Who is Phlux Technology?
Phlux Technology is a semiconductor company that develops and manufactures indium gallium arsenide (InGaAs) avalanche photodiode (APD) infrared sensors for high-performance detection and imaging applications.
- InGaAs APD infrared sensor design and fabrication for lidar, sensing, and imaging use cases.
- Short-wave infrared (SWIR) detection solutions for automotive, industrial, and security systems.
- High-sensitivity, low-noise photodetector architectures that extend detection range and dynamic range.
- Support for Original Equipment Manufacturer (OEM) integration, module makers, and system integrators in lidar and optical sensing stacks.
- Semiconductor research and process development focused on InGaAs materials and device engineering.
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More About Phlux Technology
Phlux Technology focuses on InGaAs avalanche photodiode (APD) devices for short-wave infrared (SWIR) detection, targeting enterprise and institutional users that require longer-range, low-light, or high-dynamic-range sensing. Its detectors are positioned for integration into lidar (sensing and perception), industrial measurement, machine vision, and security or surveillance infrastructure. Customers typically embed Phlux Technology APDs into modules, sensor heads, or subsystems that form part of larger platforms such as autonomous vehicle lidar units, robotics perception stacks, or perimeter monitoring systems.
The company’s offerings are based on indium gallium arsenide materials and avalanche photodiode architectures (infrared sensing) that operate in SWIR bands where silicon detectors are not effective. By using an internal avalanche multiplication mechanism, InGaAs APDs provide higher sensitivity to low photon flux compared with standard photodiodes. Phlux Technology focuses on device structures, epitaxial growth, and process control that aim to balance gain, noise, bandwidth, and breakdown voltage, which are core parameters for lidar timing accuracy and range performance.
In enterprise environments, Phlux Technology sensors can be used in time-of-flight lidar systems (perception and ranging), where SWIR wavelengths support eye-safety constraints at higher optical power levels and improved performance in sunlight or adverse weather. The company’s devices are suitable for integration with fiber or free-space optics, and for use with common lidar transmitter sources such as pulsed laser diodes or fiber lasers operating in SWIR bands. Typical system architectures pair these APDs with transimpedance amplifiers, timing electronics, and signal-processing units that run ranging and object-detection algorithms.
From a marketplace categorization perspective, Phlux Technology fits into infrared sensing hardware (sensing and perception), optical components for lidar (autonomous systems infrastructure), and semiconductor devices for photonics (optoelectronics). Its products are targeted at OEMs and system integrators rather than end users, with a focus on B2B supply into automotive, industrial automation, mapping, and defense or civil security segments, where SWIR detection performance and reliability are core selection criteria.
Phlux Technology also maintains Research and Development (R&D) activity around materials science, device physics, and process engineering linked to InGaAs APDs and related detector structures. This work underpins roadmap development for higher sensitivity, wider dynamic range, and compatibility with emerging system requirements such as higher channel counts in lidar arrays or tighter integration in compact sensing modules. For enterprise technical stakeholders, the company represents a specialized supplier in the SWIR detector layer of sensing stacks, interfacing with optical design, electronics, firmware, and perception software supplied by other ecosystem participants.
Our description of Phlux Technology. Updated December 2025.
