Coupling strategies for silicon photonics integrated chips

R Marchetti, C Lacava, L Carroll, K Gradkowski… - Photonics …, 2019‏ - opg.optica.org
Over the last 20 years, silicon photonics has revolutionized the field of integrated optics,
providing a novel and powerful platform to build mass-producible optical circuits. One of the …

Grating couplers on silicon photonics: Design principles, emerging trends and practical issues

L Cheng, S Mao, Z Li, Y Han, HY Fu - Micromachines, 2020‏ - mdpi.com
Silicon photonics is an enabling technology that provides integrated photonic devices and
systems with low-cost mass manufacturing capability. It has attracted increasing attention in …

High-efficiency self-focusing metamaterial grating coupler in silicon nitride with amorphous silicon overlay

W Fraser, D Benedikovic, R Korcek, M Milanizadeh… - Scientific Reports, 2024‏ - nature.com
Efficient fiber-chip coupling interfaces are critically important for integrated photonics. Since
surface gratings diffract optical signals vertically out of the chip, these couplers can be …

Highly efficient dual-level grating couplers for silicon nitride photonics

V Vitali, C Lacava, T Domínguez Bucio, FY Gardes… - Scientific Reports, 2022‏ - nature.com
We propose and numerically demonstrate a versatile strategy that allows designing highly
efficient dual-level grating couplers in different silicon nitride-based photonic platforms. The …

Silicon nitride assisted 1× 64 optical phased array based on a SOI platform

Q Wang, S Wang, L Jia, Y Cai, W Yue, M Yu - Optics Express, 2021‏ - opg.optica.org
We demonstrate a 1× 64 optical phased array (OPA) based on a silicon on insulator (SOI)
platform with integrated silicon nitride. The input port of the OPA is fabricated using a silicon …

A high efficiency silicon nitride waveguide grating coupler with a multilayer bottom reflector

J Hong, AM Spring, F Qiu, S Yokoyama - Scientific reports, 2019‏ - nature.com
We propose a high efficiency apodized grating coupler with a bottom reflector for silicon
nitride photonic integrated circuits. The reflector consists of a stack of alternate silicon nitride …

Library of single-etch silicon nitride grating couplers for low-loss and fabrication-robust fiber-chip interconnection

R Korček, D Medina Quiroz, Q Wilmart, S Edmond… - Scientific Reports, 2023‏ - nature.com
Abstract Silicon nitride (Si3N4) waveguides become an appealing choice to realize complex
photonic integrated circuits for applications in telecom/datacom transceivers, sensing, and …

Blind zone-suppressed hybrid beam steering for solid-state Lidar

C Li, X Cao, K Wu, G Qiu, M Cai, G Zhang, X Li… - Photonics …, 2021‏ - opg.optica.org
We demonstrate a blind zone-suppressed and flash-emitting solid-state Lidar based on lens-
assisted beam-steering technology. As a proof-of-concept demonstration, with the design of …

High-efficiency metamaterial-engineered grating couplers for silicon nitride photonics

W Fraser, R Korček, I Glesk, J Litvik, JH Schmid… - Nanomaterials, 2024‏ - mdpi.com
Silicon nitride (Si3N4) is an ideal candidate for the development of low-loss photonic
integrated circuits. However, efficient light coupling between standard optical fibers and …

[HTML][HTML] O-band grating couplers using silicon nitride structures

E Ohana, D Malka - Applied Sciences, 2023‏ - mdpi.com
To test silicon photonics component performances, a silicon (Si) grating coupler (GC) is
used to couple the light from a single-mode fiber (SMF) into the chip. However, silicon nitride …