Multiplex communications – Wide area network – Packet switching
Patent
1982-03-10
1985-11-05
Orsino, Jr., Joseph A.
Multiplex communications
Wide area network
Packet switching
350 9616, 370 30, 370 32, H04B 900
Patent
active
045518297
ABSTRACT:
A wavelength division multiplexed fiber-optic communication system employs a pair of terminal stations, at opposite ends of the fiber-optic link, with the base configuration of each terminal station being the same. In each station a selective coupling arrangement is provided between the source or transmitter devices as well as the receiver devices and the single optical fiber over which the transmission are to take place so as to effectively make the terminals interchangeable. For achieving this purpose, each terminal station is comprised of a transmitter or source arrangement that is capable of generating a plurality of wavelengths. Similarly, each terminal station includes a receiver or detector which is capable of detecting the plurality of wavelengths that are selectively available for transmission or generated by the transmitter or source. The transmitter or source may comprise a single multiwavelength source such as a dual semiconductor laser generator the control and bias connections for which provide the selectivity for the wavelength of interest. Similarly, a multiple wavelength sensitive receiver, constituting a single unit, is associated with the multiple wavelength source. The multiple wavelength transmitter device may also be comprised of a plurality of individual transmitter or source devices the activation of which is selected by controllably switching or engaging the desired source.
REFERENCES:
patent: 4213677 (1980-07-01), Sugimoto et al.
patent: 4288868 (1981-09-01), Grotjohann et al.
patent: 4303303 (1981-12-01), Aoyama
patent: 4322126 (1982-03-01), Minowa et al.
patent: 4374390 (1983-02-01), Lee
patent: 4449244 (1984-05-01), Kopainsky
Bailey David C.
Bardos Andrew M.
Burberry Lee M.
Dragoo Robert E.
Grossman Barry G.
Harris Corporation
Orsino Jr. Joseph A.
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