Optical wavelength-division multiplex system

Details Optical wavelength-division multiplex system Optical wavelength-division multiplex system

1981-09-17

1984-04-03

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370123, 350 9619, H04J 102

Patent

active

044411812

ABSTRACT:
An optical wavelength division multiplex system having a multiplexer unit, a demultiplexer unit and means for forming a transmission path between the two units characterized by each of the multiplexer and demultiplexer units being composed of at least two reflecting grating modules interconnected by at least one interference module which reflection and interference modules of each unit are matched to one another. The system enables increasing the number of transmission channels with different carrier wavelengths while the insertion losses are maintained in an acceptable range.

REFERENCES:
patent: 1617392 (1927-02-01), Jammer
patent: 4198117 (1980-04-01), Kobayashi
"Wavelength-Division Multiplex Transmission over Multimode Optical Fibers: Comparison of Multiplexing Principles" by Winzer et al., Siemens Forsch-U. Entwickl.-Ber. Bd. 9 (1980) NR. 4.
A. Reichelt, "Low-Loss Lenseless Wavelength-Division Multiplexers" Proc. 6th Europ. Conf. Optical Comm., Sep., 16-19, 1980, York England, IEE Conference Publication No. 190 (1980) pp. 294-297 K.
Kobayashi et al., "Microoptic Grating Multiplexers and Optical Isolators for Fiber-Optic Communications" IEEE Journal of Quantum Electronics, vol. QE-16, No. 1, Jan. 1980, pp. 11-22.
H. F. Mahlein "Designing of Edge Interference Filters for Wavelength-Division Multiplex Transmission over Multimode Optical Fibers" Siemens Forsch.-u Entwickl.-Ber vol. 9, No. 3, 1980 p. 142-150.

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