Micro-Optics Fabrication-Advanced Fiber Resources (Zhuhai) Ltd.

Overview

AFR's Micro-Optics Fabrication Platform integrates optical design, precision fabrication, optical coating and metallization, micro-optics assembly, and automated testing to support advanced optical interconnect applications. With in-house R&D, manufacturing, assembly, automation, and metrology, it serves coherent optics, silicon photonics, CPO (Co-Packaged Optics), OCS (Optical Circuit Switching), datacenter interconnects, and high-density optical architectures.

AI Clusters & High-Performance Computing
Hyperscale Datacenters & DCI
Silicon Photonics & PIC Integration
Telecom Networks: ROADM & WSS

Capabilities

Optical Design & Simulation

Optical design, multi-physics simulation, and model-based design validation for performance-optimized product development.
Precision Optical Fabrication

High-precision dicing, lapping, and polishing for wafers, isolators, V-groove substrates, and other critical optical components.
Optical Coating & Metallization

Precision vacuum deposition and sputtering for AR, HR, beam-splitter, and filter coatings, with metallization for fiber and substrate packaging.
Alignment & Assembly

Automated micro-assembly and active alignment of fiber arrays, lens arrays, isolators, and PIC-related optical interfaces.

Optical Design & Simulation

Optical path optimization, aberration analysis, and stray light suppression

Multi-physics simulation covering optical, thermal and mechanical effects

Opto-thermo-mechanical analysis for structural stability and reliability evaluation

3D modeling, ray tracing, spectral analysis, and transient analysis

Simulation error margin: < 2%

Thermal deformation simulation deviation: < 5%

Precision Optical Fabrication

Precision Optical Shaping: Plano, custom, and freeform optical geometries

Surface Flatness: ≤ λ/10

Ultra-Low Surface Roughness: Ra < 0.5 nm

Supported Materials: Fused Silica, Silicon, TGG, YVO₄, LiNbO₃ (Lithium Niobate), etc.

100 nm-level X/Y/Z motion control for groove machining

High-Stiffness spindle system to reduce vibration and thermal drift

Process control for high-volume FAU production

Stylus Profilometer

3D Optical Profiler

Optical Absorption Measurement System

Lapping and Polishing Machines

Multi-Wire Saw

Optical Coating & Metallization

AFR uses precision vacuum deposition and sputtering processes to deliver coatings tailored to application requirements. Supported coating types include:

Anti-Reflection (AR) Coatings

High-Reflection (HR) Coatings

Wavelength-selective and broadband beam-splitter coatings

Polarizing and Non-Polarizing Beam Splitter Coatings

Optical Filter Coatings

AFR provides metallization processes for non-metallic substrates and optical fibers to support bonding, packaging, and electrical/thermal integration.

- Available metallization materials include: Titanium (Ti), Nickel (Ni), Chromium (Cr), Molybdenum (Mo), and Gold (Au)

- Supported geometries include flat, cylindrical, and custom surfaces

Single-Wavelength AR Coating

Dielectric HR Coating

Polarizing Beamsplitter Coating

Precision Assembly & Alignment

PM-axis alignment via stress-rod orientation and PER control

Stress-rod angular alignment accuracy: ± 0.5°

Polarization extinction ratio (PER): ≥ 23 dB

Simultaneous alignment channels: 8

Automated active alignment of FAUs, lens arrays, and PIC interfaces

Translational resolution, X/Y/Z: 0.01 μm

Translational repeatability, X/Y/Z: 0.1 μm

Rotational resolution, θx/θy/θz: 0.003°

Rotational repeatability, θx/θy/θz: 0.005°

Precision mounting for isolators, circulators, and optical sub-assemblies

X/Y position accuracy: ± 7.0 μm @ 3σ

Angular accuracy, θ: ± 0.5° @ 3σ

2D array (multi-row) FAU stacking with pitch and protrusion control

Maximum configuration: Up to 20 layers / > 400 channels

Pitch accuracy: ± 0.5 μm (per layer and cumulative)

Fiber protrusion uniformity: ≤ 1 μm

Insertion loss: Typical ≤ 0.3 dB across all channels

PM Fiber Auto-Alignment

Active Alignment

Multi-Row Array by TGV Technology

Optical Micro-Connectivity for Next-Generation Networks

AFR provides optical micro-connectivity solutions and sub-assemblies for NPO, CPO, XPO, OCS, and other high-density optical architectures.

FAU for CPO/PM Interconnects

Featuring ultra-compact PM structures and sub-micron V-groove alignment, delivering IL ≤ 0.3 dB and PER > 23 dB for next-generation AI clusters.

FAU for OCS

Featuring a lidless, low-crosstalk 2D design with precision-tapered fiber holes. It delivers low insertion loss and high return loss to support millisecond switching in hyperscale datacenters.

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