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15 août 2024 · Understanding the performance of quantum processors is key to developing increasingly capable quantum processors. Randomized benchmarking (RB) is the most widely used method to quantify the performance of quantum gates. Existing RB protocols rely on motion reversal circuits that perform a series of random gates followed by an operation that ...
12 août 2024 · Optical quantum information processing relies critically on Bell-state measurement, a ubiquitous operation for quantum communication and computing. Its practical realization involves the interference of optical modes and the detection of a single photon in an indistinguishable manner. Yet, in the absence of efficient photon-number-resolution ...
29 juil. 2024 · How efficient is a device? Through a series of innovations, we determine both the ideal inputs to any quantum device and the breadth of behavior the device can exhibit from any input. The results are highly relevant for quantum technology, since fixed devices are manufactured to transform any quantum input they receive.
1 août 2024 · PRESS RELEASE — BTQ Technologies Corp., a global quantum technology company focused on securing mission-critical networks, is pleased to announce that on Friday, July 19, 2024, BTQ and ID Quantique (IDQ) signed a Memorandum of Understanding (MOU) for joint research, development, and mutual cooperation to create an innovative authentication system combining Quantum Random Number Generators ...
7 août 2024 · Encoding information redundantly using quantum error-correcting (QEC) codes allows one to overcome the inherent sensitivity to noise in quantum computers to ultimately achieve large-scale quantum computation. The Steane QEC method involves preparing an auxiliary logical qubit of the same QEC code as used for the data register. The data and auxiliary registers are then coupled with a logical ...
13 août 2024 · What makes quantum mechanics truly quantum? A possible answer lies in the complexity of simulating quantum mechanics on a classical computer. By exploiting the structure of quantum states, one can sometimes efficiently classically simulate certain corners of the Hilbert space. Two prominent classes of classically tractable states are product ...
