Reconfigurable optical interconnection network for multimode optical fiber sensor arrays

Ray T. Chen; Daniel P. Robinson; Huey T. Lu; Michael R. Wang; Tomasz P. Jannson; Robert J. Baumbick

doi:10.1117/12.56154

1 May 1992 Reconfigurable optical interconnection network for multimode optical fiber sensor arrays

Ray T. Chen, Daniel P. Robinson, Huey T. Lu, Michael R. Wang, Tomasz P. Jannson, Robert J. Baumbick

Author Affiliations +

Optical Engineering, Vol. 31, Issue 5, (May 1992). https://doi.org/10.1117/12.56154

Abstract

A single-source, single-detector architecture has been developed to implement a reconfigurable optical interconnection network for multimode optical fiber sensor arrays. The network was realized by integrating LiNbO₃ electro-optic (EO) gratings working at the Raman Nath regime and a massive fan-out waveguide hologram (WH) working at the Bragg regime onto a multimode glass waveguide. The glass waveguide utilized the whole substrate as a guiding medium. A 1-to-59 massive waveguide fan-out was demonstrated using a WH operating at 514 nm. Measured diffraction efficiency of 59% was experimentally confirmed. Reconfigurability of the interconnection was carried out by generating an EO grating through an externally applied electric field. Unlike conventional single-mode integrated optical devices, the guided mode demonstrated here has an azimuthal symmetry in mode profile which is the same as that of a fiber mode.

Citation Download Citation

Ray T. Chen, Daniel P. Robinson, Huey T. Lu, Michael R. Wang, Tomasz P. Jannson, and Robert J. Baumbick "Reconfigurable optical interconnection network for multimode optical fiber sensor arrays," Optical Engineering 31(5), (1 May 1992). https://doi.org/10.1117/12.56154

Published: 1 May 1992

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