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Approximating large scale arbitrary unitaries with integrated multimode interferometers
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Paper Abstract

Unitary operations using linear optics have many applications within the quantum and neuromorphic space. In silicon photonics, using networks of simple beam splitters and phase shifters have proven sufficient to realize large-scale arbitrary unitaries. While this technique has shown success with high fidelity, the grid physically scales with an upper bound of O(n2). Consequently, we propose to considerably reduce the footprint by using multimode interference (MMI) devices. In this paper, we investigate the active control of these MMIs and their suitability for approximating traditionally used unitary circuits.

Paper Details

Date Published: 13 May 2019
PDF: 7 pages
Proc. SPIE 10984, Quantum Information Science, Sensing, and Computation XI, 109840J (13 May 2019); doi: 10.1117/12.2523581
Show Author Affiliations
Matthew van Niekerk, Rochester Institute of Technology (United States)
Jeffrey A. Steidle, Rochester Institute of Technology (United States)
Gregory A. Howland, Rochester Institute of Technology (United States)
Michael L. Fanto, Rochester Institute of Technology (United States)
Air Force Research Lab. (United States)
Nicholas Soures, Rochester Institute of Technology (United States)
Fatima Tuz Zohora, Rochester Institute of Technology (United States)
Dhireesha Kudithipudi, Rochester Institute of Technology (United States)
Stefan F. Preble, Rochester Institute of Technology (United States)


Published in SPIE Proceedings Vol. 10984:
Quantum Information Science, Sensing, and Computation XI
Eric Donkor; Michael Hayduk; Michael R. Frey; Samuel J. Lomonaco Jr.; John M. Myers, Editor(s)

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