News: Suppliers
4 August 2025
Photon Design’s HAROLD quantum dot laser simulator available as a release candidate for customer evaluation
Photonic simulation CAD software developer Photon Design Ltd of Oxford, UK says that the quantum dot (QD) module for its HAROLD laser simulation tool is now available as a release candidate for customer evaluation.
The HAROLD module enables engineers to model a quantum dot laser’s epitaxy structure, including dot size and distribution. Its eight-band K.P.-based modeller predicts laser gain and absorption spectra, reliably matching the results of beta-sample quantum dot lasers in recent field tests.
“The HAROLD quantum dot simulator is at the forefront of quantum dot laser design. QD lasers operate reliably at higher temperatures than existing lasers, with superior modulation and data transmission performance, and heat and power savings. They also bring practical, silicon-based manufacturing benefits,” notes CEO Dr Dominic Gallagher. “Quantum dot lasers are expected to play a critical role in many, next-generation laser applications, including supporting the move to optical architectures within data centers, AI and HPC,” he adds.
“The HAROLD quantum dot laser simulator is a release candidate which we are inviting customers to test and evaluate,” continues Gallagher. “It is a development of Photon Design’s long-established and well-respected HAROLD, a mature simulation platform with an established library of material systems available to designers. When released, the HAROLD quantum dot module will have seamless integration into Photon Design’s PICWAVE simulator, giving engineers a full, three-dimensional, time-evolving quantum dot laser model.”
Photon Design providing PCL and PCSEL design software
Photon Design previews new quantum dot simulation tool at Photonics West
