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All-Optical Polarization Control through Brillouin Amplification

Publications associées (52)

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Hybrid Small Animal Imaging System Combining Magnetic Resonance Imaging with Fluorescence Tomography Using Single Photon Avalanche Diode Detectors

Edoardo Charbon, Lucio Carrara, Markus Rudin, Christof Baltes

The high sensitivity of fluorescence imaging enables the detection of molecular processes in living organisms. However, diffuse light propagation in tissue prevents accurate recovery of tomographic information on fluorophore distribution for structures emb ...

Institute of Electrical and Electronics Engineers2011

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Stimulated Brillouin scattering (SBS) amplification of probe signals is highly polarization dependent. Maximum and minimum gain values are associated with a pair of orthogonal states of polarization (SOP) at the fiber output. Since the maximum gain is much ...

SPIE2011

Ultra Wide Range Tunable Delay Line Using Dynamic Grating Reflectors in Optical Fibers

Luc Thévenaz, Sang Hoon Chin, Nikolay Primerov, Kwang-Yong Song

We experimentally demonstrate a novel technique to realize a tunable delay line based on dynamic Brillouin gratings in a high birefringence fiber. A 8ns pulse signal is continuously delayed up to 184ns with minor distortion. ...

Optical Society of America2010

True Time Reversal via Dynamic Brillouin Gratings in Polarization Maintaining Fibers

Luc Thévenaz, Sang Hoon Chin, Nikolay Primerov, Kwang-Yong Song

A novel technique to realize true time reversal of an optical signal, using dynamic Brillouin gratings in high-birefringence fibers, is proposed. A data sequence of optical pulses with 2-ns duration was efficiently time-reversed. ...

Optical Society of America2010

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2010

A fine control of a photonic molecule is obtained by nanofluidic techniques. The coupling condition between the modes of two photonic crystal nanocavities is modified by spectrally tuning each single resonator. Clear mode anticrossing and transition from l ...

2010

Polarization Evolution of Stimulated Brillouin Scattering Amplified Signals in Standard Fibers

Luc Thévenaz

The polarization evolution of stimulated Brillouin scattering amplified signals in the presence of fiber birefringence is examined in analysis, simulation and experiment. The signal polarization is drawn towards the conjugate of the pump polarization. ...

Optical Society of America2009

Photosensitivity and luminescence of chromium and bismuth doped fibers

Christian Ban

Optical fiber materials with broad-band gain in the visible or in the telecommunication window are of great interest for optical communication or the biomedical domain in order to built integrated tunable lasers, amplifiers, ultra-short pulse lasers, or br ...

EPFL2009

Monolithic integration in Fused Silica: When Fluidics, Mechanics and Optics meet in a single substrate

Yves Bellouard

We show that locally altering fused silica with femtosecond laser irradiation forms the basis for a novel manufacturing technology platform to produce highly integrated microsystems. In contrast to many common approaches that rely on combining materials to ...

2009

Polarization-induced distortion in stimulated Brillouin scattering slow-light systems

Luc Thévenaz, Sang Hoon Chin

The vector analysis of stimulated Brillouin scattering amplification in birefringent fibers is extended to include signal pulses. The analysis finds that the different slow-light delays experienced by the states of polarization corresponding to maximum and ...

Optical Society of America2009