Abstract

<p><a href="http://www.osa-jon.org/features/OIN_2004.html">Feature Issue on Optical Interconnection Networks (OIN)</a></p> The rectangular crossbar network is commonly used in switching networks because it has the advantages of easy connection-path rebuilding, wide-sense nonblocking, and no crossover in its interconnection lines. However, this kind of network has two major disadvantages: one is that it has nonzero differential loss, and the other is that its signal-to-noise ratio (SNR) is decreased by both the increase of the network dimension and the insertion loss of switches. Here the cyclic crossbar network structure is presented. The cyclic crossbar network is similar to the rectangular crossbar network. For both types of network, an N×N network is constructed by N columns, and each column consists of N switches. The major difference is that construction with N backslash lines and N slash lines is used for the cyclic crossbar network. For every backslash line to have its crosspoint on the right side, the network structure is designed into a circle shape. In this type of network, the differential loss is eliminated and SNR is independent on insertion loss of switches, but the original advantages are maintained.

© 2004 Optical Society of America

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13th Technol and Vocational Educ. Conf. (1)

J. S. Deng and Y. T. Huang, "Improvement of SNR with new network structure: cyclic crossbar network," in Proceedings of the 13th Technological and Vocational Education Conference of R.O.C. (Ministry of Education, Taiwan, R.O.C., 1998), Vol. 3, pp. 105-114.

Appl. Opt. (1)

Bell Syst. Tech. J. (1)

C. Clos, "A study of non-blocking switching network," Bell Syst. Tech. J. 41, 406-424 (1953).

GLOBECOM 1984 (1)

H. S. Hinton, "A nonblocking optical interconnection network using directional couplers," in Proceedings of GLOBECOM (IEEE, 1984), pp. 885-889.

GLOBECOM 1996 (1)

P. Giacomazzi and V. Trecordi, "A study of nonblocking multicast switching network," in Proceedings of GLOBECOM (IEEE, 1996), pp. 739-743.

IEEE Commun. Mag. (1)

R. A. Spanke, "Architectures for guided-wave optical space switching systems," IEEE Commun. Mag. (May 1987), pp. 42-48.

IEEE Trans. Lightwave Technol. (1)

C. C. Lu and R. A. Thompson, "The double-layer network architecture for photonic switching," IEEE Trans. Lightwave Technol. 12, 1482-1489 (1994).

Opt. Lett. (2)

Optical Memory Neural Netw. (1)

Y.-T. Huang, J.-S. Deng, D.-C. Su, and J.-T. Chang, "Holographic polarization-selective and wavelength-selective elements in optical network applications," Optical Memory Neural Netw. 6, 249-260 (1997).

Proc. SPIE (2)

J.-S. Deng and Y.-T. Huang, "Multistage type 1 network with holographic optical switches," in Optoelectronic Interconnects III, R. T. Chen and H. S. Hinton, eds., Proc. SPIE 2400, 235-243 (1995).

J. S. Deng and Y. T. Huang, "New network structure: cyclic crossbar network," in Optical Interconnects in Broadband Switching Architectures, T. J. Cloonan, ed., Proc. SPIE 2692, 222-232 (1996).

Other (1)

V. E. Benes, Mathematical Theory of Connecting Networks and Telephone Traffic (Academic, New York, 1965).

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