![]() Nodes may not modify or interact with qubits that they do not manage without physically receiving the qubits from a different node, performing teleportation, or via non-local operations.Ĭurrent experimental distributed quantum computing is quite primitive. Each node on a quantum network is connected via a classical and quantum channel and manages its own classical register for storing bits of information such as quantum system measurements. To solve these issues, computing over a network of quantum computers connected by quantum channels has been proposed.ĭistributed quantum computing (DQC) is a means of leveraging the computational power of a quantum network in order to solve a problem too large for any single quantum computer. Some of the effects of decoherence and gate errors can be mitigated by Quantum Error Correction (QEC), however, know QEC algorithms requires large numbers of ancilla qubit overhead to be feasible in current systems. As a result, individual quantum computers are limited to solving problems involving few qubits and limited number of gate operations. In spite of the large advances in quantum computing, the computing hardware is still at a small scale due to challenges unique to quantum hardwares originating from gate errors and decoherence. This race has been taking place at university labs led by CalTech, Maryland, Stanford, as well as frontier companies such as Google, Microsoft, and Honeywell. There has been a race to create quantum computers with numerous quantum bit (qubit) candidates ranging from electron spins, photons, ions, or even topological qubits. If achieved, quantum computers will revolutionalize the computational world which has applications in medicine, cryptography, and machine learning and artificial intelligence among other industries. ![]() The state of quantum computing has rapidly advanced in recent years due to widespread public attention and its allure for solving problems such as integer factorization, faster than linear search, and estimating the ground state energy in complex molecules. Authors: Matthew Radzihovsky, Mason Swofford, Alex Fuster
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