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Light engineering of the polariton landscape in semiconductor microcavities

Publications associées (38)

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Observation of Half Quantum Vortices in an Exciton-Polariton Condensate

Benoît Marie Joseph Deveaud, Konstantinos Lagoudakis

Singly quantized vortices have already been observed in many systems, including the superfluid helium, Bose-Einstein condensates of dilute atomic gases, and condensates of exciton-polaritons in the solid state. Two-dimensional superfluids carrying spin are ...

2009

Sound Field Analysis Along a Circle and its Application to HRTF Interpolation

Martin Vetterli, Christof Faller, Luciano Sbaiz, Thibaut Ajdler

The sampling and interpolation of a sound field in two and three dimensions along a circle is discussed. The Fourier domain representation of the sound field is used, and an angular sampling theorem is developed for the sampling of the sound field along a ...

2008

Adsorption monitoring device

Hubert Girault, Jean-Pierre Abid

A device for monitoring the adsorption of target molecules on a substrate, the device comprising a substrate (1), at least a portion of which is formed as a thin dielectric layer. A first, modified surface (2) of the layer has ionizable groups of the subst ...

2006

Multicolor Imaging of Cell Surface Proteins

Kai Johnsson, Nathalie George

The authors report on a method for the multicolor imaging of cell surface proteins which is based on the labeling of carrier protein (CP) fusion proteins with different fluorophores. In one application, different generations of a cell surface protein can b ...

2005

Erweiterung des Funktionalismus 1930-1950

Christoph Wieser

Functionalism serves as the guiding concept of this piece of work, on the example of which shall be traced the changes that took place in modern architecture between 1930 and 1950. This choice seems appropriate since Functionalism is a particularly relevan ...

EPFL2005

Invariances in Kernel Methods: From Samples to Objects

Samy Bengio, Alexei Pozdnoukhov

This paper presents a general method for incorporating prior knowledge into kernel methods such as Support Vector Machines. It applies when the prior knowledge can be formalized by the description of an object around each sample of the training set, assumi ...

IDIAP2004

Order Matters: A Distributed Sampling Method for Multi-Object Tracking

Kevin Smith

Multi-Object tracking (MOT) is an important problem in a number of vision applications. For particle filter (PF) tracking, as the number of objects tracked increases, the search space for random sampling explodes in dimension. Partitioned sampling (PS) sol ...

2004

Order Matters: A Distributed Sampling Method for Multi-Object Tracking

Kevin Smith

IDIAP2004

Motility: Mobility as capital

Vincent Kaufmann

Social and territorial structures form intricate relations that transcend a social stratification or spatial focus. Territorial features and geographic displacements are structuring principles for society, as societal features and social change effect the ...

2004

Microelectrical impedance tomography for biophysical characterization of thin film biomaterials

Philippe Renaud, Olof Pontus Linderholm, Reto Bruno Schoch

We present a new method for measuring the electrical resistivities of a stratified sample of thin biomaterials or tissue layers. The presented technique makes use of impedance measurements between It pairs of electrodes separated by varying distances. The ...

2003