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Accelerating photodiode design cycles with Quanscient Allsolve

Quanscient Allsolve transformed how Albis approaches RF design. The ability to run high-frequency simulations without expensive hardware and iterate quickly in the cloud has been a real game-changer for us.

Sho WatanabeMicrowave Photonics Engineer
Client

Industry

Optoelectronics / Photonics

Problem to be solved

Designing packaged photodiodes with a flat O/E frequency response was challenging due to parasitic effects and the limitations of traditional, hardware-dependent simulation tools.

Benefits and results

With Quanscient Allsolve, Albis achieved a flatter O/E response above 50 GHz, reduced design iterations, and simplified simulation workflows without the need for local high-performance hardware.

About Albis Optoelectronics AG

Albis Optoelectronics AG manufactures photodiodes and avalanche photodiodes for a wide range of applications, including telecommunications, monitoring, sensing, quantum computing, and test and measurement. 

The company specializes in developing high-performance packaged photodiodes, ensuring reliability and efficiency across demanding frequency ranges.

How Quanscient Allsolve helped Albis Optoelectronics

Before adopting Quanscient Allsolve, achieving a broad and flat opto-electrical (O/E) frequency response in packaged photodiodes was a continuous challenge due to RF parasitics.

Quanscient Allsolve enabled Albis Optoelectronics to redesign its submount structure and minimize parasitic effects, performing RF simulations up to 70 GHz (V-band) efficiently through the cloud. Using Quanscient Allsolve, the engineering team achieved a flatter O/E response above 50 GHz, a result that previously required multiple design–fabrication–test iterations.

Because Quanscient Allsolve operates entirely in the cloud, no local high-performance computing resources were required, and simulations could start immediately without installation or setup. Its multiphysics capabilities also allowed Albis to explore thermal effects alongside RF performance, ensuring a more holistic understanding of their device behavior.

The Python integration further enabled Albis Optoelectronics engineers to extend simulation functionality when specific features were not yet available, allowing rapid progress without disruption.

Challenges in simulation before Quanscient Allsolve

The packaged photodiode consists of a bare die mounted on a submount that integrates electronic circuitry. Achieving a broad and flat opto-electrical (O/E) frequency response is always challenging, as RF parasitics can strongly affect the high-frequency behavior.

Reducing these parasitics had long been a continuous design challenge for Albis Optoelectronics.

Because Quanscient Allsolve is a multiphysics platform, the team could also explore other domains, for example, performing thermal simulations alongside RF studies to better understand the overall system behavior.

Sho WatanabeMicrowave Photonics Engineer

Discovering and adopting Quanscient Allsolve

Albis Optoelectronics first discovered Quanscient at a booth during an industry conference.

The main motivations for adopting Quanscient Allsolve were that simulations could be performed without requiring a high-performance local computer, and the flexible subscription plan was ideal for SMEs that need simulation tools on a project basis.

Initial impressions and first benefits

Since no software installation was required, Albis engineers could start simulations immediately. The available examples made it easy to learn how to set up simulations.

The user interface was intuitive and less complex than other simulation tools, which made Quanscient Allsolve highly approachable from the very beginning.

Quanscient Allsolve’s impact on RF design simulations

Using Quanscient Allsolve, Albis Optoelectronics performed RF simulations over a large frequency range up to 70 GHz (V-band).

These simulations helped the team redesign the submount to minimize parasitic effects in a newly developed packaged photodiode.

The setup became significantly simpler, and simulations no longer required a powerful local computer.

Because Quanscient Allsolve is a multiphysics platform, the team could also explore other domains, for example, performing thermal simulations alongside RF studies to better understand the overall system behavior.

Another major advantage has been the cloud-based architecture. Quanscient Allsolve is always up to date, and Albis never needs to install or maintain software versions manually. Updates are implemented seamlessly and remain compatible with previous simulation data.

As a result, the company achieved a flatter O/E response above 50 GHz.

Further benefits

Quanscient Allsolve simulations enabled Albis Optoelectronics to enhance the O/E response of its packaged photodiodes, a performance aspect highly valued by customers.

The tool reduced the number of design–fabrication–test iterations needed to reach target performance, thereby shortening overall development timelines and lowering new package development costs.

Even when specific functionalities were not yet available, the Python integration allowed the team to extend the tool and continue progress.

Quanscient’s support engineers also provided quick assistance with scripting and problem solving, ensuring projects moved forward without delay.

Responsive customer support

Albis Optoelectronics consistently received prompt and helpful responses from Quanscient’s support team.

This reliability allowed the engineers to continue their work without unnecessary interruptions, which was especially important during intensive project phases.

Recommendations and future plans

According to Albis Optoelectronics, Quanscient Allsolve is easy to use, quick to set up, and effective in delivering meaningful results.

The company highlights the excellent support experience and values the flexibility the tool provides.

Quanscient Allsolve is especially well-suited for SMEs that require on-demand access to advanced simulation capabilities.

Albis recommends maintaining flexible pricing or short-term subscription models, as these perfectly align with project-based workflows.

The team plans to continue using Quanscient Allsolve for both RF and thermal design projects, leveraging its multiphysics capabilities to accelerate innovation in photodiode packaging.

 

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