76 citations · 147 across the 9 of their papers we have counts for
9 papers
Back-end and Flexible Substrate Compatible Analog Ferroelectric Field Effect Transistors for Accurate Online Training in Deep Neural Network Accelerators
Sayani Majumdar, Ioannis Zeimpekis
Online training of deep neural networks (DNN) can be significantly accelerated by performing in-situ vector matrix multiplication in a crossbar array of analog memories. However, t…
Scalable, Highly Crystalline, 2D Semiconductor Atomic Layer Deposition Process for High Performance Electronic Applications
Nikolaos Aspiotis, Katrina Morgan, Benjamin März +6
This work demonstrates a large area process for atomically thin 2D semiconductors to unlock the technological upscale required for their commercial uptake. The new atomic layer dep…
Low energy switching of phase change materials using a 2D thermal boundary layer
Jing Ning, Yunzheng Wang, Ting Yu Teo +7
The switchable optical and electrical properties of phase change materials (PCMs) are finding new applications beyond data storage in reconfigurable photonic devices. However, high…
Time-resolved reversible optical switching of the ultralow-loss phase change material Sb2Se3
Daniel Lawson, Daniel W. Hewak, Otto L. Muskens +1
The antimony-based chalcogenide Sb2Se3 is a rapidly emerging material for photonic phase change applications owing to its ultra-low optical losses at telecommunication wavelengths…
Enhanced Meta-Displays Using Advanced Phase-Change Materials
Omid Hemmatyar, Sajjad Abdollahramezani, Ioannis Zeimpekis +12
Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation, and wide-gamut color printin…
Towards low loss non-volatile phase change materials in mid index waveguides
Joaquin Faneca, Ioannis Zeimpekis, S. T. Ilie +4
Photonic integrated circuits currently use platform intrinsic thermo-optic and electro-optic effects to implement dynamic functions such as switching, modulation and other processi…
Non-volatile programmable silicon photonics using an ultralow loss SbSe phase change material
Matthew Delaney, Ioannis Zeimpekis, Han Du +5
Adaptable, reconfigurable and programmable are key functionalities for the next generation of silicon-based photonic processors, neural and quantum networks. Phase change technolog…
Deep learning enabled design of complex transmission matrices for universal optical components
Nicholas J. Dinsdale, Peter R. Wiecha, Matthew Delaney +8
Recent breakthroughs in photonics-based quantum, neuromorphic and analogue processing have pointed out the need for new schemes for fully programmable nanophotonic devices. Univers…
Observation of Complete Photonic Bandgap in Low Refractive Index Contrast Inverse Rod-Connected Diamond Structured Chalcogenides
Lifeng Chen, Katrina A. Morgan, Ghada A. Alzaidy +9
Three-dimensional complete photonic bandgap materials or photonic crystals block light propagation in all directions. The rod-connected diamond structure exhibits the largest photo…