Negative curvature fibers with reduced leakage loss. - Walter Belardi; Jonathan C. Knight (OFC, 2014)

Hollow Core Antiresonant Fibers: Novel Designs, Materials and Applications. - Walter Belardi; Adam Lewis; Francesco De Lucia; Pier John Sazio (ICTON, 2018)

How to Amplify Light in an Unfilled Hollow Core Optical Fiber. - Walter Belardi; Laurent Bigot; Pier J. Sazio (ICTON, 2019)

Laser-based nitric oxide detection at 5.26 µm using Antiresonant Hollow-Core Fiber. - Piotr Jaworski; Grzegorz Dudzik; Pier J. Sazio; Walter Belardi; Karol Krzempek (OFC, 2021)

Designing and exploiting the properties of gas filled hollow core optical fibers. - Walter Belardi; William J. Wadsworth; Jonathan C. Knight; Piotr Jaworski; Karol Krzempek; Aymeric Pastre; Géraud Bouwmans; Laurent Bigot; Luca Vincetti; Lorenzo Rosa; Annamaria Cucinotta (ICTON, 2024)