Single-chip photonic deep neural network with forward-only training

S Bandyopadhyay, A Sludds, S Krastanov… - Nature …, 2024 - nature.com
As deep neural networks revolutionize machine learning, energy consumption and
throughput are emerging as fundamental limitations of complementary metal–oxide …

Single chip photonic deep neural network with accelerated training

S Bandyopadhyay, A Sludds, S Krastanov… - arxiv preprint arxiv …, 2022 - arxiv.org
As deep neural networks (DNNs) revolutionize machine learning, energy consumption and
throughput are emerging as fundamental limitations of CMOS electronics. This has …

Programmable wavelength filter with double ring loaded MZI

M Wang, X Chen, U Khan, W Bogaerts - Scientific reports, 2022 - nature.com
We propose a novel filter circuit that incorporates a double ring resonator with a balanced
Mach–Zehnder interferometer (MZI). The circuit has a response equivalent to a conventional …

Silicon-on-insulator microwave photonic filter with widely tunable and reconfigurable flat-top bandpass functionality

C Porzi, M Reza, P Ghelfi, M Sorel… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We report of a silicon photonics (SiP) flat-top bandpass microwave photonic (MWP) filter with
large out-of-band power rejection (OBPR) of up to more than 40 dB and exhibiting central …

Silicon photonic wavelength-selective switch based on an array of adiabatic elliptical-microrings

C Zhang, Y **ang, S Liu, D Liu, H Yan… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
A compact silicon photonic wavelength-selective switch (WSS) based on an array of
elliptical microrings with adiabatically varied radii and widths is proposed and demonstrated …

Sub-kHz linewidth, hybrid III-V/silicon wavelength-tunable laser diode operating at the application-rich 1647-1690nm

JX Brian Sia, X Li, W Wang, Z Qiao, X Guo, J Zhou… - Optics …, 2020 - opg.optica.org
The wavelength region about of 1650 nm enables pervasive applications. Some instances
include methane spectroscopy, free-space/fiber communications, LIDAR, gas sensing (ie …

Temperature insensitive large free spectral range micro-ring resonator

YK Verma, S Kumari, G Bawa, SM Tripathi - Optical and Quantum …, 2022 - Springer
Simultaneous temperature insensitive and large free spectral range (FSR) micro-ring
resonator is reported using wide ring waveguide. The analysis has been performed using …

Reconfigurable multichannel amplitude equalizer based on cascaded silicon photonic microrings

C Zhang, S Liu, H Yan, D Liu, L Zhang, H Li… - Photonics …, 2023 - opg.optica.org
A compact on-chip reconfigurable multichannel amplitude equalizer based on cascaded
elliptical microrings is proposed and demonstrated experimentally. With the optimized …

Silicon photonics wavelength-independent C-band tunable optical filter with feasible thermal tuning requirements

S Alnairat, B Wohlfeil, S Djordjevic… - … and Exhibition on …, 2022 - opg.optica.org
A filter design based on Vernier microrings and wideband directional couplers is proposed
for ASE noise suppression in next generation DCI applications. We demonstrate a~ 40 nm …

Design of Vernier ring for external cavity laser with high side mode suppression ratio and wide tuning range

L Chen, L Yu, P Ma, Z Wang, Y Yang, J Tian… - Optics …, 2024 - Elsevier
Chip-scale external-cavity lasers with a wide tuning range and a narrow linewidth are widely
used in optical communication, optical sensing, and optical detection systems. The reflector …