Photon counting with photon number resolution through superconducting nanowires coupled to a multi-channel TDC in FPGA
arXiv:1804.00928 · doi:10.1063/1.4977594
Abstract
The paper presents a system for measuring photon statistics and photon timing in the few-photon regime down to the single-photon level. The measurement system is based on superconducting nanowire single photon detectors and a time-to-digital converter implemented into a programmable device. The combination of these devices gives high performance to the system in terms of resolution and adaptability to the actual experimental conditions. As case of application, we present the measurement of photon statistics for coherent light states. In this measurement, we make use of 8th order single photon correlations to reconstruct with high fidelity the statistics of a coherent state with average photon number up to 4. The processing is performed by means of a Time-to-Digital Converter (TDC) architecture that also hosts an Asynchronous-Correlated-Digital-Counter (ACDC) implemented in a Field Programmable Gate Array (FPGA) device and specifically designed for performance optimization in multi-channel usage.
References in corpus (9)
- Detecting Single Infrared Photons with 93% System Efficiency
- Isolated electron spins in silicon carbide with millisecond-coherence times
- Photon number resolution using a time-multiplexed single-photon detector
- High performance fiber-coupled NbTiN superconducting nanowire single photon detectors with Gifford-McMahon cryocooler
- Singlet oxygen luminescence detection with a fiber-coupled superconducting nanowire single-photon detector
- Overcoming power broadening of the quantum dot emission in a pure wurtzite nanowire
- Waveguide photon-number-resolving detectors for quantum photonic integrated circuits
- Design of broadband high-efficiency superconducting-nanowire single photon detectors
- Superconducting parallel nanowire detector with photon number resolving functionality
Cited by in corpus (4)
- Coherent metamaterial absorption of two-photon states with 40% efficiency
- High-efficiency and fast photon-number resolving parallel superconducting nanowire single-photon detector
- Enhanced Detection Rate and High Photon-Number Efficiencies with a Scalable Parallel SNSPD
- FPGA based demodulation of laser induced fluorescence in plasmas