H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/07 (2006.01) H01S 3/063 (2006.01) H01S 3/067 (2006.01) H01S 3/17 (2006.01) H01S 3/16 (2006.01)
Patent
CA 2044983
The present invention relates to an optical functioning glass containing Nd3+ as an active ion which amplifies an input light, and at least one other optical active ion different from Nd3+ which absorbs light at and near 1 µm. The present invention also relates to an optical functioning glass containing Nd3+ as an active ion which amplifies the input light, and at least one other optical active ion different from Nd3+ functioning as a promoter. An efficiency of the stimulated emission of Nd3+ caused by signal light propagated through the optical functioning glass is enhanced and a gain of the light amplification at 1.3 µm is increased.
La présente invention porte sur un verre optique renfermant Nd3+ comme ion actif, qui amplifie la lumière incidente, et au moins un autre ion optiquement actif, autre que Nd3+, qui absorbe la lumière à (et près de) 1 micron. La présente invention porte également sur un verre optique contenant Nd3+ comme ion actif, qui amplifie la lumière incidente, et au moins un autre ion optiquement actif, autre que Nd3+, qui agit comme promoteur. L'efficacité de l'émission stimulée de Nd3+, grâce au signal lumineux propagé à travers le verre optique, se trouve améliorée et il y a augmentation du gain de l'amplification de lumière à 1,3 micron.
Chigusa Yoshiki
Miyajima Yoshiaki
Nakazato Koji
Onishi Masashi
Sugawa Tomoki
Marks & Clerk
Nippon Telegraph And Telephone Corporation
Sumitomo Electric Industries Ltd.
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