14 citations · 15 across the 11 of their papers we have counts for
11 papers
3D surface profiling via photonic integrated geometric sensor
Ziyao Zhang, Yizhi Wang, Chunhui Yao +11
Measurements of microscale surface patterns are essential for process and quality control in industries across semiconductors, micro-machining, and biomedicines. However, the devel…
Wavelength-agnostic 3D-Nanoprinted coupler
Huiyu Huang, Zhitian Shi, Chunhui Yao +2
We present a photonic coupler that exhibits effectively wavelength-agnostic performance for ultra-broadband optical interfacing. By incorporating a dual-ellipsoidal geometry, the d…
Tri-layer SiN-on-Si 8x8 Optical Switches with Thermo-optic and Electro-optic Actuators
Bohao Sun, Chunhui Yao, Tongyun Li +11
We present two spatial-multiplexed switch-and-select (S&S) 8x8 optical switches incorporating a tri-layer SiN-on-Si platform, one equipped with thermo-optic (T-O) and the other ele…
Optical Convolutional Spectrometer
Chunhui Yao, Jie Ma, Ningning Wang +12
Optical spectrometers are fundamental across numerous disciplines in science and technology. However, miniaturized versions, while essential for in situ measurements, are often res…
Ultra-low-crosstalk Silicon Switches Driven Thermally and Electrically
Peng Bao, Chunhui Yao, Chenxi Tan +5
Silicon photonic switches are widely considered as a cost-effective solution for addressing the ever-growing data traffic in datacenter networks, as they offer unique advantages su…
Chip-scale sensor for spectroscopic metrology
Chunhui Yao, Wanlu Zhang, Peng Bao +10
Miniaturized spectrometers hold great promise for in situ, in vitro, and even in vivo sensing applications. However, their size reduction imposes vital performance constraints in m…
Asymmetrical estimator for training encapsulated deep photonic neural networks
Yizhi Wang, Minjia Chen, Chunhui Yao +4
Photonic neural networks (PNNs) are fast in-propagation and high bandwidth paradigms that aim to popularize reproducible NN acceleration with higher efficiency and lower cost. Howe…
Benchmarking reconstructive spectrometer with multi-resonant cavities
Chunhui Yao, Kangning Xu, Tianhua Lin +6
Recent years have seen the rapid development of miniaturized reconstructive spectrometers (RSs), yet they still confront a range of technical challenges, such as bandwidth/resoluti…
Redesigning spectroscopic sensors with programmable photonic circuits
Chunhui Yao, Kangning Xu, Wanlu Zhang +3
Optical spectroscopic sensors are a powerful tool to reveal light-matter interactions in many fields, such as physics, biology, chemistry, and astronomy. Miniaturizing the currentl…
I/O-efficient iterative matrix inversion with photonic integrated circuits
Minjia Chen, Yizhi Wang, Chunhui Yao +4
Photonic integrated circuits have been extensively explored for optical processing with the aim of breaking the speed bottleneck of digital electronics. However, the input/output (…
Multi-mode conversion via two-dimensional refractive-index perturbation on a silicon waveguide
Chunhui Yao, Zhen Wang, Hongwei Wang +3
Mode-division multiplexing offers a promising solution to increase the data capacity for optical communications. Waveguide mode conversion is essential for on-chip mode-division mu…