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Jan Petykiewicz

Jan Petykiewicz

Hardware Engineer

Google

(209) 737 384289 5263267

jagnlewn@woigmpoihefxd.net

http://janp.me

Research

Google

Hardware Engineer

Platforms Optics Group [Hong Liu, Ryohei Urata]

Globalfoundries

Sr. Engineer, TD Research

Differentiating Technologies Research Group [Ajey Jacob]

Lithography, Modeling, and Architecture Group [Jongwook Kye]

  • Team lead for enabling freeform design and lithography-aware verification for SiPh
  • Design and technical guidance of photonic devices for future photonics nodes
  • OPC and lithography modeling for SiPh designs, focused on internal and customer designs
  • Pathfinding for inverse-designed photonics
  • EDA flow development for future electronic and photonic nodes (Cadence/Mentor)
  • Competitive analysis for future process nodes

Stanford University

PhD Student, Electrical Engineering

Nanoscale and Quantum Photonics Group [Jelena Vuckovic]

California Institute of Technology

Undergraduate Researcher

Atwater Research Group [Harry Atwater]

Senior Thesis

Summer Undergraduate Research Fellowship, sponsored by The Aerospace Corporation.

California Institute of Technology

Undergraduate Researcher

Caltech Nanofabrication Group [Axel Scherer]

Summer Undergraduate Research Fellowship, sponsored by The Aerospace Corporation.

  • Ultra-low-voltage electro-optic modulator

Education

Stanford University

Nanoscale and Quantum Photonics Group [Jelena Vuckovic]

PhD, Electrical Engineering

MS, Electrical Engineering

California Institute of Technology

BS with honors, Electrical Engineering

Lloyd House

Skills

Optics:

  • Design and fabrication nanophotonic devices: nanoscale lasers, LEDs, modulators, resonators
  • Test setup design, construction, and automation
  • Device physics modeling (FDTD, FDFD, FEM)
  • Micro-photoluminesecence, electroluminescence, and reflectivity measurements
  • Low-power, high-speed photoluminescence measurements
  • Microscope design and construction

Programming:

  • Python: End-to-end optical design. Simulation, layout, verification, lab automation, and data analysis.
  • Matlab: Lab automation, data analysis, physics optimization
  • GPU acceleration of physics simulation with CUDA and OpenCL
  • TCL, bash: EDA scripting and automation
  • C, C++, Rust: Minor projects and device drivers
  • Hobby experience in software disassembly
  • Open-source code available at https://mpxd.net/code and mirrored to Github

EDA and simulation tools:

  • Python: Purpose-built libraries for simulation, GDS / OASIS formats, automated layout, and many others.
    Extensive use of numpy, scipy, pandas/polars, ctypes, etc.
  • KLayout: Manual layout, visualization, connectivity checking
  • Mentor Calibre (SVRF/TVRF): DRC and automated layout manipulation
  • Cadence design suite, especially Virtuoso, Voltus, Innovus
  • Physics tools: Ansys Lumerical, Sentaurus TCAD, Dassault CST, devsim, scikit-rf, and others.

Nanofabrication:

  • Electron-beam lithography, SEM imaging
  • Plasma etching: Ge, InP, dielectrics
  • Process development
  • Strain engineering

Awards

National Physical Science Consortium Fellowship

Gerald L. Pearson Memorial Fellowship (Stanford)

NSF Graduate Research Fellowship Program Honorable Mention

Kanel Foundation Scholar (Caltech)

San Pietro Scholarship (Caltech)

Walmart Scholarship

National Merit Scholarship

Patents

Fixture and method for attaching fibers to V-grooves of photonic integrated circuit, D. Wang, R Urata, L. Verslegers, J. Petykiewicz, US 11,693,197, 2021.
Substrate coupled grating couplers in photonic integrated circuits, L. Wang, R. Urata, J. Petykiewicz, J. Berger, US 11,726,260, 2020.
Crossed Nanobeam Structure for a Low-Threshold Germanium Laser, D. Nam, J. A. Petykiewicz, D. S. Sukhdeo, S. Gupta, J. Vuckovic, K. C. Saraswat, US 9,595,812, 2017.
Semiconductor Wire Array Structures, and Solar Cells and Photodetectors Based on Such Structures, M. D. Kelzenberg, H. A. Atwater, R. M. Briggs, S. W. Boettcher, N. S. Lewis, J. A. Petykiewicz, US 8,808,933; WO/2011/066570A3; EP2507843A2, 2014.

Publications

>4000 citations

h-index 17

[google scholar page]

Beam shaping for ultra-compact waveguide crossings on monolithic silicon photonics platform, S. Chandran, M. Dahlem, Y. Bian, P. Moreira, A. P. Jacob, M. Rakowski, A. Stricker, K. Nummy, C. Meagher, B. Peng, A. Thomas, S. Hu, J. Petykiewicz, Z. Sowinski, W. S. Lee, R. Augur, D. Riggs, T. Letavic, A. Yu, K. Giewont, J. Pellerin, J. Viegas, Optics Letters, 2020. [doi]
Nanophotonic inverse design with SPINS: Software architecture and practical considerations, L. Su, D. Vercruysse, J Skarda, N. V. Sapra, J. A. Petykiewicz, J. Vuckovic, Applied Physics Reviews, 2020. [pdf] [doi]
On the fundamental limitations of imaging with evanescent waves, A. Y. Piggott, L. Su, J. Petykiewicz, J. Vuckovic, (preprint), 2020. [pdf]
Improving Performance, Power, and Area by Optimizing Gear Ratio of Gate-Metal Pitches in Sub-10nm Node CMOS Designs, Y. Ban, X. Zhu, J. Petykiewicz, J. Zeng, IEEE Symposium on VLSI Technology, 2018. [pdf] [doi]
Inverse design and demonstration of a compact on-chip narrowband three-channel wavelength demultiplexer, L. Su, A. Y. Piggott, N.V. Sapra, J. Petykiewicz, J. Vuckovic, ACS Photonics, 2018. [pdf] [doi]
Fabrication-constrained nanophotonic inverse design, A. Y. Piggott, J. Petykiewicz, L. Su, J. Vuckovic, Scientific Reports, 2017. [pdf] [doi]
Direct bandgap light emission from strained Ge nanowires coupled with high-Q optical cavities, J. Petykiewicz, D. Nam, D. S. Sukhdeo, S. Gupta, S. Buckley, A. Y. Piggott, J. Vuckovic, K. C. Saraswat, Nano Letters, 2016. [pdf] [doi]
Strained Ge light emitter with Ge on dual insulators for improved thermal conduction and optical insulation, Y. Kim, J. Petykiewicz, S. Gupta, J. Vuckovic, K. C. Saraswat, D. Nam, IEIE Transactions on Smart Processing & Computing, 2015. [pdf] [doi]
Inverse design and demonstration of a compact and broadband on-chip wavelength demultiplexer, A. Y. Piggott, J. Lu, K. G. Lagoudakis, J. Petykiewicz, T. M. Babinec, J. Vuckovic, Nature Photonics, 2015. [pdf] [doi]
Ge microdisk with lithographically-tunable strain using CMOS-compatible process, D. S. Sukhdeo, J. Petykiewicz, S. Gupta, D. Kim, and S. Woo, Y. Kim, J. Vuckovic, K. C. Saraswat, D. Nam, Optics Express, 2015. [pdf] [doi]
Second-harmonic generation in GaAs photonic crystal cavities in (111)B and (001) crystal orientations, S. Buckley, M. Radulaski, J. Petykiewicz, K. G. Lagoudakis, J. H. Kang, M. Brongersma, K. Biermann, J. Vuckovic, ACS Photonics, 2014. [pdf] [doi]
Nonlinear frequency conversion using high-quality modes in GaAs nanobeam cavities, S. Buckley, M. Radulaski, J. L. Zhang, J. Petykiewicz, K. Biermann, J. Vuckovic, Optics Letters, 2014. [pdf] [doi]
Multimode nanobeam cavities for nonlinear optics: high quality resonances separated by an octave, S. Buckley, M. Radulaski, J. L. Zhang, J. Petykiewicz, K. Biermann, J. Vuckovic, Optics Express, 2014. [pdf] [doi]
Inverse design and implementation of a wavelength demultiplexing grating coupler, A. Y. Piggott, J. Lu, T. M. Babinec, K. G. Lagoudakis, J. Petykiewicz, J. Vuckovic, Scientific Reports, 2014. [pdf] [doi]
Strain-induced pseudoheterostructure nanowires confining carriers at room temperature with nanoscale-tunable band profiles, D. Nam, D. S. Sukhdeo, J.-H. Kang, J. Petykiewicz, J. H. Lee, W. S. Jung, J. Vuckovic, M. L. Brongersma, K. C. Saraswat, Nano Letters, 2013. [pdf] [doi]
Electrical properties of GaAs photonic crystal cavity lateral p-i-n diodes, J. Petykiewicz, G. Shambat, B. Ellis, J. Vuckovic, Applied Physics Letters, 2012. [pdf] [doi]
Electrically driven photonic crystal nanocavity devices, G. Shambat, B. Ellis, J. Petykiewicz, M.A. Mayer, A. Majumdar, T. Sarmiento, J. Harris, E.E. Haller, J. Vuckovic, Selected Topics in Quantum Electronics, IEEE Journal of, 2012. [pdf] [doi]
Ultrafast direct modulation of a single-mode photonic crystal nanocavity light-emitting diode, G. Shambat, B. Ellis, A. Majumdar, J. Petykiewicz, M. A. Mayer, T. Sarmiento, J. Harris, E. E. Haller, J. Vuckovic, Nature Communications, 2011. [pdf] [doi]
Nanobeam photonic crystal cavity light-emitting diodes, G. Shambat, B. Ellis, J. Petykiewicz, M. A. Mayer, T. Sarmiento, J. Harris, E. E. Haller, J. Vuckovic, Applied Physics Letters, 2011. [pdf] [doi]
Enhanced absorption and carrier collection in Si wire arrays for photovoltaic applications, M. D. Kelzenberg, S. W. Boettcher, J. A. Petykiewicz, D. B. Turner-Evans, M. C. Putnam, E. L. Warren, J. M. Spurgeon, R. M. Briggs, Nathan S. Lewis, H. A. Atwater, Nature Materials, 2010. [pdf] [doi]

Invited conference talks

Electrically Controlled Photonic Crystal Nanocavity Sources and Modulators, J. Petykiewicz, G. Shambat, B. Ellis, T. Sarmiento, A. Piggott, J. Vuckovic, IEEE Photonics Society Summer Topicals, Waikoloa, HI, 2013.
Optical nanocavities: From light sources to single cell probes, J. Petykiewicz, G. Shambat, B. Ellis, T. Sarmiento, A. Piggott, J. Vuckovic, IEEE Photonics Conference, Bellevue, WA, 2013.
Electrical design for lateral junction photonic crystal lasers and LEDs, J. Petykiewicz, G. Shambat, B. Ellis, J. Vuckovic, Photonics West, San Francisco, CA, 2013.
Photonic Crystal Nanocavity Lasers and Modulators, J. Vuckovic, B. Ellis, G. Shambat, J. Petykiewicz, A. Majumdar, T. Sarmiento, M. Mayer, Harris J. S., E. Haller, IEEE Photonics Conference, Burlingame, CA, 2012.