Emerging Optoelectronics Tech. SPIE Conference, 1991
OIDA (Optoelectronics Industry Development Association) Optics in Switching & Computing Technology Vision Workshop, Baltimore, 1993.
Optoelectronic Signal Processing for Phased Array Antennas IV SPIE Conference, Los Angeles, Jan., 1994.
Workshop on Optoelectronic Technology for Future Navy Active Array Radar, Crystal City, 1994.
OSA Ann. Meeting, Symp. on Photonics for RF and Microwave Applications, Baltimore, 1998.
Naval Surface Warfare Center (NSWC), Dahlgren Division, 1994
IEEE LEOS Annual Meeting Orlando, 1998.
US-Japan Joint Optoelectronics Program (JOP) Workshop, San Francisco, 1999.
DARPA ETO Program Workshop optics on Laser Communications Technologies, Virginia, 1999.
OSA Integrated Photonics Research (IPR) Topical Meeting, July 2000, Quebec, Canada.
DARPA Analog Optical Signal Processing (AOSP) Workshop, Virgina, 2000.
ICO Prize Invited Paper, ICO XIX Conference, Florence, Italy 2002.
NIH Optical Imaging Workshop, Bethesda, 2002.
IEEE Microwave Photonics Topical Meeting, MWP 2003, Budapest 2003.
Invited Tutorial: Liquid Crystal Agile Optics, OSA Optics for Liquid Crystals International Meeting, Oct. 1, 2005, Clearwater, Florida.
Integrated Optics-Theory & Applications (IOTA), SPIE International Congress on Optics and OptoElectronics, Warsaw, Poland, 2005.
Conf. on Liquid Crystals Optics and Applications LCOA/COO-2005, SPIE International Congress on Optics and OptoElectronics, Warsaw, Poland, 2005.
Optical Sensing II Conference, SPIE International Photonics Europe Congress, Strasbourg, France, 2006.