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Entanglement-enhanced optical gyroscope

Fink, Matthias ; Steinlechner, Fabian ; Handsteiner, Johannes ; Dowling, Jonathan P ; Scheidl, Thomas ; Ursin, Rupert

New journal of physics, 2019-05, Vol.21 (5), p.53010 [Periódico revisado por pares]

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Título:
Entanglement-enhanced optical gyroscope
Autor: Fink, Matthias ; Steinlechner, Fabian ; Handsteiner, Johannes ; Dowling, Jonathan P ; Scheidl, Thomas ; Ursin, Rupert
Assuntos: Autonomous cars ; Entanglement ; entanglement-enhanced ; fiber optic gyroscope ; Fiber optic gyroscopes ; Fiber optics ; Noise sensitivity ; NOON-state ; Optical fibers ; Optical measuring instruments ; Physics ; Sagnac effect ; Shot ; shot-noise limit ; super-resolution
É parte de: New journal of physics, 2019-05, Vol.21 (5), p.53010
Notas: NJP-109958.R1
Descrição: Fiber optic gyroscopes (FOG) based on the Sagnac effect are a valuable tool in sensing and navigation and enable accurate measurements in applications ranging from spacecraft and aircraft to self-driving vehicles such as autonomous cars. As with any classical optical sensors, the ultimate performance of these devices is bounded by the shot-noise limit (SNL). Quantum-enhanced interferometry allows us to overcome this limit using non-classical states of light. Here, we report on an entangled-photon gyroscope that uses path-entangled NOON-states (N = 2) to provide super-resolution and phase sensitivity beyond the shot-noise limit.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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