After earning his Ph.D., Gibbs remained at U.C. Berkeley as an Acting Assistant Professor until 1967. He then joined
Bell Labs in Berkeley Heights, New Jersey where he worked until 1980. For one year during this period, 1975 to 1976, he was an exchange scientist at
Philips in Eindhoven, Holland. He was also a visiting lecturer at
Princeton University from 1978 to 1979. Gibbs was able to concentrate more fully on his research, particularly his work with Dr.
Galina Khitrova (whom he married in 1986) and
Dr. Stephan W. Koch on the quantum nano-optics of semiconductors. Gibbs became a professor emeritus in 2011, but continued his work until his death in 2012. ==Honors==