Unitary Ŝ(ξ) = exp[½(ξ*â² − ξ↲)] generated by two-photon processes. Acting on the vacuum produces the squeezed vacuum |0,ξ⟩; combined with displacement yields displaced-squeezed states.
Unitary Ŝ(ξ) = exp[½(ξ*â² − ξ↲)] generated by two-photon processes. Acting on the vacuum produces the squeezed vacuum |0,ξ⟩; combined with displacement yields displaced-squeezed states.