Conditional phase gate
WebMay 3, 2024 · The blue and brown fringes are obtained by flipping the state of qubit A at the beginning of the sequence, revealing the conditional phase accumulated during the gate Δ φ ≃ 0.95 π. (b) Quantum process tomography of the CZ gate. The experimentally extracted process tomography matrix χ reproduces a CZ operation with a fidelity of 0.97. WebDec 9, 2024 · We control the Z Z-coupling rate over 3 orders of magnitude to perform a rapid (38 ns), high-contrast, low leakage (0.14 ± 0.24 %) conditional phase C Z gate with a …
Conditional phase gate
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WebNov 14, 2024 · After the second iSWAP 11−20 gate, this phase shows up as a conditional phase on \({\left {11}\right\rangle}\). Besides idling, an extra phase may also accumulate during the period of frequency ...
WebSep 22, 2024 · In this work, a scheme for a conditional phase (CPHASE) gate using the polarisation and orbital angular momentum degrees of freedom is proposed. The scheme utilises linear optical elements and is a fundamental step towards the realisation of one-time measurement-based quantum computation using optical systems. A generalisation of … Webtwo transmon qubits, and then a conditional-phase gate is ‘activated’ on the otherwise unperturbed qubit subspace via a microwave drive. We implement this microwave-activated conditional-phase gate with a fidelity from quantum process tomography of ∼87%. 1 Author to whom any correspondence should be addressed.
WebNov 18, 2005 · Linear optics quantum logic gates are the best tool to generate multiphoton entanglement. Simplifying a recent approach, we were able to implement the … WebSep 18, 2024 · Conditional-phase (cz) gates in transmons can be realized by flux pulsing computational states towards resonance with noncomputational ones. We present a 40 …
WebThe two-qubit gates are: - controlled Pauli gates - controlled Hadamard gate - controlled rotation gates - controlled phase gate - controlled u3 gate - swap gate. ... Here the classical bit by the first measurement is random but the conditional operation results in the qubit being deterministically put into \ ...
WebJan 12, 2024 · The traditional Stage-Gate Process or Phase Gate Process has five basic steps after the discovery or the ideation process is completed. These include scoping, … dave collins baseball referenceWebWhy are conditional phase shift gates, such as CZ, symmetrical? Why do both the control and target qubit pick up a phase? Furthermore, assuming that they are symmetrical, … dave coffee syrupWebMar 29, 2024 · Combining this with the spin-echo sequence, we assess the potential to generate a high-fidelity and fast conditional phase gate using capacitive interactions in a linear QD array. Results ... black and gold shellac nailsWebIn IBM Quantum Composer, the phase disk at the terminus of each qubit gives the local state of each qubit at the end of the computation. Hovering over a phase disk gives full … dave collins baseball wivesWebConditional Phase Gate Superconducting Qubits. In the paper "Demonstration of two-qubit algorithms with a superconducting quantum processor" (L. DiCarlo et al., Nature 460, … black and gold shelfWebNov 19, 2013 · In conclusion, we have demonstrated a microwave-activated c-Phase gate, utilizing a fixed resonance condition in the higher-energy manifolds of two transmon … black and gold shelvesWebJul 9, 2013 · Microwave-activated conditional-phase gate for superconducting qubits. We introduce a new entangling gate between two fixed-frequency qubits statically coupled … black and gold shield