Title :
Exploiting the attenuation of fiber-optic passive taps to create large high-capacity LANs and MANs
Author_Institution :
AT&T Bell Labs., Holmdel, NJ, USA
fDate :
3/1/1991 12:00:00 AM
Abstract :
A local- or metropolitan-area network (LAN or MAN) that exploits the power losses of fiber-optic passive taps so that wavelengths can be reused in different portions of the network is proposed. This wavelength reuse makes it possible to design a large, high-capacity, multichannel network with many concurrent transmissions. An arbitrary number of nodes is supported by allowing packets to take multiple hops, when necessary, to reach their destinations. In one example configuration, there are two closed circular loops of fiber, one for transmissions in the clockwise direction and one for counterclockwise transmissions. Each node has one passive tap (per fiber), which is used for both a fixed-wavelength transmitter and a fixed-wavelength receiver
Keywords :
local area networks; optical communication equipment; optical fibres; optical links; optical losses; LAN; MAN; clockwise direction; closed circular loops; concurrent transmissions; counterclockwise transmissions; fiber-optic passive taps; fibre loops; fixed-wavelength receiver; fixed-wavelength transmitter; local area network; metropolitan-area network; multichannel network; multiple hops; node number; power losses; wavelength reuse; Attenuation; Bit error rate; Clocks; Local area networks; Optical attenuators; Optical fiber LAN; Optical fiber communication; Optical fiber couplers; Optical losses; Optical transmitters;
Journal_Title :
Lightwave Technology, Journal of
