Compact and broadband edge coupler based on multi-stage silicon nitride tapers

B Bhandari, CS Im, KP Lee, SM Kim… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
We have proposed and experimentally realized an ultra-compact and broadband silicon
nitride edge-coupler that enables high coupling efficiency. The proposed coupler was …

Simple and fully CMOS-compatible low-loss fiber coupling structure for a silicon photonics platform

Y Maegami, M Okano, G Cong, K Suzuki, M Ohno… - Optics Letters, 2020 - opg.optica.org
A simple low-loss fiber coupling structure consisting of a Si inverted-taper waveguide and a
435 nm wide and 290 nm thick SiN waveguide was fabricated with fully complementary …

Fabrication of a self-aligned multi-waveguide-layer passive Si3N4/SiO2 photonic integrated circuit for a 3-D optical phased array device

D Wu, K Owen, B Yu, Y Yi - Optical Materials Express, 2023 - opg.optica.org
Most traditional PICs (photonics integrated circuits) are based on a single-waveguide-layer
configuration, which takes advantage of the mature fabrication process from the EIC …

Buried 3D spot-size converters for silicon photonics

W Zhang, M Ebert, JD Reynolds, B Chen, X Yan, H Du… - Optica, 2021 - opg.optica.org
In this article, an efficient spot-size converter (SSC) for low-loss optical mode transition
between large and small waveguides based upon a buried three-dimensional (3D) taper is …

CMOS-compatible ultralow-loss three-step silicon edge coupler with substrate substitution in the whole communication band

Z Wang, J Zhang, L Zhang, X Ruan, W Tang, T Chu - Micromachines, 2022 - mdpi.com
Edge coupler is a key component of silicon-based optoelectronic chips, which dramatically
reduces the coupling loss between fibers and transmission waveguides. Here, we propose …

O-band and C-band dual-polarization SMF-28 edge coupler with SiON taper cladding based on silicon nitride platform

Y Li, J Xu, X Quan, C Guo, X **, X Cheng - Optics Express, 2024 - opg.optica.org
Optical communication is progressing towards low power consumption and lightweight
solutions, necessitating the integration of multispectral output capabilities within a single …

High-efficiency end-fire 3D optical phased array based on a multi-layer Si3N4/SiO2 platform

D Wu, Y Yi, Y Zhang - Applied optics, 2020 - opg.optica.org
Beam-steering devices such as optical phased arrays (OPAs) are key components in the
applications of solid-state Lidar and wireless communication. The traditional single-layer …

Tutorial on Silicon Photonics Integrated Platform Fiber Edge Coupling

SS Avdeev, AS Baburin, EV Sergeev… - arxiv preprint arxiv …, 2024 - arxiv.org
Photonic integrated circuits (PICs) play a crucial role in almost every aspect of modern life,
such as data storage, telecommunications, medical diagnostics, green energy, autonomous …

CMOS-compatible, broadband, and polarization-independent edge coupler for efficient chip coupling with standard single-mode fiber

L Wang, F Han, H Chen, J Huang, Y Zhang, X Zhang… - Applied Optics, 2022 - opg.optica.org
A CMOS-compatible, broadband, and polarization-independent edge coupler for efficient
chip coupling with standard single-mode fiber is proposed. Three layers of a silicon nitride …

Polarization-insensitive multimode interference coupler based on a subwavelength grating structure

R Liu, W Zhao, Z Yu, D Dai - Optics Letters, 2024 - opg.optica.org
A multimode interference (MMI) coupler is one of the basic components for photonic
integrated circuits. However, MMI couplers realized by conventional waveguides are …