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Unitary t-design with an optimal number of parameters on a linear-optical platformтезисы доклада
- Авторы: Grinshtein R.A., Dyakonov I.V., Borzenkova O.V., Straupe S.S., Kulik S.P.
- Сборник: Proceedings of the 9th international School on Quantum Technologies QTS’26
- Тезисы
- Год издания: 2026
- Первая страница: 13
- Последняя страница: 14
- Номер статьи: 5
- Аннотация: Programmable interferometers are a key tool for realizing arbitrary unitary matrices on a linearoptical platform, a promising physical realization of quantum computing. Constructing arbitrary Haar unitary matrices requires O(N^2) programmable phase shifters, which is a computationally and experimentally challenging task. However, many applications only require reproducing the first few moments of the Haar measure, leading to the use of unitary t-designs. In this work, we present a compact interferometer scheme that efficiently generates a 1-design using only O(N) parameters, and propose a general method for constructing t-designs of higher orders.
- Добавил в систему: Гринштейн Роберт Алексеевич