[HTML][HTML] Chaotic-cavity surface-emitting lasers for optical wireless communication and low-speckle illumination

O Alkhazragi, M Dong, L Chen, M Kong, G Melinte… - APL Photonics, 2023 - pubs.aip.org
Though necessary and advantageous in many fields, the high coherence of lasers is
detrimental to their performance in certain applications, including illumination, imaging, and …

Low-coherence semiconductor light sources: devices and applications

H Lu, O Alkhazragi, Y Wang, N Almaymoni, W Yan… - npj …, 2024 - nature.com
Since the invention of the laser, there have been countless applications that were made
possible or improved through exploiting its multitude of unique advantages. Most of these …

Impact of cavity geometry on microlaser dynamics

K Kim, S Bittner, Y **, Y Zeng, QJ Wang, H Cao - Physical Review Letters, 2023 - APS
We experimentally investigate spatiotemporal lasing dynamics in semiconductor
microcavities with various geometries, featuring integrable or chaotic ray dynamics. The …

Parallel On-Chip Physical Random Number Generator Based on Self-Chaotic Dynamics of Free-Running Broad-Area VCSEL Array

H Lu, O Alkhazragi, Y Wang, TK Ng… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Random numbers, as a cornerstone in the interconnected digital world, are used in secure
cryptographic protocols for commercial transactions, computing, and communications …

Exceptional point enhanced nanoparticle detection in deformed Reuleaux-triangle microcavity

J Fei, X Zhang, Q Zhang, Y Yang, Z Wang… - Frontiers of …, 2024 - Springer
In this paper, we propose a deformed Reuleaux-triangle resonator (RTR) to form exceptional
point (EP) which results in the detection sensitivity enhancement of nanoparticle. After …

Optical resonance and chaos control in a Reuleaux-triangle microcavity

J Fei, X Zhang, Q Zhang, Y Yang, Z Wang… - Chinese Optics …, 2024 - opg.optica.org
The mode selection ability of whispering gallery mode (WGM) microcavities is crucial in
applications such as sensors, lasers, and nonlinear optics. Though various shapes of …

Event-Based Vision Systems: Bridging Biological Inspiration and Robotic Perception

K Chaney - 2024 - search.proquest.com
Through exploring the relationship between biological vision systems and artificial event-
based cameras, this research delves into fundamental aspects of motion perception and …

A Discontinuous Galerkin Time-Domain Scheme to Model Lasing Dynamics in Four-Level Two-Electron Atomic Systems

M Dong, L Chen, R Zhao… - 2024 18th European …, 2024 - ieeexplore.ieee.org
A discontinuous Galerkin time-domain scheme is formulated and implemented to analyze
three-dimensional transient lasing dynamics. The proposed scheme solves a coupled …

Impact of Cavity Geometry on Chaotic Emission and Entropy Source Efficiency in VCSELs

H Lu, O Alkhazragi, TK Ng… - 2024 IEEE Photonics …, 2024 - ieeexplore.ieee.org
An investigation into the impact of the geometry of VCSELs demonstrates that a pentagonal-
cavity configuration yields an increased random number generation rate of 800 Gb/s with …

Design and Applications of Low-Coherence Semiconductor Light Emitters

BS Ooi, O Alkhazragi, H Lu - 2024 Conference on Lasers and …, 2024 - ieeexplore.ieee.org
Design and Applications of Low-Coherence Semiconductor Light Emitters Page 1 Design and
Applications of Low-Coherence Semiconductor Light Emitters Boon S. Ooi, Omar Alkhazragi …