Charles H. Holbrow is a physicist known for his contributions to the field of physics education and research. He has worked on various topics within physics, and is often recognized for his efforts in promoting effective teaching methods and fostering a deeper understanding of physics among students. Holbrow has also been involved in writing textbooks and educational materials aimed at both undergraduate and graduate levels.
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A physicist who helped develop experiments and teaching methods for the quantum behavior of photons. With Enrique Galvez and Beth Parks, he showed how to describe a beam splitter using a unitary matrix that transforms optical modes. Treating the device at the amplitude level, including its phases, gives a common framework for single-photon interference and experiments with correlated photons.[ref]
Photon quantum mechanics and beam splitters by Charles H. Holbrow and others. Abstract; §IV.A, printed p. 262: unitary beam-splitter transformation