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Quil is a quantum instruction set architecture that first introduced a shared quantum/classical memory model. It was introduced by Robert Smith, Michael Curtis, and William Zeng in A Practical Quantum Instruction Set Architecture. [1]
Quantum processors are difficult to compare due to the different architectures and approaches. Due to this, published physical qubit numbers do not reflect the performance levels of the processor. This is instead achieved through the number of logical qubits or benchmarking metrics such as quantum volume , randomized benchmarking or circuit ...
Both, traditional quantum computing and neuromorphic quantum computing are physics-based unconventional computing approaches to computations and do not follow the von Neumann architecture. They both construct a system (a circuit) that represents the physical problem at hand and then leverage their respective physics properties of the system to ...
Neutral atom quantum computing makes use of several technological advancements in the field laser cooling, magneto-optical trapping and optical tweezers.In one example of the architecture, [9] an array of atoms is loaded into a laser cooled at micro-kelvin temperatures.
The IBM Quantum Experience offers free access to writing quantum algorithms and executing them on 5 qubit quantum computers. IBM's roadmap for quantum computing shows 65 qubit systems available in 2020 and 127 qubits to be available sometime in 2021.
Quantum lambda calculi are extensions of the classical lambda calculus introduced by Alonzo Church and Stephen Cole Kleene in the 1930s. The purpose of quantum lambda calculi is to extend quantum programming languages with a theory of higher-order functions. The first attempt to define a quantum lambda calculus was made by Philip Maymin in 1996 ...
Bose–Einstein condensate-based quantum computer [27] [28] Transistor-based quantum computer (string quantum computers with entrainment of positive holes using an electrostatic trap) Rare-earth-metal-ion-doped inorganic crystal based quantum computer [29] [30] (qubit realized by the internal electronic state of dopants in optical fibers)
A quantum random access memory (RAM) blueprint is unveiled. [93] A model of a quantum transistor is developed. [94] Long distance entanglement is demonstrated. [95] Photonic quantum computing is used to factor a number by two independent labs. [96] A quantum bus is developed by two independent labs. [97] A superconducting quantum cable is ...