Introduces instantaneous eigenstate method for photon evolution in time-varying media, deriving 25% max single-photon-pair probability from vacuum and 84% max for Bell states, plus spectral control via material temporal profiles.
(15)] When there are initially no photons present, |ψ(0)⟩ = |0, 0⟩, the state of the system at later times is described by |ψ(t)⟩ =P n,m Cn,m(t) |n, m⟩
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2025 1verdicts
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Photon State Evolution in Arbitrary Time-Varying Media
Introduces instantaneous eigenstate method for photon evolution in time-varying media, deriving 25% max single-photon-pair probability from vacuum and 84% max for Bell states, plus spectral control via material temporal profiles.