Accession Number : AD1031445


Title :   Programmable Quantum Photonic Processor Using Silicon Photonics


Descriptive Note : Technical Report,01 Jun 2014,01 Sep 2016


Corporate Author : Massachusetts Institute of Technology Cambridge United States


Personal Author(s) : Englund,Dirk R


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1031445.pdf


Report Date : 01 Apr 2017


Pagination or Media Count : 23


Abstract : Photons play a central role in many areas of quantum information processing and quantum sensing, ranging from linear optics quantum computing and quantum simulation to quantum communications. A central problem in many of these applications is the need to control many spatial and temporal modes with high efficiency and precision. Photonic integrated circuits can contain closely-spaced and extremely phase-stable components that enable precision control of many spatial and temporal modes in dielectric waveguides. This program developed photonic integrated circuits (PICs) based on the silicon-on-insulator platform. We developed large-scale PICs with cascaded Mach-Zehnder interferometers (MZI) with precision electro-optic modulators. These PICs have very low internal losses (0.1 dB/MZI) and achieve exceptionally high contrast interference ( 80 dB) over tens of spatial modes. These fully programmable mode transformers have driven experimental and theoretical advances in quantum simulation, cluster-state quantum computing, all-optical quantum repeaters, neuromorphic computing, and other applications. In addition, we developed new schemes for ballistic quantum computation, new methods for high-efficiency single photon sources, a new approach for 3-photon cluster state generation that forms the essential ingredient for percolation-based generation of scalable cluster states, and quantum logic gates based on weak optical nonlinearities.


Descriptors :   photonic integrated circuits , mach zehnder interferometers , information processing , quantum computing , logic gates


Subject Categories : Fiber Optics and Integrated Optics


Distribution Statement : APPROVED FOR PUBLIC RELEASE