Femtosecond laser-induced optical waveguides in crystalline garnets: Fabrication and application

Y Shen, Y Jia, F Chen - Optics & Laser Technology, 2023 - Elsevier
Femtosecond laser direct writing (FLW) is recognized as a powerful tool for generating
optical waveguides for complex photonic integrated circuits in various transparent materials …

Femtosecond laser-induced periodic surface structures on hard and brittle materials

GX Zhao, G Wang, YF Li, L Wang, YD Lian… - Science China …, 2024 - Springer
Hard and brittle materials have high hardness, excellent optical stability, chemical stability,
and high thermal stability. Hence, they have huge application potential in various fields …

High-order mode waveguide amplifier with high mode extinction ratio written in an Er3+-doped phosphate glass

X Sun, YY Wang, L Zhong, D Chen, B Xu, Z Ma… - Optics …, 2023 - opg.optica.org
Inscription of fiber-compatible active waveguides in high-gain glass, followed by direct
interconnection with few-mode fibers, is one of the most promising solutions for all-optical …

Laser Printing of Large‐Area Conformal 3D photonic Circuits in Glass

X Han, Y Wang, J Hu, L Zhong… - Laser & Photonics …, 2024 - Wiley Online Library
Photonic integrated circuits (PICs) are iterating on electronic ones to enable higher‐speed
parallel computing while meeting the growing demands for energy efficiency in big‐data …

Precise mode control of laser-written waveguides for broadband, low-dispersion 3D integrated optics

Y Wang, L Zhong, KY Lau, X Han, Y Yang… - Light: Science & …, 2024 - nature.com
Abstract Three-dimensional (3D) glass chips are promising waveguide platforms for building
hybrid 3D photonic circuits due to their 3D topological capabilities, large transparent …

Toward a 10 dB net-gain waveguide amplifier in an Er3+–Yb3+ co-doped phosphate glass

X Sun, Z Chen, L Zhang, D Chen, Y Wang, B Xu… - Optics Letters, 2023 - opg.optica.org
High-gain materials and high-quality structures are the two main conditions that determine
the amplification performance of optical waveguides. However, it has been hard to balance …

Low-loss skimming waveguides with controllable mode leakage for on-chip saturable absorbers

Y Yang, L Zhong, Y Cui, Y Wang, D Chen, KY Lau… - …, 2023 - degruyter.com
Emerging 3D photonic circuits would greatly benefit from the ability to integrate skimming
waveguides with low loss and controllable inscription depth into photonic circuits. These …

Tb3+-doped borosilicate glass scintillators for high-resolution X-ray imaging

W Huang, J Chen, Y Li, Y Wu, L Li, L Chen… - Chinese Optics …, 2023 - opg.optica.org
Scintillators are the vital component in X-ray perspective image technology that is applied in
medical imaging, industrial nondestructive testing, and safety testing. But the high cost and …

Highly efficient, tunable, ultrabroadband NIR photoemission from Bi-doped nitridated germanate glasses toward all-band amplification in optical communication

F Chen, Z Chen, J Qiu, S Zhang, Z Ma - Chinese Optics Letters, 2023 - opg.optica.org
Bismuth (Bi)-doped near-infared (NIR) glass that can cover the entire optical communication
window (850, 1310, and 1550 nm) has become the subject of extensive research for …

Enhanced in-glass nonlinear optical modulation by coupling thin ENZ film with a femtosecond laser-written skimming waveguide

H Wang, Y Yang, L Zhong, Y Wang, X Han, K Lau… - Optics …, 2025 - opg.optica.org
Glass-based photonic and electronic chips are attractive due to the high transparency,
strong mechanical strength and biocompatibility of such substrates, or where low-loss …