Alexander Luis Gaeta (born 1961) is an American physicist and the David M. Rickey Professor of Applied Physics at Columbia University.
His doctoral thesis entitled, "Stochastic and Deterministic Fluctuations in Stimulated Brillouin Scattering", was completed under the supervision of Robert W. Boyd.
He also served as the director of the National Science Foundation Center of Nanoscale Systems in Information Technologies from 2008 to 2012.
[6] In 2005 he was elected a of Fellow of the American Physical Society "for pioneering experimental and theoretical investigations of nonlinear optical interactions in photonic crystal fibers and with ultrashort pulses in bulk media.
"[7] He was awarded the 2019 Charles Hard Townes Medal from the then-named Optical Society (OSA)[8] and in the same year became an elected Fellow of Institute of Electrical and Electronics Engineers.