A three-photon KPO realizes a protected cat-qutrit manifold, with coherence shown via Rabi oscillations and Wigner tomography, plus breathing dynamics that time-domain measure the protection gap.
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quant-ph 2years
2026 2representative citing papers
The three-photon Kerr parametric oscillator exhibits a threefold degenerate ground state of superpositions of squeezed states, tunable to anti-squeezing, for a protected Kerr-cat qutrit.
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Realisation of a Protected Cat-Qutrit Manifold via Engineered Quantum Tunnelling
A three-photon KPO realizes a protected cat-qutrit manifold, with coherence shown via Rabi oscillations and Wigner tomography, plus breathing dynamics that time-domain measure the protection gap.
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Quantum theory of a three-photon Kerr parametric oscillator
The three-photon Kerr parametric oscillator exhibits a threefold degenerate ground state of superpositions of squeezed states, tunable to anti-squeezing, for a protected Kerr-cat qutrit.