Quantum Electronics Package
Please note: Final session recording schedule is subject to onsite changes and speaker permission.
Monday 17 October 2011
Optomechanics I
FMD1 - Near Threshold Optomechanical Backaction Amplifier, Warwick Bowen, University of Queensland, Australia
We demonstrate a near threshold optomechanical backaction amplifier, where optical amplification is achieved via dynamical radiation pressure effects. Amplification as large as 22 dB is observed with an input power of only 12 μW.
FMD2 - Mechanical Squeezing via Parametric Amplification and Weak Measurement, Warwick Bowen, University of Queensland, Australia
The combination of parametric driving and quantum measurement allows mechanical squeezing far surpassing that achieved by either technique alone. Strong squeezing can be achieved even for measurements much too weak to resolve the zero-point motion.
FMD3 - Observation of Backaction of Ultracold Atoms onto a Mechanical Oscillator, Matthew Rakher, Universität Basel, Switzerland
An optical lattice formed by reflection from a SiN$_x$ membrane creates a bi-directional coupling of atomic and membrane motion. Experimental demonstrations of both direct-action and backaction in this system are reported.
FMD4 - Opto-Mechanics and Quantum Dot-Nanocavity Qed, Jelena Vuckovic, Stanford University, United States
Phonon assisted interaction between a quantum dot and an off-resonant nanocavity has been studied and employed for coherent quantum dot spectroscopy.
FMD5 - Feedback Enhanced Sensitivity in Cavity Optomechanics: Surpassing the Parametric Instability Barrier, Warwick Bowen, University of Queensland, Australia
Parametric instability places an upper limit on the useful optical power in optomechanical sensors. We surpass this limit by using feedback stabilization, enabling motion transduction sensitivity at the level of 5×10-19 m/rtHz.
FMD6 - Optomechanical Coupling in a Two Dimensional Photonic Crystal Cavity, Remy Braive, LPN-CNRS, Université Paris 7, France
We investigate the mechanical behavior exhibited by a 2D photonic crystal cavity in a suspended InP membrane. We observe two different mode families: flexural and localized modes. For the latest, strong optomechanical coupling is observed.
FMD7 - Analysis of Harmonic Generation and RF Frequency Mixing in Optomechanical Oscillators, Mani Hossein-Zadeh, University of New Mexico, United States
We have studied the generation of harmonics and the resulting RF frequency mixing properties in optomechanical oscillators (OMOs). Preliminary results and theoretical analysis show at small detuning regime OMO functions as square-law frequency mixer.
Tuesday 18 October 2011
Nonlinear Optics in Micro/Nano Optical Structures I
FTuD1 - Ultra-High-Quality Whispering-Gallery-Mode Resonators for Single Nanoparticle Detection and Measurement, Lan Yang, Washington University, United States
We discuss a self-referencing sensing technique using high-quality Whispering-Gallery-Mode (WGM) resonators for detection and measurement of single nanoparticles. We also demonstrate self-heterodyne detection of nanoparticles with radius of 10 nm using WGM microlasers.
FTuD2 - Multi-photon State Generation from Strongly Coupled Quantum Dot-Cavity System, Michal Bajcsy, Stanford University, United States
We describe how photon induced tunneling in strongly coupled cavity-quantum dot system can be used to generate photon states consisting mainly of a particular Fock state and present initial experimental observations of this effect.
FTuD3 - Time-Resolved Vibrational Nanospectroscopy Using Femtosecond Infrared Scattering Scanning Near-field Optical Microscopy, Xiaoji Xu, University of Colorado, United States
We combine scattering scanning near-field optical microscopy with ultrafast infrared light, enabling spectroscopy at nanometer scale. Time resolved free induction decay behaviors of surface polymer molecules are observed.
FTuD4 - Highly Coherent, Microcavity Brillouin Laser on Silicon, Jiang Li, California Institutute of Technology, United States
In this work, we report on a compact silica-on-silicon stimulated Brillouin laser (SBL) that has efficiency in excess of 85% and a measured Schawlow-Townes frequency noise of 60 milliHertz.
FTuD5 - Ultrafast Dynamics of Nucleation and Growth of Metallic Domains in VO2, Nathaniel Brady, University of Alabama at Birmingham, United States
We performed nondegenerate pump (800 nm)-probe (0.4 eV or 0.7 eV) transmission spectroscopy in vanadium dioxide (VO2). These show a complex time dependence that appears to be correlated with nucleation and growth of metallic domains.
FTuD6 - Generation of Continuous-Wave UV, Visible, and Near-IR Waves in a Whispering-Gallery Resonator, Jeremy Moore, University of Michigan, United States
We experimentally demonstrate generation of continuous-wave UV, visible, and near-IR waves in a periodically-poled lithium niobate whispering-gallery resonator pumped with a telecommunication-compatible IR source, at a record-low pump power of 200mW.
FTuD7 - Optical Arbitary Waveform Generation from an On-Chip Microresonator Frequency Comb, Fahmida Ferdous, Purdue University, United States
We report spectral phase characterization, compression, and shaping of on-chip microresonator combs.
Optomechanics II
FTuN1 - GaAs Disks Optomechanics, Ivan Favero, Université Paris, France
We report on GaAs disks optomechanical resonators having GHz mechanical modes, vacuum optomechanical coupling reaching 1MHz, permitting a motional sensitivity of 10-17m/Hz. Dynamical back-action self-oscillation is observed. Integration with waveguides suspended on the chip is presented.
FTuN2 - A Cavity Effect on Optical Forces, Joel Rubin, Queens College of CUNY, United States
Using an analytically solvable model of a nanoparticle interacting with a spherical optical resonator we show that particle-induced modification of the cavity mode renders standard gradient approximation for the optomechanical interaction invalid.
FTuN3 - Single-input Spherical Microbubble Resonator, Jonathan Ward, Quantum Optics Group, Ireland
We present a method for fabricating single-input optical microbubble resonators with diameters less than 100 micron. We observe a mode shift up to 22 GHz in the spectra when water is inserted into the cavity.
FTuN4 - Cavity Optomechanics with Silicon Nitride Membrane Gratings, Utku Kemiktarak, NIST / JQI, United States
We demonstrate high reflectivity micromechanical membranes patterned with subwavelength gratings. We investigate their optical and mechanical properties by coupling them to a Fabry-Perot cavity.
FTuN5 - Mechanical Motion of a Microspherical Pendulum, Jonathan Ward, Quantum Optics Group, Ireland
Silica microspherical pendulums are fabricated and their mechanical resonances are detected as variations in the transmitted laser power from a tapered fiber. The thermal damping and amplification of the taper/pendulum coupling noise is observed.
Wednesday 19 October 2011
Order, Disorder and Symmetry in Photonic Structures I
FWF1 - Laser Emission and Coherent Control of Absorption in Complex and Random Systems, A. Douglas Stone, Yale University, United States
A scattering theory of lasing and absorption in arbitrary complex and random systems is presented, leading to tractable computational methods to describe multimode lasing, as well as time-reversed lasing and coherent control of absorption.
FWF2 - Photonic Network Laser, Heeso Noh, Yale University, United States
We demonstrated lasing in trivalent network structures with short-range order. Without translational or rotational symmetries, such structures have large isotropic photonic bandgap. Unlike photonic crystals, bandedge modes are strongly localized.
FWF3 - Isotropic Structural Color of Nanostructured Metal Surfaces, Sylvanus Lee, Boston Univ, Boston University, United States
We design and demonstrate isotropic structural color from nanostructured metal surfaces. Plasmon-enhanced light scattering of Au nanoparticle aperiodic arrays on Au films is observed by dark-field scattering & angle-resolved reflection spectroscopy.
FWF4 - Transmission Channels through Random Media, Zhou Shi, City University of New York, United States
We measure the field transmission matrix for microwave radiation propagating through random waveguides in the Anderson localization transition and observe the statistics of transmission eigenvalues.
Quantum Computation and Communication I
FWY2 - Parity Detection for Heisenberg-limited Metrology with Coherent and Squeezed Vacuum Light, Kaushik Seshadreesan, Louisiana State University, United States
The interference between coherent and squeezed vacuum light can produce path entangled states with very high fidelities. We show that Heisenberg-limited phase estimation with the above interferometric scheme can be achieved using parity detection.
FWY3 - From the Parametric Down-Conversion to the Raman Scattering: Nonlinear and Quantum Phenomena in Lossy Media, Radoslaw Chrapkiewicz, University of Warsaw, Poland
We found the full information of the output multimode state in the Spontaneous Parametric Down–Conversion, in the lossy 1D waveguide, still manifesting quantum behavior. We refer the results to the Raman scattering in atomic media.
FWY4 - Perfect Quantum Communication with Very Noisy Gaussian Optical Fiber Channels, Laszlo Gyongyosi, Budapest University of Technology and Economics, Hungary
We demonstrate that very noisy Gaussian optical fiber quantum channels with zero zero-error capacities can be used to transmit information perfectly. We derive how the supremum of the superactivated capacity depends on the input states.
Thursday 20 October 2011
Nonlinear Optics in Micro/Nano Optical Structures II
FThA1 - A Quantum Theory of Four-Wave Mixing in Grapheme, Zheshen Zhang, Georgia Tech Lorraine, Georgia Institute of Technology, France
We present a dynamic quantum perturbation theory to describe four-wave-mixing intensity at optical frequencies in graphene. The theory, which uses a classical field and quantum graphene, fits recent experimental results.
FThA2 - Nanoscale Coherent Perfect Absorber of Light, Heeso Noh, Yale University, United States
Based on the concept of time-reversing a laser, we develop two schemes of 100% coupling of light into individual nanoparticles, either a dielectric nanoparticle buried in a scattering medium or a single metallic nanoparticle in vacuum.
FThA3 - 1- and 2-Photon Absorption with Cold Rubidium Using an Optical Nanofiber, Laura Russell, University College Cork, University of Kwazulu-Natal, Ireland
We demonstrate the use of an optical nanofiber as a spectroscopic tool for cold Rb-85. We present recent single-photon absorption results which demonstrate surface interaction effects. Future work on 2-photon absorption in Rb-85 is discussed.
FThA4 - Optofluidic Lasers and Their Applications in Highly Sensitive Intra-Cavity Biomolecular Detection, Xudong Fan, University of Michigan, United States
We report the progress of optofluidic lasers in the field of intra-cavity biosensing. Intra-cavity DNA detection is demonstrated with high differentiation between complementary sequence and single-base-mismatched sequence.
FThA5 - Second Harmonic Generation In CVD Graphene Induced by DC Electric Current, Anton Bykov, M.V. Lomonosov Moscow State University, Russian Federation
We present the first observation of DC electric current-induced optical second harmonic generation (SHG) in multilayer graphene. SHG intensity from graphene was found to increase dramatically with in-plane direct current application.
FThA6 - Size Distribution Effects on the Optical Properties of Gold Nanoparticles Synthesized by Polyol Process, Arun Thirumurugan, National Institute of Technology, India
Gold nanoparticles were prepared using various polyols and with various additives by polyol process. Size distribution effects on the optical properties of gold nanoparticles studied by UV-VIS spectroscopy, SEM and TEM.
FThA7 - Observation of Self-Trapping of Light in “Air-Bubble”-Type Nonlinear Nano-Suspensions, Weining Man, San Francisco State Univ, United States
We demonstrate self-trapping of light in nonlinear nano-suspensions. In particular, self-induced transparency up to four diffraction lengths is observed in colloidal suspensions with induced negative polarizability.
Quantum Computation and Communication II
FThE1 - Quantum Optical Interface for Atoms and Electro-Mechanical Systems, Eugene S. Polzik, Copenhagen University, Denmark
Light can be used as an efficient quantum bus and a coupling agent connecting disparate systems, such as atomic ensembles, mechanical oscillators and electronic circuits.
FThE2 - Non-Markovian Spontaneous Emission from a Single Quantum Dot, Kristian Madsen, Technical University of Denmark, Denmark
We observe non-Markovian dynamics of a single quantum dot when tuned into resonance with a cavity mode. Excellent agreement between experiment and theory is observed providing the first quantitative description of such a system.
FThE3 - A Study of Multipartite Entanglement Using Hyperentangled Photons, Aditya Sharma, University of Illinois at Urbana-Champaign, United States
We present an experimental study of multipartite entanglement using hyperentangled photon pairs. We first demonstrate some interesting properties of the bound-entangled “Smolin state” and then discuss further studies using this source.
FThE4 - Quantum Random Bit Generation Using Degenerate Optical Parametric Oscillator, Alireza Marandi, Stanford University, United States
We implement a twin optical parametric oscillator as a true random bit generator, and verify the randomness statistically. The operation principle is based on two stable phase states in degenerate synchronously pumped optical parametric oscillators.
FThE5 - On-chip Spectrally-Bright Photon-Pair Source from SiN Ring Micro-cavity, Alessandro Farsi, Cornell Uniuversity, United States
We report the first demonstration of photon pair generation in SiN cavity. Photon pairs are generated over very narrow bands at a rate up to 0.7 MHz / resonance and aligned to the ITU grid.
FThE6 - Direct Measurement of the Wavefunction of a Single Photon, Charles Bamber, National Research Council Canada, Canada
The photon wavefunction is measured by a direct method that does not require computation reconstruction. A reading on our measurement apparatus is directly proportional to the real and imaginary parts of the wave function.
Quantum Computation and Communication IV
FThS1 - Anderson co-Localization of Spatially Entangled Photons, Bahaa Saleh, University of Central Florida, United States
We explore the propagation of spatially extended entangled two photons through disordered optical systems inducing Anderson localization (AL). While neither photon exhibits AL, the photon pair exhibits co-localization (reduced correlation length).
FThS2 - Interaction-Free All-Optical Switching via Quantum Zeno Blockade, Abijith Kowligy, Northwestern Univ., United States
Embedding a χ(2) crystal in a Fabry-Perot cavity, we propose and demonstrate an all-optical switch via quantum Zeno blockade that is implemented without any physical coupling between the signal and pump waves.
FThS3 - An Equation of Motion for the Concurrence of 2 Qubit Pure States, Nicolas Quesada, University of Toronto, Canada
We derive an equation of motion for the concurrence of 2 qubits that evolve under a general time independent Hamiltonian. This equation is used to determine the type of Hamiltonians that can generate entanglement.
FThS4 - Two-Photon Anti-Correlation and Interference with Incoherent Thermal Radiations, Hui Chen, UMBC/GEST, United States
We successfully simulate the behavior of entangled states by multi-photon interference of thermal light, theoretically and experimentally. Importantly, we have observed anti-correlation and polarization correlation with more than 71% visibility.
FThS5 - Combined Photon Pair Generation and Quantum Walks in Quadratic Nonlinear Waveguide Arrays, Alexander Solntsev, Australian National University, Australia
We study photon pair generation through spontaneous parametric down conversion accompanied by quantum walks in arrays of quadratic nonlinear waveguides and investigate various ways to control output photon correlations.
FThS6 - Efficient Algorithm for Optimizing Adaptive Quantum Metrology, Barry Sanders, University of Calgary, Canada
We introduce an efficient self-learning swarm-intelligence algorithm for devising feedback-based quantum metrological procedures to replace what is otherwise an inefficient problem. Our algorithm can be trained with simulated or real-world trials.
FThS7 - Ion-Photon Networks for Scalable Quantum Computing, Susan Clark, University of Maryland, United States
Trapped ions entangled via photonic interactions are promising avenues for quan-tum information processing. Here, we report advances towards combining photonic gates be-tween distant ions with Coulombic gates between nearby ions to demonstrate scalable qu.
Nonlinear Optics in Micro/Nano Optical Structures III
FThW1 - Two-photon Absorption Spectra of a Near-IR Polymethine Molecule with a Broken Ground-State Symmetry, Honghua Hu, University of Central Florida, United States
NIR polymethines are studied in two solvents of dissimilar polarity to investigate predictions of 2PA enhancements from ground-state symmetry-breaking (SB). However, electron-vibrational coupling appears to predominate SB.
FThW2 - BiFeO3 Heterostructures for Electro-Optic Modulators, Daniel Sando, Unité Mixte de Physique CNRS/Thales, France
The ferroelectric BiFeO3 exhibits strong polarization and potentially large electro-optic coefficients. We present our efforts in design and fabrication of thin film EOMs based on thin film heterostructures using BiFeO3 as the modulating medium.
FThW3 - Diffraction Free Edge States in Optical Graphene, Mikael Rechtsman, Technion - Israel Institute of Technology, Israel
Here we experimentally demonstrate diffractionless edge modes on the bearded and zigzag edges of optical graphene, the photonic analogue of conventional carbon-based graphene.
FThW4 - Photonic Crystal Waveguide Electro-Optic Modulator for Ghz Bandwidth Applications, Jianheng Li, Northwestern University, United States
Electro-optic modulators were fabricated on Si3N4/BaTiO3/MgO waveguides. Photonic crystals (PhCs) were introduced to minimize the phase velocity mismatch. The 3mm long PhC modulator has a Vπ of 5.5V and 3dB bandwidth greater than 15GHz.
FThW5 - Optical Combs and Photonic RF Oscillators with Whispering-Gallery Mode Microresonators, Vladimir Ilchenko, OEwaves Inc, United States
We demonstrate compact low-noise photonic oscillators with self-injection-locked semiconductor lasers and crystalline microresonators. We compare microwave feedback oscillators with electro-optic resonators, and latest optical Kerr comb generators.
PLUS!
Sunday 16 October 2011
- What’s Hot in Bio-Medical Optics, Adam P. Wax, Duke University, United States
- What’s Hot in Fabrication, Design and Instrumentation, Guoqiang Li, University of Missouri, Saint Louis, USA
- What’s Hot in Information Acquisition, Processing and Display, David Brady, Duke University, United States*
- What’s Hot in Photonics and Opto-Electronics, Juerg Leuthold, Karlsruhe Institute of Technology, Germany*
- What’s Hot in Vision and Color, Joseph Carroll, Medical College of Wisconsin, United States
- What’s Hot in Mid-Infrared Laser Technology: Highlights and Applications, Irina Sorokina, Norwegian Univ. of Science & Technology, Norway*
Monday 17 October 2011
- Lightwave Modulators: Early Days, Ivan Kaminow, University of California Berkeley, United States
- Table-Top Soft X-Ray Lasers: Bright Coherent Light for the Nanoworld, Jorge Rocca, Colorado State University, United States
- Seeing is Believing: Capturing Electrons in Real Time, Ferenc Krausz, Max-Planck-Institut für Quantenoptik & Ludwig-Maximilians-Universität München, Germany
- Inside the Wavelength-Seeing Really Small Objects with Light, John Pendry, The Blackett Lab, Imperial College, United Kingdom
*Pending Author Approval