The heralded OPA protocol generates cubic phase states with fidelity exceeding 0.99 from coherent states and amplifies cat states from amplitude ≤1 to ≥2 with fidelity >0.99 while offering self-seeding for larger states.
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Programmable optical parametric amplifier synthesizer for cubic phase states and amplified Schrodinger cat states
The heralded OPA protocol generates cubic phase states with fidelity exceeding 0.99 from coherent states and amplifies cat states from amplitude ≤1 to ≥2 with fidelity >0.99 while offering self-seeding for larger states.