Publication

Photonic delay line for broadband optical signals, based on dynamic grating reflectors in fibers

Luc Thévenaz, Sang Hoon Chin, Nikolay Primerov
2010
Conference Papers

Résumé

We experimentally demonstrate that a novel type of photonic delay line based on movable dynamic grating reflectors generated in polarization maintaining fibers can provide continuously tunable signal delaying for high capacity optical data streams and wide bandwidth microwave signals.

Source officielle

https://infoscience.epfl.ch/entities/publication/dee55c7c-b662-4ea2-8e7f-133d638b1386

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Luc Thévenaz, Sang Hoon Chin, Nikolay Primerov
2010
Conference Papers

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/dee55c7c-b662-4ea2-8e7f-133d638b1386

À propos de ce résultat

Concepts associés (22)

Cristal photonique

Les cristaux photoniques sont des structures périodiques de matériaux diélectriques, semi-conducteurs ou métallo-diélectriques modifiant la propagation des ondes électromagnétiques de la même manière qu'un potentiel périodique dans un cristal semi-conducteur affecte le déplacement des électrons en créant des bandes d'énergie autorisées et interdites. Les longueurs d'onde pouvant se propager dans le cristal se nomment des modes dont la représentation énergie-vecteur d'onde forme des bandes.

Optical transistor

An optical transistor, also known as an optical switch or a light valve, is a device that switches or amplifies optical signals. Light occurring on an optical transistor's input changes the intensity of light emitted from the transistor's output while output power is supplied by an additional optical source. Since the input signal intensity may be weaker than that of the source, an optical transistor amplifies the optical signal. The device is the optical analog of the electronic transistor that forms the basis of modern electronic devices.

Polarization-maintaining optical fiber

In fiber optics, polarization-maintaining optical fiber (PMF or PM fiber) is a single-mode optical fiber in which linearly polarized light, if properly launched into the fiber, maintains a linear polarization during propagation, exiting the fiber in a specific linear polarization state; there is little or no cross-coupling of optical power between the two polarization modes. Such fiber is used in special applications where preserving polarization is essential.

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Parametric Wavelength Conversion in Waveguiding Structures: Efficiency, Bandwidth and Polarization

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Quench Detection and Temperature Measurement With Fiber Optic Sensors

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For the EU DEMO conductor testing, a temperature sensor based on Fiber Bragg Grating (FBG) optical fiber is studied at the EPFL Swiss Plasma Center. The SULTAN test facility has been upgraded to use fiber optic sensor for temperature monitoring and quench ...

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