Measurement of two-mode squeezing with photon number resolving multi-pixel detectors
Dmitry A. Kalashnikov, Si-Hui Tan, Timur Sh. Iskhakov, Maria V., Chekhova, Leonid A. Krivitsky
TL;DR
This paper demonstrates the measurement of two-mode squeezed vacuum using photon number resolving multi-pixel detectors, enabling noise reduction observation over a broad gain range inaccessible with standard detectors.
Contribution
It introduces the use of multi-pixel photon counters for measuring two-mode squeezing, expanding the dynamic range of observable noise reduction.
Findings
Noise reduction observed over a broad gain range
Effective use of multi-pixel detectors for quantum measurements
Enhanced measurement capabilities compared to standard detectors
Abstract
The measurement of the two-mode squeezed vacuum generated in an optical parametric amplifier (OPA) was performed with photon number resolving Multi-Pixel Photon Counters (MPPCs). Implementation of the MPPCs allows for the observation of noise reduction in a broad dynamic range of the OPA gain, which is inaccessible with standard single photon avalanche photodetectors.
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