3D-printed ultrashort and broadband polarizing beam splitter based on PCF design

Andrea Bertoncini; Carlo Liberale

doi:10.1117/12.2578081

5 March 2021 3D-printed ultrashort and broadband polarizing beam splitter based on PCF design

Andrea Bertoncini, Carlo Liberale

Proceedings Volume 11682, Optical Components and Materials XVIII; 116820G (2021) https://doi.org/10.1117/12.2578081
Event: SPIE OPTO, 2021, Online Only

Abstract

The miniaturization of optical fiber polarization beam splitters (PBS) is highly desired, especially in optical communications. Here, we demonstrate the first-ever PBS based on Photonic Crystal Fibers (PCFs). The device is enabled by high-resolution 3D printing based on two-photon lithography, a method that grants unprecedented design flexibility to realize PCF segments with arbitrary geometries. The PCF-PBS is composed of three segments, for a total length of 210 µm, and is directly printed in a single step on a single-mode fiber. The PCF-PBS has an extinction ratio greater than 10 dB on a 100 nm bandwidth centered at around 1550 nm.

Conference Presentation

Citation Download Citation

Andrea Bertoncini and Carlo Liberale "3D-printed ultrashort and broadband polarizing beam splitter based on PCF design", Proc. SPIE 11682, Optical Components and Materials XVIII, 116820G (5 March 2021); https://doi.org/10.1117/12.2578081

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