Hollow-core anti-resonant fiber (AR-HCF) is a game-changing technology that guides light through air instead of silica glass. This revolutionary approach delivers 33% lower signal latency (light travels ~41% faster in air than glass), nearly eliminates non-linear effects, and enables new applications impossible with conventional solid-core fibers.
Already commercially deployed in financial low-latency networks, quantum communication backbones, and AI computing centers worldwide, hollow-core fiber represents the next frontier of optical communication technology.
| Fiber Type | Anti-resonant Hollow-core Fiber (AR-HCF) |
| Operating Wavelength Bands | O-band (1310nm), C+L-band (1550nm) |
| Attenuation @1550nm | ≤ 0.2 dB/km (typical 0.15-0.18 dB/km) |
| Attenuation @1310nm (O-band) | ≤ 0.3 dB/km |
| Latency Improvement | ~33% lower than solid fiber (speed of light in air vs glass) |
| Non-linear Coefficient | ~1000x lower than SMF (near zero) |
| Chromatic Dispersion @1550nm | ~1-2 ps/(nm·km) (flat dispersion) |
| Mode Field Diameter | 25 ~ 35 μm |
| Cladding Diameter | 125 ~ 230 μm (customizable) |
| Single Draw Length | 40 ~ 50 km |
| Proof Test Level | ≥ 100 kpsi |