How to Wire a -Qubit Trapped-Ion Quantum Computer

M Malinowski, DTC Allcock, CJ Ballance - PRX Quantum, 2023 - APS
One of the most formidable challenges of scaling up quantum computers is that of control-
signal delivery. Today's small-scale quantum computers typically connect each qubit to one …

Advanced 3D integration technologies in various quantum computing devices

P Zhao, YD Lim, HY Li, G Luca… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
As a key approach to augment Moore's Law scaling, 3D integration technologies have
enabled small form factor, low cost, diverse, modular and flexible assembly of integrated …

Development of mixed pitch grating for the optical addressing of trapped Sr+ ion with data analysis techniques

YD Lim, P Zhao, L Hu, L Guidoni, JP Likforman… - Optics …, 2023 - opg.optica.org
Mixed pitch gratings are developed for the optical addressing of trapped^ 88Sr^+ ion by
means of simulation and experimental measurement approaches. Meanwhile, Python …

Predictive modelling of optical beams from grating structure using deep neural network

YD Lim, P Zhao, L Guidoni… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Integrated grating structure has been widely used in the optical addressing of trapped ion
qubits in quantum computing. For accurate optical addressing, the optical properties of light …

Development of Grating for the Optical Addressing of Sr+ Ions With Data Analysis Techniques

YD Lim, P Zhao, L Guidoni, JP Likforman… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
In this study, SiN-based gratings with various radius of curvature (r) are designed and
fabricated for the optical addressing of trapped Sr+ ion. The beam width of the light coupled …

Multi-junction surface ion trap for quantum computing

JD Sterk, MG Blain, M Delaney, R Haltli… - ar** regions are natural architectures
for storing large numbers of ions and supporting the connectivity needed to implement …

Quantum technologies for engineering: the materials challenge

KEJ Goh, LA Krivitsky, DL Polla - Materials for Quantum …, 2022 - iopscience.iop.org
The materials challenge is often a major hurdle for translating good ideas in science into
technologies. This is no different in the arena of quantum technologies which has seen a …

Development of Nitride-Based Optical Phased Array at 1092 nm for the Optical Addressing of 88Sr+ Ion

YD Lim, SGC Kiat, WW Seit, P Zhao… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
Optical phased array (OPA) structures are designed and fabricated for the optical
addressing of trapped 88 Sr+ ions. Laser light of 1092 nm wavelength corresponding to the …

Wafer-to-wafer bonding fabrication process-induced wafer warpage

W Feng, H Shimamoto, T Kawagoe… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Wafer warpage affects the resolution of photolithography, process alignment, and wafer
bonding, which leads to the degradation of the device's yield, performance, and reliability …

Warpage reduction and thermal stress study of dicing process in wafer-to-wafer bonding fabrication

W Feng, H Shimamoto, T Kawagoe… - … on Electron Devices, 2022 - ieeexplore.ieee.org
We successfully study the warpage after wafer-to-wafer (W2W) bonding by the experiments
and the full wafer model simulation. Furthermore, the effect of the dicing process on the …