SC, LC, and MPO/MTP connectors are the most commonly used fiber optic connectors compatible with hollow-core fibers in Syrian FTTP and telecom networks.

Overview of Hollow-Core Fiber Optics

Hollow-core fibers (HCFs) are advanced optical fibers where light propagates through a hollow core, often filled with gas, rather than solid glass. This design reduces latency, optical nonlinearity, and allows high-power transmission with potentially lower loss than conventional solid-core fibers . While HCFs are still emerging globally, they are increasingly considered for high-speed data links, low-latency networks, and specialized telecom applications.

Common Connector Types

In Syria, the ongoing BARQ NET FTTP initiative and other fiber deployments rely on standard fiber optic connectors for network flexibility and maintenance . The most widely used connectors compatible with hollow-core fibers include:

• SC (Subscriber Connector): Square-shaped, push-pull coupling, widely used in FTTH deployments and GPON networks. SC/APC variants are preferred for low return loss applications .
• LC (Lucent Connector): Miniaturized 1.25mm ferrule, ideal for high-density applications in data centers and telecom racks. LC connectors provide secure connections in tight spaces .
• MPO/MTP (Multi-Fiber Push-On / Multi-Fiber Termination Push-On): Multi-fiber connectors handling 8, 12, 16, or 24 fibers per connector. Essential for high-speed parallel transmission in backbone networks and data centers. MTP is an enhanced version with lower insertion loss and higher durability . Other connectors like ST (Straight Tip) and FC (Ferrule Connector) may still be used in legacy or specialized installations, but SC, LC, and MPO/MTP dominate modern deployments.

Practical Considerations

• Polish Type: Matching UPC (Ultra Physical Contact) or APC (Angled Physical Contact) is critical to minimize signal loss.
• Splicing and Termination: Hollow-core fibers require careful handling during splicing to avoid damage to the photonic cladding .
• Deployment Context: In Syria, these connectors are used in FTTP networks, data centers, and utility infrastructure projects, including UNDOF fiber layouts .

Conclusion

For hollow-core fiber optic deployments in Syria, SC, LC, and MPO/MTP connectors are the most practical and commonly used, offering compatibility with both FTTP networks and high-speed backbone systems. Proper connector selection, polish type, and careful handling are essential to maintain the low-loss and high-performance characteristics of hollow-core fibers.