Abstract

It was believed that, for strictly nonblocking multicast and broadcast interconnect operations to be achieved, a switching network had to have a minimum of N2 switching states, i.e., a crossbar-type switch. A novel system concept that reduces the switching complexity while maintaining nonblocking multicast networking is proposed and experimentally demonstrated.

© 1994 Optical Society of America

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References

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  1. G. S. Almasi, A. Gottlieb, Highly Parallel Computing (Benjamin, New York, 1989), Chap. 8.
  2. G. W. Richards, in Optical Computing, Vol. 7 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), pp. 2–5.
  3. J. Sharony, T. Stern, Y. Li, “Universality of the multidimensional switching networks,” IEEE Trans. Networks (to be published).
  4. C. E. Shannon, Bell Syst. Tech. J. 29, 343 (1950).
  5. A. VanderLugt, Optical Signal Processing (Wiley, New York, 1972), Chap. 7.

1950

C. E. Shannon, Bell Syst. Tech. J. 29, 343 (1950).

Almasi, G. S.

G. S. Almasi, A. Gottlieb, Highly Parallel Computing (Benjamin, New York, 1989), Chap. 8.

Gottlieb, A.

G. S. Almasi, A. Gottlieb, Highly Parallel Computing (Benjamin, New York, 1989), Chap. 8.

Li, Y.

J. Sharony, T. Stern, Y. Li, “Universality of the multidimensional switching networks,” IEEE Trans. Networks (to be published).

Richards, G. W.

G. W. Richards, in Optical Computing, Vol. 7 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), pp. 2–5.

Shannon, C. E.

C. E. Shannon, Bell Syst. Tech. J. 29, 343 (1950).

Sharony, J.

J. Sharony, T. Stern, Y. Li, “Universality of the multidimensional switching networks,” IEEE Trans. Networks (to be published).

Stern, T.

J. Sharony, T. Stern, Y. Li, “Universality of the multidimensional switching networks,” IEEE Trans. Networks (to be published).

VanderLugt, A.

A. VanderLugt, Optical Signal Processing (Wiley, New York, 1972), Chap. 7.

Bell Syst. Tech. J.

C. E. Shannon, Bell Syst. Tech. J. 29, 343 (1950).

Other

A. VanderLugt, Optical Signal Processing (Wiley, New York, 1972), Chap. 7.

G. S. Almasi, A. Gottlieb, Highly Parallel Computing (Benjamin, New York, 1989), Chap. 8.

G. W. Richards, in Optical Computing, Vol. 7 of 1993 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993), pp. 2–5.

J. Sharony, T. Stern, Y. Li, “Universality of the multidimensional switching networks,” IEEE Trans. Networks (to be published).

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Figures (4)

Fig. 1
Fig. 1

Top and side views of a schematic two-dimensional (2D) free-space optical nonblocking multicast network of reduced switching complexity.

Fig. 2
Fig. 2

Calculated one-dimensional (1D) angular channel capacity bounded by the three system constraints. The total capacity is the square of the capacity shown here.

Fig. 3
Fig. 3

Photograph of the experimental setup. The optical path is folded twice by two mirrors.

Fig. 4
Fig. 4

Photographs of the experimental results taken at various cross sections of the network.

Equations (5)

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T 2 f c h 2 v 2 .
B 2 v 2 λ f c z .
M TB 4 h 2 λ z .
M SB 4 S 2 λ f 1 .
M NA 2 n B v f 1 z s f c .

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