Publications

* indicates that the authors contributed equally.

Preprints

  1. PT-Symmetric Topological Edge-Gain Effect
    Alex Y. Song, Xiao-Qi Sun, Avik Dutt, Momchil Minkov, Casey Wojcik, Haiwen Wang, Ian Williamson, Meir Orenstein, Shanhui Fan
    arXiv:1910.10946 [physics, physics:quant-ph]
    October 2019
    arXiv
  2. Parallel Fault-Tolerant Programming of an Arbitrary Feedforward Photonic Network
    Sunil Pai, Ian A. D. Williamson, Tyler W. Hughes, Momchil Minkov, Olav Solgaard, Shanhui Fan, David A. B. Miller
    arXiv:1909.06179 [physics]
    September 2019
    arXiv
  3. Wave Physics as an Analog Recurrent Neural Network
    Tyler W. Hughes*, Ian A. D. Williamson*, Momchil Minkov, Shanhui Fan
    arXiv:1904.12831 [physics]
    April 2019
    arXiv
  4. Absence of Unidirectionally Propagating Surface Plasmon-Polaritons in Nonreciprocal Plasmonics
    Siddharth Buddhiraju, Yu Shi, Alex Song, Casey Wojcik, Momchil Minkov, Ian A. D. Williamson, Avik Dutt, Shanhui Fan
    arXiv:1809.05100 [physics]
    September 2018
    arXiv
  5. Fundamental Limits to Signal Integrity in Nonlinear Parametric Optical Circulators
    Ian A. D. Williamson, Zheng Wang
    arXiv:1711.02060 [physics]
    November 2017
    arXiv

Journal Articles

  1. Reprogrammable Electro-Optic Nonlinear Activation Functions for Optical Neural Networks
    Ian A. D. Williamson, Tyler W. Hughes, Momchil Minkov, Ben Bartlett, Sunil Pai, Shanhui Fan
    IEEE Journal of Selected Topics in Quantum Electronics, vol. 26, num. 1, pp. 1-12
    January 2020
    pdf
  2. Forward-Mode Differentiation of Maxwell’s Equations
    Tyler W Hughes, Ian A.D. Williamson, Momchil Minkov, Shanhui Fan
    ACS Photonics
    October 2019
    pdf
  3. Penetration Depth Reduction with Plasmonic Metafilms
    Nathan Z. Zhao, Ian A. D. Williamson, Zhexin Zhao, Salim Boutami, Shanhui Fan
    ACS Photonics, vol. 6, num. 8, pp. 2049-2055
    July 2019
    pdf
  4. Broadband Optical Switch Based on an Achromatic Photonic Gauge Potential in Dynamically Modulated Waveguides
    Ian A. D. Williamson, Shanhui Fan
    Physical Review Applied, vol. 11, num. 5, pp. 054035
    May 2019
    pdf
  5. High Reflection from a One-Dimensional Array of Graphene Nanoribbons
    Nathan Zhao, Zhexin Zhao, Ian A. D. Williamson, Salim Boutami, Bo Zhao, Shanhui Fan
    ACS Photonics, vol. 6, num. 2, pp. 339-344
    February 2019
    pdf
  6. Adjoint Method and Inverse Design for Nonlinear Nanophotonic Devices
    Tyler W. Hughes*, Momchil Minkov*, Ian A. D. Williamson, Shanhui Fan
    ACS Photonics, vol. 5, num. 12, pp. 4781-4787
    December 2018
    pdf
  7. Zero-Index Bound States in the Continuum
    Momchil Minkov, Ian A. D. Williamson, Meng Xiao, Shanhui Fan
    Physical Review Letters, vol. 121, num. 26, pp. 263901
    December 2018
    pdf
  8. Dual-Carrier Floquet Circulator with Time-Modulated Optical Resonators
    Ian A. D. Williamson, S. Hossein Mousavi, Zheng Wang
    ACS Photonics, vol. 5, num. 9, pp. 3649-3657
    September 2018
    pdf
  9. Large Cavity-Optomechanical Coupling with Graphene at Infrared and Terahertz Frequencies
    Ian A. D. Williamson, S. Hossein Mousavi, Zheng Wang
    ACS Photonics, vol. 3, num. 12, pp. 2353-2361
    December 2016
    pdf
  10. Extraordinary Wavelength Reduction in Terahertz Graphene-Cladded Photonic Crystal Slabs
    Ian A. D. Williamson, S. Hossein Mousavi, Zheng Wang
    Scientific Reports, vol. 6, pp. 25301
    May 2016
    pdf
  11. Kinetic Inductance Driven Nanoscale 2D and 3D THz Transmission Lines
    S. Hossein Mousavi, Ian A. D. Williamson, Zheng Wang
    Scientific Reports, vol. 6, pp. 25303
    May 2016
    pdf
  12. Suppression of the Skin Effect in Radio Frequency Transmission Lines via Gridded Conductor Fibers
    Ian A. D. Williamson, Thien-An N. Nguyen, Zheng Wang
    Applied Physics Letters, vol. 108, num. 8, pp. 083502
    February 2016
    pdf

Patents

  1. Multiple Sorting of Columns in a Displayed Table in a User Interactive Computer Display Interface through Sequential Radial Menus
    Rhys D. Ulerich, Ian A. Williamson
    US8161407 B2
    April 2012

Conferences

  1. Wave Physics as an Analog Recurrent Neural Network
    Ian A. D. Williamson, Tyler W. Hughes, Momchil Minkov, Shanhui Fan
    International Symposium on Ultrafast Photonic Technologies & Special Symposium on Silicon Photonics of the Future
    June 2019
  2. Adjoint-Based Inverse Design of Nonlinear Nanophotonic Devices
    Tyler W. Hughes, Momchil Minkov, Ian A. D. Williamson, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper SW4J.7
    May 2019
  3. Training of Photonic Neural Networks through In Situ Backpropagation
    Tyler W. Hughes, Momchil Minkov, Ian A. D. Williamson, Yu Shi, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper JF3F.2
    May 2019
  4. Lossless Zero-Index Guided Modes via Bound States in the Continuum
    Momchil Minkov, Ian A. D. Williamson, Meng Xiao, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper FM1B.2
    May 2019
  5. High Reflection from a One-Dimensional Array of Graphene Nanoribbons
    Nathan Zhao, Zhexin Zhao, Ian A. D. Williamson, Salim Boutami, Bo Zhao, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper FF2A.1
    May 2019
  6. Broadband Switches Using Photonic Aharonov-Bohm Interferometers and Dynamic Modulation
    Ian A. D. Williamson, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper FF1B.5
    May 2019
  7. Absence of Frequency Ranges of Undirectional Propagation in Nonreciprocal Plasmonics
    Siddharth Buddhiraju, Yu Shi, Alex Song, Casey Wojcik, Momchil Minkov, Ian A. D. Williamson, Avik Dutt, Shanhui Fan
    Conference on Lasers and Electro-Optics (2019), Paper FM1C.7
    May 2019
  8. In-Situ Backpropagation in Photonic Neural Networks
    Momchil Minkov, Tyler W. Hughes, Yu Shi, Ian A. D. Williamson, Shanhui Fan
    Frontiers in Optics / Laser Science (2018), Paper FW1C.3
    September 2018
  9. Cascaded Floquet Resonators as Dual-Carrier Optical Circulators
    Ian Williamson, Zheng Wang
    Frontiers in Optics
    September 2017
  10. Enhanced Dispersive and Dissipative Coupling Regimes in Graphene Optomechanics
    Ian Williamson, Hossein Mousavi, Zheng Wang
    Conference on Lasers and Electro-Optics
    June 2016
  11. Strong Attractive Force Between Graphene Sheets at Terahertz Induced by Extraordinary Wavelength Reduction
    Danlu Wang, Ian Williamson, Hossein Mousavi, Zheng Wang
    Conference on Lasers and Electro-Optics
    June 2016
  12. Dynamically Tunable Graphene/Dielectric Photonic Crystal Transmission Lines
    Ian Williamson, S. Hossein Mousavi, Zheng Wang
    APS March Meeting Abstracts
    March 2015
  13. Graphene Planar Interconnects: Dispersively- and Geometrically-Controlled Attenuation in RC, LC, and Skin-Depth Regimes
    S. Hossein Mousavi, Ian Williamson, Zheng Wang
    MRS Spring Meeting
    April 2014
  14. Dielectric Interconnects For THz Chip-to-Chip Communications
    Ian Williamson, Kristen N. Parrish, Andrea Alu, Deji Akinwande
    SRC Techcon
    November 2012