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quant-ph2025
Nonlinear squeezing of superpositions of quadrature eigenstates
VojtÄch KuchaÅ, Petr Marek
We introduce a family of operators exploiting the symmetry of superpositions of quadrature eigenstates (SQE) and demonstrate how the associated nonlinear squeezing, quantified by t…
quant-ph2024
Ground state nature and nonlinear squeezing of Gottesman-Kitaev-Preskill states
Petr Marek
The main bottleneck for universal quantum computation with traveling light is the preparation of Gottesman-Kitaev-Preskill states of sufficient quality. This is an extremely challe…