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Proceedings Paper

Packaging and system demonstration of an X-band phased array antenna utilizing highly dispersive photonic crystal fiber based true-time-delay
Author(s): Harish Subbaraman; Maggie Yihong Chen; Ray T. Chen
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Paper Abstract

We demonstrate single RF beam transmission and reception of an X-band phased array antenna using highly dispersive photonic crystal fiber (PCF) based true-time-delay (TTD) lines. The dispersion coefficient of the fabricated fiber is as high as -600ps/nm/km at a wavelength of 1545nm. Coupling between a dispersion shifted fiber (DSF) and the fabricated PCF is performed by using an ultra high numerical aperture (UHNA) intermediate fiber, which helps in achieving a good coupling efficiency and keeping the insertion loss of the delay lines to under 3.5dB. Using the PCF-TTD network, we report the transmission of 8.4GHz signal at 7.40 and 12GHz signal at 21.20 by tuning the laser wavelength to 1547.72nm and 1552.52nm respectively. Single beam receiving capability is also demonstrated by accurately detecting 8.4GHz signal coming from -7.40 and 12GHz signal coming from -21.20 by tuning the wavelengths to 1547.72nm and 1552.52nm respectively..

Paper Details

Date Published: 17 February 2009
PDF: 9 pages
Proc. SPIE 7221, Photonics Packaging, Integration, and Interconnects IX, 722107 (17 February 2009); doi: 10.1117/12.811027
Show Author Affiliations
Harish Subbaraman, The Univ. of Texas at Austin (United States)
Maggie Yihong Chen, Omega Optics, Inc. (United States)
Ray T. Chen, The Univ. of Texas at Austin (United States)


Published in SPIE Proceedings Vol. 7221:
Photonics Packaging, Integration, and Interconnects IX
Alexei L. Glebov; Ray T. Chen, Editor(s)

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