Understanding Squeezed States and their Detection Using the Schrödinger Picture
Nearly all theoretical treatments of squeezed states employ the Heisenberg picture. Moreover, the nonclassical nature of the squeezed state is often emphasized. This can lead one to believe that it is difficult to develop an intuitive feel for what squeezed states are and what makes them special. We show that the important features of a squeezed state can be effectively understood through an elementary wavefunction method. By viewing the time-dependent Schrödinger wavefunctions for the electric and magnetic fields, we see that the crucial aspects of squeezed light involve time-dependent correlations between the fluctuations of the electric and magnetic fields. This approach yields not only an easy way to understand squeezed states, but also an elementary means for calculating their properties.
KeywordsCoherent State Quantum Operator Schrodinger Equation Heisenberg Picture Optical Cycle
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