Question

How would I physically implement an optical parametric amplifier in the lab?

Answer 1

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This might seem like a silly question, but I want to learn more about optical parametric amplifiers (OPAs), specifically for use in quantum optic exerpiments, and it is unclear to me whether one goes out and purchases these amplifiers, or if one makes their own. From the theory I have read, it appears as though an OPA is simply a nonlinear crystal that one inputs two beams into. (In contrast to, for example, and SPDC experiment where only one beam is shined into the crystal and the output is two beams).

So I guess my question is, if I wanted to have an OPA in my experiment, would it be as simple as getting a χ(2) crystal, and shining two beams through it? (After satisfying the phase matching conditions of course).

Answer 2

I am sorry I am in 7 th class cannot help u