Method and apparatus for laser communication through a lossy...

H - Electricity – 04 – B

Patent

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H04B 10/10 (2006.01)

Patent

CA 2299596

A laser transmitter (200, 300) includes a femptosecond pulse forming circuit (214, 308) and an ultra high-speed optical switch (218, 304) which enable the transmitter (200, 300) to generate a modulated pulse stream having pulses with widths of under 200 femptoseconds. The transmitted pulse stream is processed by a laser detector (500), including a wideband optical detector (504) and pulse stretching circuit (506), that regenerates information included in the modulated pulse stream.

Emetteur-récepteur (200,¿ ?300) laser comportant un circuit (214, 308) de formations d'impulsions femtoseconde et un commutateur (218, 304) optique à très haute vitesse qui permettent à l'émetteur-récepteur (200, 300) de générer un flux d'impulsions modulées ayant des impulsions dont les largeurs sont inférieures à 200 femtosecondes. Le flux d'impulsions transmis est traité par un détecteur laser (500), comportant un détecteur optique (504) à large bande et un circuit (505) d'élargissement d'impulsions, qui régénère les informations incluses dans le flux d'impulsions modulées.

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