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Colloquia

 
 
Colloquium: October 1, 2014

Colloquium: October 1, 2014

Ivan Shelykh* Optical Analogs of Aharonov-Bohm Effect Day Time Place October 01, 2014 Wednesday 15:40 EE01 Host: Atilla Erçelebi ABSTRACT —  Aharonov-Bohm effect is connected by direct influence of the vector potential on phase of wavefunction of a charged particle. In the domain of mesoscopic transport its consequence is appearance of the oscillations […]

 
Colloquium: September 17, 2014

Colloquium: September 17, 2014

Peer Fischer* Three-Dimensional Hybrid Nanostructures, Chemical Nanomotors, and Nanorobot Propulsion Day Time Place September 17, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  Tuning the optical, electromagnetic and mechanical properties of a material requires simultaneous control over composition and shape. For instance the realization of opticalmetamaterials in the visible calls for […]

 
Colloquium: May 14, 2014

Colloquium: May 14, 2014

Axel Winter* ITER and Nuclear Fusion: An Energy Source for the Future Day Time Place May 14, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  ITER is a unique scientific, technological, and industrial project being built in the south of France through a partnership involving the European Union, China, India, Japan, […]

 
Colloquium: April 16, 2014

Colloquium: April 16, 2014

Gunter Schütz* Surprising Physics in One Dimension From Molecular Motors to Anomalous Diffusion Day Time Place April 16, 2014 Wednesday 15:40 EE01 Host: Balazs Hetényi ABSTRACT —  In recent years, more and more one-dimensional many-body systems have become experimentally accessible with increasingly sophisticated techniques. Such systems, when kept far from equilibrium, exhibit surprising […]

 
Colloquium: April 9, 2014

Colloquium: April 9, 2014

Carlo Sirtori* Superradiant Electroluminescence and Collective Phenomena in a Low Dimensional Electron Gas Day Time Place April 09, 2014 Wednesday 15:40 EE01 Host: Atilla Aydınlı ABSTRACT —  The interaction between light and matter in a quantum structure, can be strongly enhanced by increasing the density of the confined electrons, thus the number of […]

 
Colloquium: March 26, 2014

Colloquium: March 26, 2014

Dietmar Kracht* 3D Laser Printing: Challenges for the Next Industrial Revolution Day Time Place March 26, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  3D Laser Printing or in more technical terms Laser Additive Manufacturing is playing an emerging role in several industries such as aerospace, automotive and medical technology. In […]

 
Colloquium: March 19, 2014

Colloquium: March 19, 2014

Lukas Novotny* Cooling and Amplification of a Vacuum-Trapped Nanoparticle Day Time Place March 19, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe ABSTRACT —  We optically trap a single nanoparticle in high vacuum and cool its three spatial degrees of freedom by means of active parametric feedback. The small size and mass of the […]

 
Colloquium: March 12, 2014

Colloquium: March 12, 2014

Jan Wehr* What is the Equation of Motion of a Brownian Particle? Day Time Place March 12, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe ABSTRACT —  I will outline an experiment, studying movement of colloidal particles in water. Starting from the Newton’s law, I will build a differential equation describing the Brownian motion […]

 
Colloquium: February 26, 2014

Colloquium: February 26, 2014

John A. Rogers* Materials and Mechanics Concepts for Bio-Integrated, Transient Electronics Day Time Place February 26, 2014 Wednesday 15:40 EE01 Host: Coşkun Kocabaş ABSTRACT —  Biology is soft, curvilinear and transient; modern silicon technology is rigid, planar and everlasting. Electronic systems that eliminate this profound mismatch in properties will lead to new types […]

 
Colloquium: February 19, 2014

Colloquium: February 19, 2014

Thomas Südmeyer* Recent Trends in Ultrafast Lasers and Frequency Combs Day Time Place February 19, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  Although ultrafast lasers have already enabled numerous important industrial and scientific breakthroughs, there is still a strong need for further improvements in terms of achievable performance, compactness, and […]

 
Colloquium: February 12, 2014

Colloquium: February 12, 2014

Selim Ünlü* Ultrasensitive Digital Detection of Nanoparticles: Viral Diagnostics and Multiplexed Protein and, Nucleic Acid Assays Day Time Place February 12, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  We apply basic principles of optical interference to biological sensing demonstrating label-free sensing of protein binding and DNA hybridization in a high-throughput […]

 
Colloquium: December 11, 2013

Colloquium: December 11, 2013

Marco Polini* Illuminating graphene Day Time Place December 11, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — Graphene, the first and best studied two-dimensional material, has attracted a great deal of attention since its isolation through the “scotch tape” technique at the University of Manchester in 2004 [1]. In this Colloquium I will […]

 
Colloquium: November 27, 2013

Colloquium: November 27, 2013

Andrea Gambassi* The universal force of critical fluctuations: Casimir, wetting, colloids and all that. Day Time Place November 27, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — In 1948, Hendrik Casimir predicted that two uncharged conducting surfaces in vacuum attract each other due to the quantum fluctuations of the electromagnetic field which are […]

 
Colloquium: November 20, 2013

Colloquium: November 20, 2013

Uli Schollwöck* Quantum Simulations: Classical digital vs. Quantum analog Day Time Place November 20, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — For many decades, the exact quantum dynamics of many-body quantum systems far from equilibrium has proven to be elusive for physicists. To make progress, Feynman proposed in 1982 to build “quantum […]

 
Colloquium: November 13, 2013

Colloquium: November 13, 2013

Philip Russell* Enhanced Light-Matter Interactions in Microstructured Glass Fibres Day Time Place November 13, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — Microstructured fibres, in particular photonic crystal fibres, permit remarkable control of the propagation of guided light, including introducing a new theme – the guidance of light, in a low-loss single mode, […]

 
Colloquium: November 6, 2013

Colloquium: November 6, 2013

Antonio Sasso* Dynamics and spectroscopy of optically trapped microparticles Day Time Place November 6, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — The seminar will consist into two parts. In the first part it will discuss the use of optical tweezers to study at mesoscopic scales the mechanical behavior of several class of […]

 
Colloquium: October 9, 2013

Colloquium: October 9, 2013

Martin Müser* Friction mechanisms at small and large scales: New insights from computer simulations Day Time Place October 9, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — Surfaces of solids tend to be rather complex. They have roughness on a multitude of length scales, the chemical composition is undefined and may even change […]

 
Colloquium: September 25, 2013

Colloquium: September 25, 2013

Tomáš Čižmár* Photonics in disordered environments and fibre based imaging Day Time Place September 25, 2013 Wednesday 16:00 EE01 Host: TBA ABSTRACT — Astronomical observations from ground-based telescopes are degraded by the random and rapidly varying distribution of refractive index in the Earth’s atmosphere. Similarly, in Biology and Medicine, imaging of tissues and […]

 
Colloquium: May 15, 2013

Colloquium: May 15, 2013

Andrei Manolescu* Journey to the center of genetics. The experience of a physicist in Iceland. Day Time Place May 15, 2013 Wednesday 16:00 EE01 Host: Bilal Tanatar ABSTRACT — I am a theoretical condensed matter physicist and I worked for eight years at Decode Genetics in Reykjavik, a global leader in human genetics. […]

 
Colloquium: April 24, 2013

Colloquium: April 24, 2013

Christoph Dellago* Nucleation at the nanoscale: pathways of phase transitions in small systems Day Time Place April 24, 2013 Wednesday 16:00 EE01 Host: Balazs Hetényi ABSTRACT — Under suitable conditions, first order phase transitions such as the freezing of a liquid or the structural transformation of a solid occur via a nucleation and […]

 
Colloquium: April 17, 2013

Colloquium: April 17, 2013

Jörg Winter* Exploring the 4th state of matter Day Time Place April 17, 2013 Wednesday 16:00 EE01 Host: Ömer İlday ABSTRACT — A plasma, i.e., partially or fully ionized matter is often called “4th state of matter”. It is characterized by collective behavior – all particles are coupled to each other via the […]

 
Colloquium: April 10, 2013

Colloquium: April 10, 2013

Bayram Tekin* Symmetry, Mass and Gravity Day Time Place April 10, 2013 Wednesday 16:00 EE01 Host: Oğuz Gülseren ABSTRACT — We will talk about the concept of mass in classical and modern physics in the light of the recent discovery of the Higgs particle. We will explain how unbroken and broken symmetries play […]

 
Colloquium: March 27, 2013

Colloquium: March 27, 2013

Nuh Gedik* Shining Light on Topological Insulators Day Time Place March 27, 2013 Wednesday 16:00 EE01 Host: Coşkun Kocabaş ABSTRACT — Topological insulators (TIs) are novel materials that do not conduct electricity in their bulk yet possess exceptional conducting electronic states on their surface. These surface electrons have a number of highly unusual […]

 
Colloquium: March 20, 2013

Colloquium: March 20, 2013

John Dudley* From Rogue Waves to Randomness Day Time Place March 20, 2013 Wednesday 16:00 EE01 Host: Ömer İlday ABSTRACT — A central challenge in understanding extreme events in science is to develop rigorous models linking the complex (often nonlinear) generation dynamics and the associated statistical behavior. Quantitative studies of extreme phenomena, however, […]

 
Colloquium: March 13, 2013

Colloquium: March 13, 2013

Özgür Müstecaplıoğlu* Quantum Thermodynamics: Can Maxwell’s demon be actually an angel? Day Time Place March 13, 2013 Wednesday 16:00 EE01 Host: Oğuz Gülseren ABSTRACT — Thermodynamics was discovered by engineers; had been evolved by physicists for a while, then was disbanded to engineers again. Physicists are like kids; they love to break things […]

 
Colloquium: February 27, 2013

Colloquium: February 27, 2013

Romain Quidant* Plasmon nano-optics: When nano gets hot and bright Day Time Place February 27, 2013 Wednesday 16:00 EE01 Host: Giovanni Volpe ABSTRACT — TBA *ICFO, Barcelona, Spain Photos from the event The Physics Colloquia are designed to address a non-specialist, broad audience and introduce topics of contemporary research through lectures by leading experts. […]

 
Colloquium: February 20, 2013

Colloquium: February 20, 2013

Sylvain Gigan* Can we see through paint? Day Time Place February 20, 2013 Wednesday 16:00 EE01 Host: Giovanni Volpe ABSTRACT — Light entering a scattering medium, a layer of paint or a biological tissue for instance, endures a complex random propagation that seemingly destroys all spatial information, rapidly preventing imaging or focusing. I […]

 

Colloquium: March 25, 2015

Tobias Kippenberg* TBA Day Time Place March 25, 2015 Wednesday 15:40 EE01 Host: F. Ö. İlday ABSTRACT — TBA *EPFL, Lausanne, Switzerland The Physics Colloquia are designed to address a non-specialist, broad audience and introduce topics of contemporary research through lectures by leading experts. We warmly invite all members of […]

 
Colloquium: December 12, 2012

Colloquium: December 12, 2012

Niek van Hulst* Antennas for Light Time: December 12, 2012 Wednesday 16:00 Place: EE01 (Electrical and Electronics Engineering) Host: Coşkun Kocabaş ABSTRACT — An optical nano-antenna is the high frequency analogue to the well-known radio-antennas is [1]. Such resonant plasmonic nanostructures allow the control of optical fields at the nanometer scale: super- focussing, local field […]

 
Colloquium: November 28, 2012

Colloquium: November 28, 2012

Andrea Ferrari* Graphene Photonics and Optoelectronics Time: November 28, 2012 Wednesday 16:00 Place: EE01 (Electrical and Electronics Engineering) Host: Ömer İlday ABSTRACT — The richness of optical and electronic properties of graphene attracts enormous interest. So far, the main focus has been on fundamental physics and electronic devices. However, it has also great potential in […]