Institut Mines-telecom

El-Mehdi Amhoud

Yves Jaouen

Ghaya Rekaya Ben-Othman

Embodiments of the invention provides a deterministic scrambler () arranged in a multimode optical fiber () for scrambling light, the light comprising a set of optical signals propagated in said multimode optical fiber according to a set of propagation modes, each propagation mode being associated with a power value, wherein the scrambler is configured to determine a permutation of said propagation modes depending on the power values associated with said propagation modes, the scrambler being configured to redistribute the optical signals according to said permutation of the propagation modes.

Scrambler for a multimode optical fiber and optical transmission system using such scrambler systems

Embodiments of the invention provide a Space-Time coding device for encoding a digital data sequence according to a predefined space-time coding rate, said data sequence comprising a set of modulated symbols to be transmitted over at least two propagation modes, during a number of time slots, through an optical transmission channel in a single-core multimode optical fiber transmission system, wherein the device comprises:

Space-time coding methods and devices for optical MIMO systems

Embodiments of the invention provide an optical transmitter configured to transmit a data sequence over at least two spatial propagation modes through an optical transmission channel in a multi-mode optical fiber transmission system, the transmission system being associated with a predefined value of a mode-dependent loss, wherein the optical transmitter comprises:

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Paris, France

El-Mehdi Amhoud