TAKFLY GROUP

PM Fiber Array

The PM Fiber Array (PM FA) is a high-precision polarization-maintaining fiber array based on a V-groove alignment platform and slow-axis alignment technology. It integrates multiple PM fibers into a compact array with stable polarization state, high extinction ratio, low insertion loss, and low crosstalk. The product is widely used in coherent optical communication, silicon photonics, CPO, fiber sensing, LiDAR, quantum photonics, and high-channel-count polarization-sensitive optical systems.

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Features:
High Extinction Ratio & Stable Polarization
Precision slow-axis alignment ensures stable polarization-maintaining performance, with extinction ratio ≥20 dB standard and ≥23 dB for high-grade versions.

Low Insertion Loss & High Return Loss
Advanced V-groove alignment and endface polishing deliver insertion loss ≤0.50 dB and return loss ≥60 dB with APC termination, ensuring efficient and stable optical transmission.

Precision Fiber Array Alignment
The V-groove structure provides ±0.5 µm alignment accuracy, enabling consistent coupling performance for silicon photonics, photonic chips, and PM optical modules.

Flexible High-Density Customization
Supports customization of channel count, fiber type, wavelength, fiber pitch, polish angle, connector type, key orientation, cable type, and cable length.

Reliable Packaging
Epoxy-bonded V-groove package with optional hermetic design provides high mechanical stability and environmental reliability.

Available Configurations
Bare PM fiber array

PM fiber array with FC/APC, FC/PC, LC/APC, SC/APC connectors

PM fiber array with MTP/MPO transition

High-channel-count PM FA up to 64 channels

Custom slow-axis alignment and polarization key orientation

Applications:
Coherent optical communication modules

Silicon photonics coupling and CPO (Co-Packaged Optics)

Fiber optic gyroscopes

LiDAR systems

Quantum photonics and microwave photonics

Polarization-sensitive fiber sensing

High-channel-count optical test and measurement

400G / 800G / 1.6T optical interconnects

For detailed technical specifications or customized solutions, please contact our technical team.

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