Lasers, optical amplifiers, and amplification methods

Details Lasers, optical amplifiers, and amplification methods Lasers, optical amplifiers, and amplification methods

H - Electricity

01

S

H01S 3/09 (2006.01) H01S 3/067 (2006.01) H01S 3/094 (2006.01) H01S 3/16 (2006.01) H01S 3/17 (2006.01)

Patent

CA 2207051

An optical amplification medium doped with Er3+ ions is selected from the group of a fluoride glass, a chalcogenide glass, a telluride glass, a halide crystal, and a lead oxide based glass. The Er3+ ions are excited by light of at least one wavelength in the range of 0.96 µm to 0.98 µm. A laser or an optical amplifier includes this optical amplification medium doped with Er3+ ions. Furthermore, an optical amplification method performs an optical amplification using the optical amplifier having the optical amplification medium doped with Er3+ ions. Thus, the laser to be applied in the field of optical communication, the optical amplifier having the characteristics of low noise and high gain, and the optical amplification method can be provided.

L'invention est un support d'amplification optique dopé avec des ions Er3+ qui est un verre à fluorure, un verre à chalcogénure, un verre à tellurure, un cristal à halogénure ou un verre à oxyde de plomb. Ces ions Er3+ sont excités par de la lumière ayant une longueur d'onde au moins dans la gamme allant de 0,96 µm à 0,98 µm. Ce support d'amplification optique dopé avec des ions Er3+ est incorporé à un laser ou à un amplificateur optique. Une méthode d'amplification optique utilisant un amplificateur doté de ce support d'amplification optique dopé avec des ions Er3+ est également divulguée. Le laser en cause et la méthode d'amplification divulguée peuvent donc être utilisés dans le domaine des communications optiques, l'amplificateur optique ayant les caractéristiques voulues en ce qui a trait aux niveaux de bruit et de gain.

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