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VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
Roy Glauber (born 1925), US physicist holding a sheet of quantum optics calculations. In 1995, Roy Glauber received the Nobel Prize in Physics along with John Hall and Theodor Hansch for their contribution to the understanding of light. Glauber obtained a PhD in physics in 1949 from Harvard University, Cambridge, Massachusetts, USA. He is the Mallinckrodt Professor of Physics at Harvard University. Glauber's paper 'The Quantum Theory of Optical Coherence' was published in Physical Review in 1963. It established the basis for applying quantum physics to optical phenomena, forming a new field of research known as quantum optics. Glauber's theories were able to describe the differences between hot sources of light, such as light bulbs, and lasers, which have a specific frequency and phase.
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