[IEEE OFC/IOOC'99. Optical Fiber Communication Conference and the International Conference on Integrated Optics and Optical Fiber Communications - San Diego, CA, USA (21-26 Feb. 1999)] OFC/IOOC . Technical Digest. Optical Fiber Communication Conference, 1999, and the International Conference on Integrated Optics and Optical Fiber Communication - Millimeter-wave optical beamforming network for phased-array antennas employing optical up-conversion and wideband chirped fiber gratings