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FAU Edge Coupling

FAU Edge Coupling

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The Edge-Coupling Fiber Array Unit is designed for High-Precision optical coupling between fiber arrays and photonic integrated circuits, including silicon photonics, thin-film lithium niobate, InP, glass waveguides, and other Edge-Coupled optical chips. With tightly controlled fiber core positioning, customized End-Face geometry, and flexible mechanical design, the FAU enables stable, Low-Loss, and scalable optical interconnection for High-Speed optical transceivers, coherent modules, CPO/OIO architectures, optical sensing, and advanced photonic packaging.

 

Key Features Applications
High-precision fiber core alignment for edge-coupled photonic chips Silicon photonics edge coupling
Customizable fiber pitch: 127 μm/250 μm/Customer-Specific (1D or 2D) Thin-Film lithium niobate modulator coupling
Supports SMF, PM fiber, polarization-maintaining fiber arrays, and specialty fibers Coherent optical modules
Optional angled polish for back-reflection reduction 800G/1.6T optical transceivers
Compatible with SiPh, TFLN, InP, PLC, glass, and other photonic platforms CPO/optical I/O packaging
Custom mechanical outline for active/passive alignment and automated assembly Optical engine assembly
Available with lid glass, V-groove substrate, spacer, stopper, and customized bonding area LiDAR optical modules
Suitable for High-Density optical I/O and advanced photonic packaging Fiber sensing and test systemsMedical and scientific photonic systems

 

Specifications
Parameter Unit Value
Wavelength nm 1310
Fiber Count — 8 ch, 16 ch, 32 ch, 40 ch, 80 ch + (Customizable)
Max. Connector Insertion Loss dB 0.5
Max. Coupling Insertion Loss dB 1
Min. Return Loss dB 30
Min. PER dB 20
Fiber Pitch Spacing μm 84 μm, 127 μm, 250 μm (Customizable)
Max. Core Pitch Error μm ± 1.0
Fiber Type — SM (G.657.A1/A2), PM Fiber, RCBI (Reduced-Clad)
Termination Connector Type — LC, FC, MPO, MMC, ELSFP Connector (Customizable)
Operating Temperature °C - 40 °C to + 85 °C





 


This product belongs to F-tone Networks' optical components product line. For detailed specifications, please contact our sales team. Thank you!
Important Notice:
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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Power and Wavelength Testing

Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.

Power and Wavelength Testing

Traffic Testing

Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.

Traffic Testing

Optical Performance Testing

Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.

Optical Performance Testing

End Face Testing

Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.

End Face Testing

Various Switch Tests

Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.

Various Switch Tests

About F-tone Networks

F-tone Networks is now a world leader in development of optical transceivers and provide a wide range of high-speed optical solutions for optical communication networking, especially for AI, Data Center, enterprise data networking, Industry, aerospace, mining, shipbuilding, railway, metro, long haul transport networking, and mobile access networking applications
F-tone Networks invested in foundational photonics technologies and extensive product development and engineering with global presence in many area also.

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