Protecting the Quantum Interference of Cat States by Phase-Space Compression
Xiaozhou Pan, Jonathan Schwinger, Ni-Ni Huang, Pengtao Song, Weipin Chua, Fumiya Hanamura, Atharv Joshi, Fernando Valadares, Radim Filip, Yvonne Y. Gao
Abstract
Compressing the spectral content of quantum interference features in Schr\"odinger cat states to lower frequencies protects them against photon loss and preserves the most valuable characteristics that enable many quantum technologies.
Topics & Concepts
Interference (communication)QuantumPhysicsPhotonQuantum technologyPhase spaceQuantum imagingPhase (matter)Quantum mechanicsComputer scienceOpen quantum systemTelecommunicationsChannel (broadcasting)Quantum Information and CryptographyCold Atom Physics and Bose-Einstein CondensatesQuantum Mechanics and Applications