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Programmable dispersion on a photonic integrated circuit for classical and quantum applications

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  • Jelena Notaros
  • Jacob Mower
  • Mikkel Heuck
  • Cosmo Lupo
  • Nicholas C. Harris
  • Gregory T. Steinbrecher
  • Darius Bunandar
  • Tom Baeher-Jones
  • Michael Hochberg
  • Seth Lloyd
  • Dirk Englund


Publication details

JournalOptics Express
DateAccepted/In press - 31 Jul 2017
DateE-pub ahead of print - 23 Aug 2017
DatePublished (current) - 4 Sep 2017
Issue number18
Pages (from-to)21275-21285
Early online date23/08/17
Original languageEnglish


We demonstrate a large-scale tunable-coupling ring resonator array, suitable for high-dimensional classical and quantum transforms, in a CMOS-compatible silicon photonics platform. The device consists of a waveguide coupled to 15 ring-based dispersive elements with programmable linewidths and resonance frequencies. The ability to control both quality factor and frequency of each ring provides an unprecedented 30 degrees of freedom in dispersion control on
a single spatial channel. This programmable dispersion control system has a range of applications, including mode-locked lasers, quantum key distribution, and photon-pair generation. We also propose a novel application enabled by this circuit – high-speed quantum communications using temporal-mode-based quantum data locking – and discuss the utility of the system for performing the high-dimensional unitary optical transformations necessary for a quantum data
locking demonstration.

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© 2017, Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.

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