Performance characteristics of 5-bit optical receive beamformer

Sabarni Palit; Sergio Granieri; Azad Siahmakoun; Bruce A. Black; Charles Pagel

doi:10.1117/12.474293

17 February 2003 Performance characteristics of a 5-bit optical receive beamformer

Sabarni Palit, Sergio Granieri, Azad Siahmakoun, Bruce A. Black, Charles Pagel

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.474293
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

This paper describes implemented methods for characterizing a 5-bit programmable dispersion matrix (PDM) that is built to control a two-channel Receive beamformer in the 1550 nm region. The architecture of the PDM, is based on an array of 5 delay lines each having two spliced fiber Bragg gratings. Phase measurements for 32 possible delay configurations of the PMD are presented. Beam-patterns of this Receive beamformer at RF frequencies of 0.2, 0.5 and 1 GHz agrees well with the theoretical calculations. The main lobe of the beam pattern is shown to be independent of frequency for several target positions thus demonstrating a 'squint-free' characteristic of this optical processor.

Citation Download Citation

Sabarni Palit, Sergio Granieri, Azad Siahmakoun, Bruce A. Black, and Charles Pagel "Performance characteristics of a 5-bit optical receive beamformer", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.474293

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