2. P2.4 Given a lum cubic cavity, with a medium refractive index n=1, a) show that the two lowest frequencies which can exist are 260 and 367TH2.
2. P2.4 Given a lum cubic cavity, with a medium refractive index n=1, a) show that the two lowest frequencies which can exist are 260 and 367TH2.
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Transcribed Image Text:2.
P2.4 Given a lum cubic cavity, with a medium refractive index n=1, a) show that
the two lowest frequencies which can exist are 260 and 367THZ.
(b) Consider a single excited atom in the absence of photons. Let pspi be the probability
that the atom spontaneously emits a photon into the (2,1,1) mode, and pap2 be the
probability density that the atom spontaneously emits a photon with frequency of
367THZ. Find pp2/Pspl.
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