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Arrayed waveguide grating

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Publications associées (25)

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Single Mode Mid-infrared Waveguide for Evanescent Sensor Scheme in Liquids

Hans Peter Herzig, Vincent Paeder, Lubos Hvozdara, Yu-Chi Chang, Philip Wägli

A Si/Ge based, single mode, mid-infrared optical waveguide, is used as an evanescent sensor in liquid matrix. The selectivity is achieved by the use of quantum cascade lasers (QCLs) tuned to the maximum absorption of a given analyte. The cocaine detection ...

2011

Development of MEMS Programmable Diffraction Gratings for Spectroscopic Applications in the Visible, Near- and Mid-Infrared

Robert Andrew Lockhart

This work presents the development of two MEMS programmable diffraction gratings designed for spectroscopic applications in the visible, near- and mid-infrared. These devices have been developed to limit distortion of their optical surfaces at rest and thr ...

EPFL2011

High quality superconducting NbN thin films on GaAs

Alessandro Surrente, Francis Lévy

A very promising way to increase the detection efficiency of nanowire superconducting single-photon detectors (SSPDs) consists in integrating them with advanced optical structures such as distributed Bragg reflectors (DBRs) and optical waveguides. This req ...

IOP Publishing Ltd2009

Distributed sensing using polarization sensitive optical low-coherence reflectometry and fiber gratings

Dragan Coric

Optical low coherence reflectometry (OLCR) is non-destructive interferometric technique that allows measuring amplitude and phase of the light reflected from the device under test. OLCR is a powerful tool for the characterization of the various optical dev ...

EPFL2007

Light-controlled reconfigurable fiber bragg gratings written in attenuation fiber

René Salathé, Hans Georg Limberger, Dragan Coric

A novel type of light controlled fiber Bragg gratings written in attenuation fiber is demonstrated. The spectral reconfiguration can be controlled by the pump power, the pumping configuration, the grating position and the fiber attenuation. © Optical Socie ...

Institute of Electrical and Electronics Engineers Computer Society2007