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quant-ph2020
Super-Sensitive Quantum Metrology with Separable States
Mayukh Lahiri, Manuel Erhard
We introduce a super-sensitive phase measurement technique that yields the Heisenberg limit without using either a squeezed state or a many-particle entangled state. Instead, we us…
quant-ph2018
Many-Particle Interferometry and Entanglement by Path Identity
Mayukh Lahiri
We introduce a general scheme of many-particle interferometry in which two identical sources are used and "which-way information" is eliminated by making the paths of one or more p…