for high speed, high resolutionRaman sensing is presented. The system is basedon a wavelength swept Fourier Domain ModeLocked (FDML) laser for the detection of theRaman signal.CTu2E.6 • 15:15Broadband Supercontinuum in As2Se3 Wiresby Suppression of Two-photon Absorption,Alaa Al-kadry 1 , Chams Baker 1 , Mohammed El-Amraoui 2 , Younès Messaddeq 2 , Martin Rochette 1 ;1Electrical and Computer Engineering, McGill University,Canada; 2 COPL, Laval University, Canada.We report the generation of a supercontinuumspanning over 1260-2200 nm in a 10 cm longAs2Se3 wire pumped at 1550 nm, by avoidingthe effects of two-photon absorption normallyobserved at this pump wavelength.CTu2F.5 • 15:15Deposited low temperature silicon GHz modulator,Yoon Ho D. Lee 1 , Michael O. Thompson 2 ,Michal Lipson 1,3 ; 1 Electrical and Computer Engineering,Cornell University, USA; 2 Materials Scienceand Engineering, Cornell University, USA; 3 KavliInstitute at Cornell, Cornell University, USA. Wedemonstrate multi gigahertz polysilicon electroopticmodulator fabricated using low temperatureExcimer laser annealing technique compatiblewith CMOS backend integration. Carrier injectionmodulation at 3 Gbps is achieved.CTu2G.5 • 15:15Linear Frequency Chirp Generation EmployingOptoelectronic Feedback Loop and IntegratedSilicon Photonics, Phillip Sandborn 1 ; 1 Universityof California, Berkeley, USA. We demonstrategeneration of linear frequency chirps with anexcursion of 50 GHz (λ0=1548nm) using anoptoelectronic phase-locked loop and integratedsilicon photonics interferometer (FSR=3.0GHz),demonstrating feasibility of an integrated chipscalefrequency-modulated continuous-waveLADAR source.CTu2H.6 • 15:15Fiber-Optic Point Measurement of High Pressuresin Thermal Explosions, Markus P. Hehlen 1 ,Gary R. Parker 1 , Alan M. Novak 1 , Philip Rae 1 ,Gerald Rivera 1 , Derek W. Schmidt 1 , Kevin C. Henderson1 , Brian M. Patterson 1 , Laura B. Smilowitz 1 ;1Los Alamos National Laboratory, USA. A multilayerdielectric coating deposited on the endfaceof a single-mode fiber is used as an optical sensorfor high pressures. The reflectance of the coatingdecreases by 10% for a pressure of 710 MPa.CTu2E.7 • 15:30SRS-mediated generation of new wavelengthsfrom 523 nm to 1750 nm in a graded-indexmultimode optical fiber, Hamed Pourbeyram 1 ,Govind P. Agrawal 2 , Arash Mafi 1 ; 1 Electrical Engineering,University of Wisconsin Milwaukee, USA;2Institute of Optics, University of Rochester, USA.We report on the generation of new wavelengthsspanning over two octaves from 523 nm to 1750nm in a standard telecommunication gradedindexmultimode optical fiber, mediated by thestimulated Raman scattering process.CTu2F.6 • 15:30Demonstration of Effective In-device r33 over1000 pmV in Electro-optic Polymer RefilledSilicon Slot Photonic Crystal Waveguide Modulator,Xingyu Zhang 1 , Amir Hosseini 2 , Che-yunLin 1 , Jingdong Luo 3 , Alex K-Y. Jen 3 , Ray T. Chen 1 ;1University of Texas at Austin, USA; 2 Omega Optics,Inc., USA; 3 University of Washington, USA. Wedemonstrate a band engineered slot photoniccrystal waveguide refilled with electro-optic (EO)polymer. The combined effects of slow-light andhigh performance EO polymer makes possibleeffective in-device r33 of 1012pm/V and Vπ×Lof 0.345Vmm.CTu2G.6 • 15:30A Wideband Tunable Optoelectronic OscillatorUsing a Tunable Microwave Photonic FilterBased on a Phase Modulator and a TunableOptical Filter, Xiaopeng Xie 1 , Sun Tao 1 , ChengZhang 1 , Peng Guo 1 , Xiaoqi Zhu 1 , Lixin Zhu 1 ,Weiwei Hu 1 , Zhangyuan Chen 1 ; 1 Peking University,China. An optoelectronic oscillator (OEO) tunedfrom 4.74 GHz to 38.38 GHz is proposed andexperimentally demonstrated. To our knowledge,this is the widest fundamental frequency tunablerange achieved by an OEO.CTu2H.7 • 15:30Advances in fiber-coupled pulsed-laser diagnosticsfor simultaneous species-concentration andvelocity measurements in practical combustors,Paul S. Hsu 1 , Sukesh Roy 1 , Naibo Jiang 1 , AnilPatnaik 2 , James R. Gord 2 ; 1 Spectral Energies LLC,USA; 2 Air force research lab, USA. A fiber-coupled,10-kHz, UV-PLIF and PIV combined detectionsystem employing a common 6-m-long opticalfiber is developed for simultaneous 2D fields ofOH radical concentration and velocity measurementsin practical combustion facilities.Tuesday, 11 JuneFor Conference News & InsightsVisit blog.cleoconference.orgConcurrent sessions are grouped across four pages. Please review all four pages for complete session information.1092013CLEO Tuesday.indd 185/17/13 3:11 PM