Advances in cost-effective integrated spectrometers

A Li, C Yao, J Xia, H Wang, Q Cheng, R Penty… - Light: Science & …, 2022 - nature.com
The proliferation of Internet-of-Things has promoted a wide variety of emerging applications
that require compact, lightweight, and low-cost optical spectrometers. While substantial …

Polarization management for silicon photonic integrated circuits

D Dai, L Liu, S Gao, DX Xu, S He - Laser & Photonics Reviews, 2013 - Wiley Online Library
Polarization management is very important for photonic integrated circuits (PICs) and their
applications. Due to geometrical anisotropy and fabrication inaccuracies, the characteristics …

Silicon-based on-chip multiplexing technologies and devices for Peta-bit optical interconnects

D Dai, JE Bowers - Nanophotonics, 2014 - degruyter.com
An effective solution to enhance the capacity of an optical-interconnect link is utilizing
advanced multiplexing technologies, like wavelength-division-multiplexing (WDM) …

Passive technologies for future large-scale photonic integrated circuits on silicon: polarization handling, light non-reciprocity and loss reduction

D Dai, J Bauters, JE Bowers - Light: Science & Applications, 2012 - nature.com
Silicon-based large-scale photonic integrated circuits are becoming important, due to the
need for higher complexity and lower cost for optical transmitters, receivers and optical …

Silicon photonic filters

D Liu, H Xu, Y Tan, Y Shi, D Dai - Microwave and Optical …, 2021 - Wiley Online Library
Photonic filters are playing a very important role in many applications, including optical
interconnects as well as optical sensing. As silicon photonics has provided a very attractive …

Silicon nanophotonic integrated devices for on-chip multiplexing and switching

D Dai - Journal of Lightwave Technology, 2016 - ieeexplore.ieee.org
A review is given on our recent progresses in silicon nanophotonic integrated devices for
multiplexing and switching, which are key elements in a multichannel multiplexed photonic …

Low-loss Si3N4 arrayed-waveguide grating (de)multiplexer using nano-core optical waveguides

D Dai, Z Wang, JF Bauters, MC Tien, MJR Heck… - Optics express, 2011 - opg.optica.org
A 16-channel 200GHz arrayed-waveguide grating (AWG)(de)-multiplexer is demonstrated
experimentally by utilizing Si_3N_4 buried optical waveguides, which have 50nm-thick …

Ultra‐Low‐Crosstalk Silicon Arrayed‐Waveguide Grating (De) multiplexer with 1.6‐nm Channel Spacing

X Shen, C Li, W Zhao, H Li, Y Shi… - Laser & Photonics …, 2024 - Wiley Online Library
A silicon arrayed‐waveguide grating (AWG) with 1.6‐nm channel spacing is proposed and
realized with high performances for dense wavelength‐division (de) multiplexing systems …

High-order microring resonators with bent couplers for a box-like filter response

P Chen, S Chen, X Guan, Y Shi, D Dai - optics letters, 2014 - opg.optica.org
High-order microring resonator (MRR) filters with bent directional couplers are proposed
and demonstrated to achieve a box-like filter response. When using bent couplers, the …

Compact broadband polarization beam splitter based on multimode interference coupler with internal photonic crystal for the SOI platform

L Xu, Y Wang, E El-Fiky, D Mao… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
We experimentally demonstrate a compact broadband polarization beam splitter (PBS)
based on a multimode interference (MMI) coupler with internal photonic crystal (PC) for the …