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Proceedings Paper

Switched time-delay elements based on AlGaAs/GaAs optical waveguide technology at 1.32um for optically controlled phased-array antennas
Author(s): Charles T. Sullivan; Sayan D. Mukherjee; Mary K. Hibbs-Brenner; Anand Gopinath; Edith Kalweit; Terry Marta; W. Tim Goldberg; B. Walterson
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Paper Abstract

Integrated optical time-shift networks consisting of cascaded pairs of 2 x 2 linear electrooptic switches and optical delay lines in GaAs waveguides at 1.32 micron are investigated for true-time optical beam forming in phased array antennas. We report new state-of-the-art results in curved waveguide and corner bend insertion loss, and preliminary results from 2-bit time delay generators (TDGs) constructed in the form of GaAs-based photonic integrated circuits utilizing these components. These results represent significant progress in our longer-term goal of demonstrating a 7-bit TDG with a loss matching monolithic microwave integrated circuit (MMIC) delay line techniques, while providing very wide bandwidth unmatched by MMIC technology.

Paper Details

Date Published: 2 December 1992
PDF: 8 pages
Proc. SPIE 1703, Optical Technology for Microwave Applications VI and Optoelectronic Signal Processing for Phased-Array Antennas III, (2 December 1992); doi: 10.1117/12.138393
Show Author Affiliations
Charles T. Sullivan, Honeywell Systems and Research Ctr. (United States)
Sayan D. Mukherjee, Honeywell Systems and Research Ctr. (United States)
Mary K. Hibbs-Brenner, Honeywell Systems and Research Ctr. (United States)
Anand Gopinath, Univ. of Minnesota (United States)
Edith Kalweit, Honeywell Systems and Research Ctr. (United States)
Terry Marta, Honeywell Systems and Research Ctr. (United States)
W. Tim Goldberg, Honeywell Systems and Research Ctr. (United States)
B. Walterson, Honeywell Systems and Research Ctr. (United States)


Published in SPIE Proceedings Vol. 1703:
Optical Technology for Microwave Applications VI and Optoelectronic Signal Processing for Phased-Array Antennas III
Shi-Kay Yao; Brian M. Hendrickson, Editor(s)

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