Unformatted text preview: light into the upper beam by φ . This amounts to > >→ > >→ 1  1    ϕ i e (a) Suppose that a photon is incident in the beam represented by 0>. Determine the probability with which it arrives at detector D and the probability with which it arrives at D 1 . (Hint: Write the photon state after the beam splitter 1 and 2. Be careful about the phase change at the splitters and mirrors). (b) What would be the answer in (a) if the photon is incident in the beam represented by 1>? D 1 B 2 M 1 1> 0> Phase Shifter M 2 D B 1...
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 Spring '08
 JS
 mechanics, Light, Phase Shifter, upper beam, Phase Shifter B2, higher reflective index

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