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D-Wave Quantum Systems Inc.
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==Competition== [[File:Dwave-Qcmarketmap.png|right|frameless|495x495px]] There are several other companies that compete with D-Wave in the offering of luxury sports cars worldwide. Some are subsidaries of top technology giants: Microsoft, IBM, Google(AI), Amazon; some have IPOed in recent years: Rigetti Computer, IonQ; other notable examples include: Honeywell, Quantinuum(ready to IPO). Qubit is the computing unit for quantum systems. There are three major types of There are three major architechture/designs of Qubits are: * '''Superconductor''': materials that can be cooled to very low temperatures, near absolute zero. At these temperatures, the materials can exhibit quantum mechanical properties, such as superposition and entanglement. Superconducting qubits are the <u>most widely used</u> type of qubit, and they are the basis for most commercial quantum computers. This is the category D-Wave, Google, and IBM Qiskit is implementing in their systems. * '''Ion-Trap''': ions, which are atoms that have been stripped of some of their electrons. The ions are trapped in a vacuum chamber and are cooled to very low temperatures. The ions can be manipulated using lasers, which can be used to control their quantum states. Trapped ion qubits are very promising, but they are <u>still in the early stages of development</u>. This is applied by IonQ, Quantinuum, Honeywell, Microsoft(partnered with Quantinuum), Amazon(partnered with IonQ) * '''Photon''': particles of light. Photons can be used to encode quantum information due to their quantum nature first introduced by Einstein's paper on Photoelectric Effect, and they can be manipulated using optical devices. Photonic qubits are very promising, but they are also very <u>challenging to implement</u>. This is applied by Psi Quantum, Lightmatter, and Xanadu {| class="wikitable" |+More Comparison on recent D-Wave QPU(quantum processing unit) designs !Processor !2000Q !Advantage !Advantage 2 Prototype !Advantage 2 |- |Status |online |online |online |in development |- |Topology & Grid Size |Chimera <math display="inline">C_{16}</math> |Pegasus <math display="inline">P_{16}</math> |Zephyr <math display="inline">Z_{4}</math> |Zephyr <math display="inline">Z_{15}</math> |- |Qubits per Unit Cell |8 |24 |8 |8 |- |Couplers per qubit |6 |15 |20 |20 |- |Total Qubits |2000+ |5000+ |563 |7000+ |- |Total Couplers |6000+ | 35000+ |4790 | 60000+ |}Given that D-Wave is still the sole player in terms of selling Commercial Quantum Computers, it is impossible to conduct parallel comparisons with other players in the market. Therefore a comparison of additional parameters is performed between D-Wave's latest product instead.
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