Core Optical Components: The Building Blocks of High-Performance Networks
At Feiyi Optoelectronic, we specialize in manufacturing high-precision polarization-maintaining (PM) and passive optical components. With over 11 years of experience, our components are designed to meet the stringent demands of modern telecommunications, data centers, sensing, and emerging technologies like quantum and AI.
🔹 Polarization-Maintaining (PM) Devices
Our PM components ensure signal integrity by preserving the state of polarization, critical for coherent systems, fiber sensors, and high-speed interconnects.
| Product Series | Key Features | Typical Applications |
|---|---|---|
| PM Patch Cords & Pigtails | High extinction ratio (>25dB), low insertion loss, available for 630–2000nm | Quantum communication, fiber sensors, coherent transceivers |
| PM Isolators | High isolation (>35dB), epoxy‑free, low PDL | Protecting laser diodes in EDFAs, fiber lasers, and test equipment |
| PM Circulators | Compact design, high isolation, low loss | Bidirectional transmission, optical coherence tomography (OCT), sensing systems |
| PM Collimators | Ultra-low insertion loss (0.18dB typ.), cryogenic-compatible options | Free-space coupling, quantum optics, LiDAR, and precision measurement |
| PM In-Line Polarizers | High extinction ratio, broad bandwidth, low back reflection | Polarization control in fiber sensors, laser systems, and coherent receivers |
| PM Couplers & WDMs | Custom split ratios, high stability | Fiber gyroscopes (FOG), DWDM systems, and interferometric sensing |
🔹 Fiber Collimators
Our collimators are designed for efficient coupling between fibers and free-space optics, featuring epoxy-free optical path for long-term reliability.
| Type | Wavelengths | Key Benefits | Use Cases |
|---|---|---|---|
| Single-Fiber Collimators | 630–2000nm | Low loss, high return loss, customizable working distance | Isolators, circulators, WDM systems, optical sensing |
| Dual/Multi-Fiber Collimators | 630–1550nm | Multi-channel capability, compact size | Multi-channel modules, optical switches, fiber array packaging |
| Custom Lensed Fibers | 1310/1550nm | Spot size conversion, mode field matching | Silicon photonics, chip coupling, medical devices |
🔹 AWG (Arrayed Waveguide Grating) Modules
Our AWG and Athermal AWG (AAWG) modules are key for wavelength management in DWDM networks and data center interconnects.
| Parameter | Specifications |
|---|---|
| Channel Spacing | 50GHz, 100GHz |
| Channel Count | 40CH, 48CH, 96CH |
| Wavelength Options | C-band, L-band, custom |
| Insertion Loss | Low loss, uniform across channels |
| Temperature Stability | Athermal design – no power consumption |
| Applications | Long-haul DWDM, metro networks, 5G transport, DCI |
🔹 Passive Components for FTTx & Structured Cabling
| Product | Features | Applications |
|---|---|---|
| PLC Splitters | 1xN / 2xN configurations, low PDL, high uniformity | FTTH, PON networks, CATV |
| FBT Couplers | Single/multi-window, custom ratios | Signal monitoring, LAN, test systems |
| CWDM/DWDM Modules | Low loss, high isolation, compact packaging | WDM-PON, metro access, 5G fronthaul |
| Optical Switches | MEMS/mechanical, latching/non-latching | Network protection, optical monitoring, test systems |
Why Feiyi?
✅ 11+ Years of specialized manufacturing experience
✅ 250+ Employees dedicated to quality and innovation
✅ Epoxy-Free Technology for enhanced long-term reliability
✅ Factory-Direct – competitive pricing and fast turnaround
✅ Customization – tailored solutions for R&D and volume production
📧 Contact us: https://www.feiyi-oeo.com/contact/
🌐 Website: www.feiyi-oeo.com
