Optical waveguides – With optical coupler – Switch
Patent
1998-07-14
2000-11-28
Healy, Brian
Optical waveguides
With optical coupler
Switch
385 15, 385 17, 385 24, 385 42, 359115, 359124, G02B 626, H04J 1400
Patent
active
06154583&
ABSTRACT:
If an optical switch unit configuring an optical switch is implemented by a three-stage circuit, optical amplifiers are arranged on the input and output sides of an optical space switch in a first stage, and the optical space switch and the optical amplifiers on both of the input and output sides are used as an expansion unit for expanding a switching capacity. Similarly, optical amplifiers are arranged on input and output sides of an optical space switch in a third stage, and the optical space switch and the optical amplifiers on both of the input and output sides are used as an expansion unit for expanding a switching capacity. Accordingly, there is no need to arrange extra optical amplifiers even at an initial setting when only part of a maximum switching capacity is used, thereby reducing an initial investment.
REFERENCES:
patent: 5241409 (1993-08-01), Hill et al.
patent: 5504827 (1996-04-01), Schimpe
patent: 5739935 (1998-04-01), Sabella
patent: 5991476 (1999-11-01), Baney et al.
patent: 6005698 (1999-12-01), Huber et al.
patent: 6034800 (2000-03-01), Asahi
Kuroyanagi Satoshi
Maeda Takuji
Nakajima Ichiro
Nishi Tetsuya
Tsuyama Isao
Fujitsu Limited
Healy Brian
LandOfFree
Optical switch does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical switch will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1733970