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Light in Nature VIII
The Mach-Zehnder Interferometer (MZI) is used to illustrate the long-standing wave-particle duality problem. How can the photon divide at the first beam splitter and yet terminate on either arm with its undiminished energy? Why is which-way (welcher weg) information incompatible with wave interference? How do we explain Wheeler's delayed choice experiment? The position adopted is that the photon has two identities, one supporting particle features and the other wave features. There is photondoi:10.1117/12.2575213 fatcat:vky7yjgcfzbrxfsitz35y6zllm