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Product Overview


Entangled Photon Source (EPS)

NuCrypt offers an easy-to-use source of fiber-coupled polarization entangled photons in the 1550nm band. The EPS-1000 generates polarization entangled signal-idler pairs as well as a polarized alignment signal to aid in aligning subsequent measurement equipment. More Info


Correlated Photon Detection System (CPDS) - 50 MHz | 1.25 GHz

NuCrypt provides an easy-to- use integrated single photon detection system (SPD) well suited to measure quantum-correlated light beams. Our correlated photon detection system (CPDS) consist of multiple single-photon detectors (SPD) followed by electronic processing which measures the count rate of each detector individually as well as the correlations between the various detectors. A programmable delay between the detector digital outputs accounts for dissimilar fiber lengths between the signal and idler photons. We offer models with gate rates of 50 MHz and 1.25 GHz. Both models include internal memory thereby allowing the user to process raw detector data off-line. 50 MHz Version | 1.25 GHz Version


Polarization Analyzer (PA-1000)

The PA-1000 is a fiber coupled polarization analyzer. It is typically used to select the desired basis state when measuring polarization entangled states of light. In conjunction with an entangled photon source (EPS-1000) and a correlated photon detection system (CPDS-1000 or CPDS-2000), the PA- 1000 will measure two-photon interference fringes or can perform a quantum state tomography. More Info


Quantum System Control Software

NuCrypt's quantum system control software allows for automated quantum measurements. It is typically paired with a polarization analyzer (PA-1000) and a correlated single photon detection system (CPDS-1000 or CPDS-2000) to enable automated quantum state tomography (QST) or two-photon interference (TPI) fringe measurements. A graphical user interface calculates and plots useful output metrics like state fidelity. More Info