Low confinement loss anti-resonant hollow-core fiber with a nested capsule shape tube

Key Points

• Confinement loss is significantly reduced in the nested capsule shape compared to traditional designs.
• The new hollow-core fiber design effectively traps light, enhancing performance for various optical applications.
• This observational analysis focuses on waveguiding properties under different physical geometries of hollow-core fibers.
• Improved optical fiber designs may enable advancements in high-speed data transmission and reduced energy consumption.