PHOSEM provides optical semiconductor device development and customized technical services, focusing on Photodiodes, APDs, VCSELs, and FAB Services.
InGaAs PIN Photodiode,
Side Illuminated Photodiode,
Planar APD Product Technology
Optical Detection Technology Based on InGaAs APD, 25G APD, and Single Photon APD
795nm VCSEL,
Quantum Sensor VCSEL,
VCSEL Module Product Technology
Compound Semiconductor-Based Optical Device Development Capabilities
25G APD and Other Product Series for High-Speed Optical Communications
Single-Photon APD Product Line for Weak Optical Signal Detection
VCSEL Module Product Line for Precision Light Source Applications
Customer-Tailored FAB Services and Technical Consultation
Based on a management philosophy that prioritizes employee value, Phosem Co., Ltd. continuously strives to realize this vision.
We believe that only happy employees can create high-quality products, and only high-quality products can satisfy customers,
thereby creating added value and building a sustainable company through customer satisfaction.
We believe that sustainability stems from continuous innovation, and the foundation of innovation lies in new knowledge and technology.
Accordingly, based on the mottoes of knowledge management and technology management,
Phosem develops and operates educational programs tailored to each member’s needs,
realizing both employee growth and the company’s sustainable development.