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A New Dimension: Large-Scale 3D Photonic Crystals Unlock Nonlinear Optical Effects

Published on:

5 October 2023

Primary Category:

Optics

Paper Authors:

Viola Valentina Vogler-Neuling,

Ülle-Linda Talts,

Rebecca Ferraro,

Helena Weigand,

Giovanni Finco,

Joel Winiger,

Peter Benedek,

Justine Kusch,

Artemios Karvounis,

Vanessa Wood,

Jürg Leuthold,

Rachel Grange

Bullets

Key Details

First bottom-up fabricated 3D nonlinear photonic crystals in woodpile geometry

Features 8 layers with 1 μm xy-periodicity and 300 nm z-periodicity

Covers 5.3x104 μm2 surface area - 100x larger than previous works

Opens possibilities for efficient multi-wavelength light generation

Provides platform to study enhanced nonlinear optics

AI generated summary

A New Dimension: Large-Scale 3D Photonic Crystals Unlock Nonlinear Optical Effects

This paper reports a breakthrough in fabricating large-scale 3D nonlinear photonic crystals, enabling enhanced nonlinear optical effects like efficient harmonic generation. Using soft nanoimprint lithography on sol-gel-derived barium titanate, woodpile crystals with 8 layers, 1 μm xy-periodicity, and 300 nm z-periodicity across 5.3x104 μm2 were achieved - 100x larger than previous works.

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