Optical information processing using dual state quantum dot lasers: complexity through simplicity

B Kelleher, M Dillane, EA Viktorov - Light: Science & Applications, 2021 - nature.com
We review results on the optical injection of dual state InAs quantum dot-based
semiconductor lasers. The two states in question are the so-called ground state and first …

A review of emerging trends in photonic deep learning accelerators

M Atwany, S Pardo, S Serunjogi, M Rasras - Frontiers in Physics, 2024 - frontiersin.org
Deep learning has revolutionized many sectors of industry and daily life, but as application
scale increases, performing training and inference with large models on massive datasets is …

Tunable, coherent optical comb source via on-chip bidirectional coupling

J McCarthy, D O'Sullivan, M Shayesteh, M Dernaika… - Optics Letters, 2023 - opg.optica.org
A tunable comb source is demonstrated through gain switching on a three-sectioned
photonic integrated circuit (PIC). The PIC consists of two mutually coupled lasers connected …

Using transitional points in the optical injection locking behavior of a semiconductor laser to extract its dimensionless operating parameters

DJ Herrera, V Kovanis, LF Lester - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
The complete set of intrinsic dimensionless parameters of a packaged and fiber-pigtailed
distributed feedback (DFB) semiconductor laser are extracted from the non-linear …

Spontaneous emission noise resilience of coupled nanolasers

A Roos, S Meinecke, K Lüdge - Frontiers in Photonics, 2023 - frontiersin.org
We investigate the spontaneous emission noise resilience of the phase-locked operation of
two delay-coupled nanolasers. The system is modeled by semi-classical Maxwell–Bloch …

Effects of asymmetric coupling strength on nonlinear dynamics of two mutually long-delay-coupled semiconductor lasers

BK Liao, CH Tseng, YC Chu, SK Hwang - Photonics, 2022 - mdpi.com
This study investigates the effects of asymmetric coupling strength on nonlinear dynamics of
two mutually long-delay-coupled semiconductor lasers through both experimental and …

Quantifying the synchronization of the spikes emitted by coupled lasers

J Tiana-Alsina, C Masoller - Chaos: An Interdisciplinary Journal of …, 2023 - pubs.aip.org
Synchronization phenomena is ubiquitous in nature, and in spite of having been studied for
decades, it still attracts a lot of attention as is still challenging to detect and quantify, directly …

Stabilizing nanolasers via polarization lifetime tuning

A Roos, S Meinecke, K Lüdge - Scientific Reports, 2021 - nature.com
We investigate the emission dynamics of mutually coupled nanolasers and predict ways to
optimize their stability, ie, maximize their locking range. We find that tuning the cavity lifetime …

Optically injected dual state quantum dot lasers

M Dillane - 2022 - cora.ucc.ie
The spikes and pulses observed in biological neurons have similar characteristics to the
excitable pulses seen in optically injected lasers. This thesis investigates the feasibility of …

Compact polarization beam splitter based on subwavelength grating waveguide assisted directional coupler in ultra-thin silicon nitride platform

W Zhang, D Gao - 2nd International Conference on Laser …, 2022 - spiedigitallibrary.org
We propose a compact PBS in the ultra-thin Si3N4 platform based on a subwavelength
grating (SWG) waveguide-assisted three-waveguide directional coupler. Compared with the …