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Optical Engineering

Implementation method for a three-dimensional Banyan network in free space
Author(s): Junbo Yang; Xianyu Su
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Paper Abstract

Banyan optical networks play an important role in free-spatial photonic networks and optical communications. Based on previous research on the one-dimensional (1-D) Banyan network, the characteristics and structures of three-dimensional (3-D) Banyan networks are introduced and analyzed. Simultaneously, the experimental module of a 3-D Banyan network, which is integrated with a polarizing beam-splitter, 4×4 micro blazed-grating array plane, half-silvered mirror, 4×4 spatial light modulator, and mirror, is proposed and demonstrated. The 4×4 micro blazed-grating array plane can fulfill the vertical and horizontal connections of the 3-D Banyan network, and the mirror provides the straight connections. The theoretical analysis shows that the experimental setup can accomplish some functions such as optical signal switch, multicast, broadcast, and the 4×4 matrix conversion, and has advantages of compact in structure, low crosstalk, high speed, and efficient performance. Therefore, the designed experimental module of 3-D Banyan network can be implemented in free-spatial optical interconnection networks and optical signal processing.

Paper Details

Date Published: 1 November 2007
PDF: 9 pages
Opt. Eng. 46(11) 115003 doi: 10.1117/1.2802127
Published in: Optical Engineering Volume 46, Issue 11
Show Author Affiliations
Junbo Yang, Sichuan Univ. (China)
Xianyu Su, Sichuan Univ. (China)

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