0.174 dB/km Hollow Core Double Nested Antiresonant Nodeless Fiber (DNANF)

We report the first double-nested antiresonant hollow core fiber. The fiber matches the loss of commercial solid core fibers in the C-band (0.174 dB/km) and fundamentally improves it (0.22 dB/km) in the O-band.

Automated summary

This study presents the first double-nested antiresonant hollow core fiber, which matches the loss of commercial solid core fibers in the C-band and fundamentally improves it in the O-band.