Wavelength router

Details Wavelength router Wavelength router

1996-08-30

2000-08-01

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359128, H04J 1402

Patent

active

060975172

ABSTRACT:
A wavelength router has first ports each receiving or providing a first multiwavelength optical signal having wavelengths, and second ports each providing or receiving second multiwavelength optical signals having multiplexed wavelengths. The number of multiplexed wavelengths of the second multiwavelength optical signal is smaller than the number of wavelengths of the first multiwavelength optical signal. The first multiwavelength optical signal is demultiplexed into the second multiwavelength optical signal. The second multiwavelength optical signals are multiplexed into the first multiwavelength optical signal. The first multiwavelength optical signal has a number N of multiplexed wavelengths, and the second ports are divided into M sets of second ports. The first multiwavelength optical signal is demultiplexed into optical signals having a number N/M of multiplexed wavelengths, which are supplied to the M sets of second ports.

REFERENCES:
Masafumi Koga et al, "Optical Path Cross-Connect System--Transport Experiment in Simulating 5-Node Network", Procedings of the 1995 Communications Society Conference of The Institute of Electronics, Information and Communication Engineers of Japan, 1995, pp. 474-475.
Jacob Sharony et al, "The Wavelength Dilation Concept in Lightwave Networks--Implementation and System Considerations", Journal of Lightwave Technology, IEEE, vol. 11, No. 5/6, May/Jun. 1993, pp. 900-907.
Y.D. Jin et al, "Performance Degradation Due to Cross-talk in Multiwavelength Optical Networks Using Dynamic Wavelength Routing", IEEE Photonics Technology Letters, vol. 7, No. 10, Oct. 1995, pp. 1210-1212.

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