The detectors we propose are based on the single Cooper pair box (SCB), a mesoscopic superconducting device that has been successfully developed at JPL for applications in quantum computing. This concept allows for frequency multiplexing of a large number of pixels using a single RF line, and ...
Quantum Detectors introduces the Quantum C100. Born from discussions in the Cryo-EM field, this detector is designed as the ideal detector for performance at 100keV. View Product V2F100 The V2F100 allows users to perform high-resolution voltage-to-frequency conversion, a technique widely used in...
An advance in fabricating superconducting contacts to germanium leads to new tools for controlling the quantum state of electrons in quantum dots. Ilan T. Rosen News & Views10 Feb 2025Nature Materials P: 1-2 Spin control of hybrid quantum-dot-based radical pairs ...
The Quantum DetectorsA critical component of any spectrometer is obviously the system employed to detect the radiation. The parameters which describe the performance of this detector then invariably determine many of those which specify the overall performance of the spectrometer itself....
Thirty years after it was first proposed, quantum teleportation remains one of the most important protocols in quantum information and quantum technologies, enabling the nonlocal transmission of an unknown quantum state. Quantum teleportation can be
What if the little system exchanges with the large system thermodynamic quantities represented by matrices that don’t commute with each other? Colleagues and I began answering this question, four years ago. The small system, we argued, thermalizes to near a quantum state that contains noncommutin...
prod the quantum system in their lab, as well as link their labs via telephone. We abbreviate the set of local operations and classical communications as LOCC. Nilanjana broadened my view to the superset SEP, the operations that map every separable (unentangled) state to a separable state. ...
Assuming that the quantum state of SPDC photon pairs is given by Eq. (59), the near-field correlations are governed by the profile of the pump beam W(ρ) and the Fourier transform of the phase matching function: Γ(ρ)=F{γ(q)}. Typically, Γ(ρ) is much narrower than W(ρ) at...
range may be possible20, but further investigation on the probe state requirements and generalization to arbitrary detectors is needed. Furthermore, QSE with a well-calibrated detector using QDT requires an additional numerical inversion step that adds to the computational tasks for state estimation....
32. We assumed that the largest reduced deflection in Fig. 3 of Ref.32 corresponds to the largest allowed value for Θ. A derived diameter of 0.347 cm is not unreasonable for beam detectors.) We then simulate the experiment signal of Ref.32 by constructing the apparent cross section σapp...