Publications

ECOC, October 2023

• All-silicon microring modulator achieving 1 Tb/s net rate with coherent detection Postdeadline Session
• Ultra-compact silicon IQ modulator beyond 100 GBaud
• Silicon photonic modulator bandwidth enhancement with integrated capacitance
• Integrated programmable mode generator and multiplexer on a silicon chip
• A Comprehensive Experimental Investigation on Power Consumption of Multi-mode Pumped Super L-band EDFAs

CLEO, May 2023

• Record High Throughput using Electronic 2×2 MIMO with OAM Multiplexing
• Design of MPLC approach for high coupling efficiency OAM mode into ring-core optical fibers
• Neural Networks for Fiber Amplifier Design Optimization using Experimental Training Sets
• Impedance Peaking in Silicon Traveling Wave Mach-Zehnder Modulators
• Analysis of Non-Saturable Absorption for Optimization of L-Band EDF Performance
• 16 dBm bismuth-doped fiber laser at 1725 nm

IEEE Silicon Photonics Conference, April 2023

• Ultra-compact silicon modulator for 124 GBaud coherent optical links Postdeadline Session

OFC, March 2023

• Bandwidth-Dependent Gain Deviation in E+S band Bismuth Doped Fiber Amplifier under Automatic Gain Control

ECOC, September 2022

• Circularly Polarized OAM Multiplexing Using an Integrated Phased Array (pdf)
• Net 556.8 Gbps/pol Coherent Transmission Enabled by a Two-segment All-Silicon Modulator (pdf)
• Expanded Modal Capacity for OAM with Standard 2×2 MIMO (poster)

Photonics North, May 2022

• Optimizing Geometric Shaping of 16QAM for Phase Noise Channels Using Deep Learning
• Nonlinearity reduction in a fiber interferometer interrogated by a wavelength sweeping diode laser 

CLEO, May 2022

• Experimental Demonstration of a Constellation Shaped via Deep Learning and Robust to Residual-Phase-Noise (pdf)
• Fabrication and Characterization of Baria-Silicate Erbium-Doped Fiber Amplifiers (pdf)
• Spectral gain measurement of extended L-band EDFAs using a saturating tone (pdf)

OFC, March 2022

• Modal Loss Characterisation of Thick Ring Core Fiber Using Perfect Vortex Beams (pdf)
• Segmented Silicon Photonic Modulator with a 67-GHz Bandwidth for High-Speed Signaling (pdf)

Photonics West, January 2022

• Concentric Layers with Heterogeneous Doping for Cladding-Pumped L-Band Fiber Amplifiers 

ECOC, September 2021

• Silicon IQ Modulator for 120 Gbaud QAM (pdf) 
• Silicon Microring Modulator with Polarization Insensitivity (pdf) 

OFC, June 2021

• Silicon Nitride Band Splitter Based on Multimode Bragg Gratings (pdf) 
• DAC-Less PAM-4 Slow-Light Silicon Photonic Modulator Assisted by Coupled Bragg Grating Resonators (pdf)

IEEE BlackSeaCom, May 2021

• Geometric Constellation Shaping Using Initialized Autoencoders (pdf) (video)

CLEO, May 2021

• Raman-Kerr Combs in High-Q Chalcogenide Microresonators Coupled to Silicon Waveguides (pdf) 
• Hybrid Chalcogenide-Silicon Subwavelength Grating Waveguides Microring Resonators (pdf) 

CLEO, December 2020

• Characterization of an Aluminophosphosilicate Fiber with Annular Erbium Doping for Improved Performance of Cladding-Pumped Amplifiers (pdf) (video)

CLEO, May 2020

• Neural Nets to Approach Optimal Receivers for High Speed Optical Communication (pdf) (video)
• 5G Service Overlay in WD, Optical Access Network with Colorless Smart Edge Based on SiP MRM (pdf) (video)
• Two-channel data transmission on a polarization-maintaining highly elliptical core fiber without MIMO (pdf) (video)
• Hybrid Integration of High-Q Chalcogenide Microring Resonators on Silicon-on-insulator (pdf) (video)
• Silicon Nitride Arrayed Waveguide Grating with a Waveguide Superlattice (pdf) (video)

OFC, March 2020

• Modeling the Breakdown in Degeneracy for High-Index-Contrast Ring Core Fiber (pdf) (video)
• Silicon Photonics to Add 5G RoF Services to PONs Employing Carrier Reuse (pdf) (video)
• All Silicon IQ Modulator with 1Tb/s Line Rate (Top Scored Paper) (pdf) (video)
• An extended L-band EDFA using C-band pump wavelength (pdf) 
• Novel Fuseless Optical Fiber Side-Coupler based on Half-Taper for Cladding Pumped EDFAs (pdf) 
• Dual-Band Filtering Using a Single Device (poster)

ECOC, September 2019

• An 8-core Erbium-doped fiber with annular doping for low gain compression in cladding-pumped amplifiers (pdf) 
• Experimental Demonstration of a WDM-Compatible Polarization-Diverse OAM Generator and Multiplexer in Silicon Photonics (pdf) 

OFC, March 2019

• All-Silicon IQ Modulator for 100 GBaud 32QAM Transmissions (Post Deadline Paper) (video)
• Experimental Demonstration of Reduced-size LUT Predistortion for 256QAM SiP Transmitter (video)
• Ultra-Compact DWDM Filter Tunable Across the C-band (poster)
• Silicon Microring IQ Modulator Enabled Single Sideband OFDM Transmission (poster)

• Invited presentation at Photonics West 2024, L. Rusch, Meeting high speed transmission targets with silicon photonics 
• Invited presentation at Photonics North 2023, W. Shi, Hybrid integration of glass materials with silicon photonics for advanced laser applications
• Invited presentation at SPIE Specialty Optical Fibres 2023, L. Rusch & S. LaRochelle, Ring core fiber supporting orbital angular momentum for modal multiplexing
• Invited presentation at CLEO 2023, L. Rusch, Silicon photonics optimized for high-capacity transmission
• Invited presentation at OFC 2023, L. Rusch, Silicon Photonics for High-Speed 5G and Optical Networks
• Invited presentation at ECOC 2021, L. Rusch, S. LaRochelle & M. Banawan, Ring-core fibers supporting propagation of OAM modes (video)
• Invited tutorial presentation at ONDM 2021 25th International Conference on Optical Network Design and Modelling, L. Rusch, X. Guan & W. Shi, Silicon photonics enabling 5G optical networks over PON infrastructures (video)
• Invited presentation at OFC 2021, S. LaRochelle, C. Matte-Breton, Y. Messaddeq, C. Kelly & R. Essiambre, Cladding-pumped multicore amplifiers with ring doping
• Invited workshop presentation at OFC 2021: Is Photonics Integration Ready for Next-Generation Optical Access Demands? L. Rusch, W. Shi & X. Guan, Challenges and opportunities in scaling SiP to higher baud rates (video)
• OSA Campfire Session 2021, W. Shi, Scaling capacity of fiber-optic transmission systems via silicon photonics (video)
• Nanophotonics De Gruyter 2020, W. Shi, Y. Tian & A. Gervais, Scaling capacity of fiber-optic transmission systems via silicon photonics (pdf)
• CLEO PacificRim 2020, L. Rusch, Optical Signal Processing for Coherent Communications (video)
• APC Networks 2020, L. Rusch, Design silicon photonics systems for high speed networks (video)
• APC Networks 2020, S. LaRochelle, Design of fibers with Erbium-ring-doping in the cladding for spatially integrated amplifiers (video)
• Photonics North 2020, W. Shi, Multiplexing of optical vortices in silicon photonic circuits (video)
• Photonics West 2020, W. Shi, Broadband silicon photonic polarimeter using subwavelength grating metamaterial waveguides (pdf) 
• OFC 2019, W. Shi, Silicon photonic modulators for high-capacity coherent transmissions (pdf) 
• IPC 2019, L. Rusch, Shaping optical fibers to mode division multiplex without MIMO (pdf)