output
20142026
most cited1 Low power continuous-wave nonlinear optics in silica glass integrated waveguide structures

733 citations

23 papers

cs.HC2026

Pixel Watch: Robust Heart Rate Sensing from Multipath PPG and On-Device Deep Learning Trained on 10,000 hours of Free-Living and Fitness Data

Daniel Roggen, Megan Walker, Yojan Patel +26

The Pixel Watch 2 (PW2) is the first Google smartwatch to combine multipath photoplethysmography (PPG) with deep learning-based heart rate inference, designed to significantly impr…

physics.med-ph2026

Pulse-Width-Specific Phase Space Informed Universal Beam Modeling for UHDR electron LINAC in FLASH-RT

Rafael Carballeira, David J. Gladstone, Kevin J. Willy +2

Commercial treatment planning systems for electron FLASH radiotherapy are unavailable, and the dosimetric precision required for ultra-high dose rate delivery makes Monte Carlo (MC…

cs.LG2026

AngelSlim: A more accessible, comprehensive, and efficient toolkit for large model compression

Rui Cen, QiangQiang Hu, Hong Huang +10

This technical report introduces AngelSlim, a comprehensive and versatile toolkit for large model compression developed by the Tencent Hunyuan team. By consolidating cutting-edge a…

eess.SP2024★ 18 cited

Optimising O-to-U Band Transmission Using Fast ISRS Gaussian Noise Numerical Integral Model

Mindaugas Jarmolovičius, Daniel Semrau, Henrique Buglia +5

We model the transmission of ultrawideband signals, including wavelength-dependent fibre parameters: dispersion, nonlinear coefficient and effective fibre core area. To that end, t…

eess.SP2022★ 2 cited

Few-bit Quantization of Neural Networks for Nonlinearity Mitigation in a Fiber Transmission Experiment

Jamal Darweesh, Nelson Costa, Antonio Napoli +4

A neural network is quantized for the mitigation of nonlinear and components distortions in a 16-QAM 9x50km dual-polarization fiber transmission experiment. Post-training additive…

eess.SP2022★ 1 cited

Learned Digital Back-Propagation for Dual-Polarization Dispersion Managed Systems

Mohannad Abu-romoh, Nelson Costa, Antonio Napoli +3

Digital back-propagation (DBP) and learned DBP (LDBP) are proposed for nonlinearity mitigation in WDM dual-polarization dispersion-managed systems. LDBP achieves Q-factor improveme…

eess.SP2021

Transfer Learning for Neural Networks-based Equalizers in Coherent Optical Systems

Pedro J. Freire, Daniel Abode, Jaroslaw E. Prilepsky +4

In this work, we address the question of the adaptability of artificial neural networks (NNs) used for impairments mitigation in optical transmission systems. We demonstrate that b…

eess.SP2021★ 8 cited

Performance versus Complexity Study of Neural Network Equalizers in Coherent Optical Systems

Pedro J. Freire, Yevhenii Osadchuk, Bernhard Spinnler +5

We present the results of the comparative analysis of the performance versus complexity for several types of artificial neural networks (NNs) used for nonlinear channel equalizatio…

physics.optics2021★ 733 cited

1 Low power continuous-wave nonlinear optics in silica glass integrated waveguide structures

M. Ferrera, L. Razzari, D. Duchesne +7

Photonic integrated circuits (PICs) are a key component [1] for future telecommunication networks, where demands for greater bandwidth, network flexibility, low energy consumption…

cs.IT2020

Input-distribution-aware successive cancellation list decoding of polar codes

Carlo Condo

Polar codes are linear block codes that can achieve channel capacity at infinite code length. Successive cancellation list (SCL) decoding relies on a set of parallel decoders; it y…

physics.ins-det2019★ 32 cited

Inverted Scanning Microwave Microscope for In Vitro Imaging and Characterization of Biological Cells

Marco Farina, Xin Jin, Gianluca Fabi +10

This paper presents for the first time an innovative instrument called an inverted scanning microwave microscope (iSMM), which is capable of noninvasive and label-free imaging and…

physics.optics2017★ 190 cited

Ultra-low power nonlinear optics in a high Q CMOS compatible integrated micro-ring resonator

M. Ferrera, D. Duchesne, L. Razzari +8

We demonstrate efficient, low power, continuous-wave four-wave mixing in the C-band, using a high index doped silica glass micro ring resonator having a Q-factor of 1.2 million. A…

physics.app-ph2017★ 205 cited

Ultra-High Electro-Optic Activity Demonstrated in a Silicon-Organic Hybrid (SOH) Modulator

Clemens Kieninger, Yasar Kutuvantavida, Delwin L. Elder +9

Efficient electro-optic (EO) modulators crucially rely on advanced materials that exhibit strong electro-optic activity and that can be integrated into high-speed and efficient pha…

physics.med-ph2017★ 186 cited

A 20-Channel Magnetoencephalography System Based on Optically Pumped Magnetometers

Amir Borna, Tony R. Carter, Anthony P. Colombo +6

We describe a multichannel magnetoencephalography (MEG) system that uses optically pumped magnetometers (OPMs) to sense the magnetic fields of the human brain. The system consists…

physics.optics2017★ 421 cited

Parametric gain and wavelength conversion via third order nonlinear optics a CMOS compatible waveguide

A. Pasquazi, M. Peccianti, M. Lamont +4

We demonstrate sub-picosecond wavelength conversion in the C-band via four wave mixing in a 45cm long high index doped silica spiral waveguide. We achieve an on/off conversion effi…

physics.optics2017★ 175 cited

First and second order all-optical integrating functions in a photonic integrated circuit

Marcello Ferrera, Yongwoo Park, Luca Razzari +5

We demonstrate all-optical temporal integration of arbitrary optical waveforms with temporal features as short as ~1.9ps. By using a four-port micro-ring resonator based on CMOS co…

physics.optics2017★ 24 cited

Measurement of ultrashort optical pulses via time lens imaging in CMOS compatible waveguides

Alessia Pasquazi, Yongwoo Park, Sai T. Chu +5

We demonstrate temporal measurements of subpicosecond optical pulses via time-to-frequency conversion in a 45cm long CMOS compatible high index glass spiral waveguide. The measurem…

physics.app-ph2017★ 165 cited

Wavelength conversion of data at gigabit rates via nonlinear optics in an integrated micro-ring resonator

Alessia Pasquazi, Raja Ahmad, Martin Rochette +5

We present the first system penalty measurements for all-optical wavelength conversion in an integrated ring resonator. We achieve wavelength conversion over a range of 27.7nm in t…

physics.optics2014★ 473 cited

Novel architecture for ultra-stable micro-ring resonator based optical frequency combs

Alessia Pasquazi, Lucia Caspani, Marco Peccianti +8

We report a novel geometry for OPOs based on nonlinear microcavity resonators. This approach relies on a self-locked scheme that enables OPO emission without the need for thermal l…

physics.optics2014★ 442 cited

Ultra-pure RF tone from a micro-ring resonator based optical frequency comb source

Alessia Pasquazi, Marco Peccianti, Brent E. Little +3

We demonstrate a novel mode locked ultrafast laser, based on an integrated high-Q micr-oring resonator. Our scheme exhibits stable operation of two slightly shifted spectral optica…

physics.optics2014★ 2 cited

Hydex waveguides for nonlinear optics

David J. Moss, Alessia Pasquazi, Marco Peccianti +6

We demonstrate a wide range of novel functions in integrated, CMOS compatible, devices. This platform has promise for telecommunications and on-chip WDM optical interconnects for c…

physics.optics2014★ 454 cited

Phase-sensitive optical pulse characterization on a chip via Spectral Phase Interferometry for Direct Electric-Field Reconstruction (SPIDER)

Alessia Pasquazi, Marco Peccianti, Yongwoo Park +5

The recent introduction of coherent optical communications has created a compelling need for ultra-fast phase-sensitive measurement techniques operating at milliwatt peak power lev…

physics.optics2014★ 450 cited

Ultrafast modelocked nonlinear micro-cavity laser

M. Peccianti, A. Pasquazi, Y. Park +4

Ultrashort pulsed lasers, operating through the phenomenon of mode-locking, have played a significant role in many facets of our society for 50 years, for example in the way we exc…