Optical Frequency beating with two different polarizations

[AlbertoRC]

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Beating optical frequencies on a photodiode can give us a direct link between rf and optical domain. This is well known for example when using Optical Frequency Combs for spectroscopy applications.

However, if two optical frequency combs or just two optical frequencies are in different polarization states, can they beat? And if they are in orthogonal polarization states? Why / Why not?

Thank you in advance!

 

[berkeman]

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