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Related publications (104)

Sub-Resolution Maximum-Likelihood Based Localization of Fluorescent Nanoparticles in Three Dimensions

Michaël Unser, Dimitri Nestor Alice Van De Ville, François Aguet

Several recent studies have shown that fluorescent particles can be localized with an accuracy that is well beyond traditional resolution limits. Using a theoretical model of the image formation process that accounts for possible sources of noise, Cramér-R ...

IEEE2007

Graphical Comparison of Image Analysis and Laser Diffraction Particle, Size Analysis Data Obtained From the Measurements of Nonspherical Particle Systems

Paul Bowen

The purpose of this paper is to describe results from the use of a set of Excel macros written to facilitate the comparison of image analysis (IA) and laser diffraction (LD) particle size analysis (psa) data. Measurements were made on particle systems of d ...

2006

JET experiments to assess the clamping of the fast ion energy distribution during ICRF heating due to finite Larmor radius effects

Duccio Testa

Experiments have been performed on the JET tokamak with 2nd harmonic ion cyclotron resonance heating (ICRH) of hydrogen in deuterium plasmas to assess the role of finite Larmor radius (FLR) effects on the resonant ion distribution function. More specifical ...

2006

Bond-order-modulated staggered-flux phase of thetJmodel on a square lattice

Frédéric Mila, Cédric Weber

Motivated by the observation of inhomogeneous patterns in some high-Tc cuprate compounds, several variational Gutzwiller-projected wave functions with built-in charge and bond-order parameters are proposed for the extended t−J−V model on the square lattice ...

2006

Modulational instability in a layered Kerr medium: Theory and experiment

Demetri Psaltis, Ye Pu

We present the first experimental investigation of modulational instability in a layered Kerr medium. The particularly interesting and appealing feature of our configuration, consisting of alternating glass-air layers, is the piecewise-constant nature of t ...

2006

Spectral and dynamical characterization of multiexcitons in colloidal CdSe semiconductor quantum dots

Majed Chergui, Frank van Mourik, Goran Zgrablic, Camilla Bonati

Femtosecond photoluminescence (PL) up-conversion studies in polychromatic mode and laser-power-dependence studies of the PL were carried out on colloidal solutions of CdSe quantum dots with diameters ranging from 2.4 to 4 nm. The main features of the spect ...

2005

Localization-dependent photoluminescence spectrum of biexcitons in semiconductor quantum wires

Benoît Marie Joseph Deveaud, Vincenzo Savona, Andrea Feltrin, Xiao Wang

We study exciton and biexciton spectra in disordered semiconductor quantum wires by means of nanophotoluminescence spectroscopy. We demonstrate a close link between the exciton localization length along the wire and the occurrence of a biexciton spectral l ...

2005

Effects of the one-dimensional quantum barriers in pyramidal quantum dots

Elyahou Kapon, Marc-André Dupertuis

We investigated theoretically the effects of the one-dimensional barriers on the electronic states in a quantum dot grown on a nonplanar substrate. These peculiar barriers drastically modify the confined carrier wave functions and their energies. Connectin ...

2004

Near-field spectroscopy and theoretical modeling of disordered semiconductor quantum wires

Andrea Feltrin

In this thesis work, we report scanning near-field optical photoluminescence spectroscopy measurements with at best 200 nm spatial resolution performed on disordered semiconductor V-groove AlGaAs/GaAs quantum wires. In order to interpret the results of the ...

EPFL2004

Dot trajectories in the superposition of random screens: Analysis and synthesis

Isaac Amidror

Moire effects that occur in the superposition of aperiodic layers such as correlated random dot screens are known as Glass patterns. One of the most interesting properties of such moire effects, which clearly distinguish them from their periodic counterpar ...

Optical Society of America, Washington, United States2004

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