Four-Wave Mixing

This process is referred to as four-wave mixing due to the interaction between four different frequencies. Degenerate four-wave mixing corresponds to the case when two of the input …

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Four Wave Mixing

This process is referred to as four-wave mixing due to the interaction between four different frequencies. Degenerate four-wave mixing corresponds to the case when two of the input …

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Four-wave mixing (non-degenerate)

Four-wave mixing (partially-degenerate) f ijk f i =f j f k FWM frequency: = + − FWM power: 𝑃 = 𝐷 3 𝐿 2 𝑃 𝑃 𝑃 −𝛼𝐿𝜂, where =2𝜋𝑛2 𝜆𝐴𝑒 FWM efficiency: 𝜂= 2 2+Δ 2 1+ 4 −𝛼𝐿sin2Δ 𝐿/2 1− −𝛼𝐿2 Phase matching condition:

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Four-wave Mixing – FWM, optical fiber, nonlinearity

In the explanation above, it was assumed that four different frequency components interact via four-wave mixing. This is called non-degenerate four-wave mixing. However, there is also the possibility of degenerate four-wave mixing, where two of the four frequencies coincide. For example, there can be a single pump wave pro…

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