Polarization-Maintaining Fiber Amplifier

The Polarization-Maintaining (PM) Fiber Amplifier is designed to amplify low-power seed lasers while preserving excellent polarization characteristics. With high gain, low noise, and a fully PM optical path, it ensures stable output and reliable performance even in environments sensitive to polarization fluctuations.

Product Features

• High polarization extinction ratio
• Low noise amplification
• Stable output
• Fully PM fiber structure

Application Areas

• Coherent communication
• Fiber optic sensing
• Quantum optics
• Precision measurement

Introduction to PM Fiber Amplifier Technology

Polarization-maintaining (PM) fiber amplifiers preserve polarization state during amplification using birefringent PM fibers. The technology supports coherent communication, precision sensing, narrow-linewidth lasers, interferometry, and advanced scientific instruments where polarization stability is critical.

Industry Advantages

• Enhanced coherence for interferometry & sensing
• Low sensitivity to environmental disturbances
• Custom wavelength configurations available
• Long-term reliability with optimized pump control
• Compact integration for lab and industrial systems

Construction & Internal Design

Built using PM fibers, pump diodes, WDM couplers, isolators, polarization-maintaining splices and temperature stabilization units, the amplifier maintains optical reliability and consistent output during long-term operation.

Selection Considerations

Choose based on output power needs, wavelength compatibility, environmental requirements, noise sensitivity and fiber connector type. Proper selection helps ensure optimal system performance in coherent and sensing architectures.

Support & Customization

Custom options include wavelength selection, output power levels and integration guidance. For technical assistance or system configuration support, contact our engineering team at +86-13958180450.