206 citations · 738 across the 24 of their papers we have counts for
24 papers
Eight-input optical programmable logic array enabled by parallel spectrum modulation
Wenkai Zhang, Bo Wu, Junwei Cheng +5
Despite over 40 years' development of optical logic computing, the studies have been still struggling to support more than four operands, since the high parallelism of light has no…
Redundancy-free integrated optical convolver for optical neural networks based on arrayed waveguide grating
Shiji Zhang, Haojun Zhou, Bo Wu +5
Optical neural networks (ONNs) have gained significant attention due to their potential for high-speed and energy-efficient computation in artificial intelligence. The implementati…
Chip-to-chip optical multimode communication with universal mode processors
Bo Wu, Wenkai Zhang, Hailong Zhou +4
The increasing amount of data exchange requires higher-capacity optical communication links. Mode division multiplexing (MDM) is considered as a promising technology to support the…
Thermo-optic phase shifter based on hydrogen-doped indium oxide microheater
Weiyu Tong, Erqi Yang, Yu Pang +6
Thermo-optic (TO) phase shifters are very fundamental units in large-scale active silicon photonic integrated circuits (PICs). However, due to the limitation of microheater materia…
Loss-induced high-density multi-mode integrated waveguides array
Yanxian Wei, Hailong Zhou, Yunhong Ding +5
The integration density of photonic integrated circuits has been limited by light coupling between waveguides. Traditional approaches to layout the waveguide with high density are…
Fully-integrated multipurpose microwave frequency identification system on a single chip
Yuhan Yao, Yuhe Zhao, Yanxian Wei +8
We demonstrate a fully-integrated multipurpose microwave frequency identification system on silicon-on-insulator platform. Thanks to its multipurpose features, the chip is able to…
Chiral polarizer based on encircling EP
Yanxian Wei, Hailong Zhou, Yuntian Chen +3
Encircling an exceptional point (EP) in a parity-time (PT) symmetric system has shown great potential for chiral optical devices, such as chiral mode switching for symmetric and an…
Fast-response silicon photonic microheater induced by parity-time symmetry breaking
Yanxian Wei, Junwei Cheng, Yilun Wang +7
Thermo-optic microheater is indispensable in silicon photonic devices for smart and reconfigurable photonic networks. Much efforts have been made to improve the metallic microheate…
Self-learning photonic signal processor with an optical neural network chip
Hailong Zhou, Yuhe Zhao, Xu Wang +3
Photonic signal processing is essential in the optical communication and optical computing. Numerous photonic signal processors have been proposed, but most of them exhibit limited…
Ultra-compact graphene plasmonic photodetector with the bandwidth over 110GHz
Yunhong Ding, Zhao Cheng, Xiaolong Zhu +7
Graphene-based photodetectors, taking advantage of high carrier mobility and broadband absorption in graphene, have recently experienced rapid development. However, their performan…
On-chip multipurpose microwave frequency identification
Xu Wang, Feng Zhou, Dingshan Gao +4
We demonstrate a multipurpose microwave frequency identification solution that is implemented based on a photonic integrated chip and is able to identify different types of microwa…
Directional coupling and focusing surface plasmon polaritons controlled by arbitrary spin of light
Hailong Zhou, Jinran Qie, Jianji Dong +1
Surface plasmon polaritons have attracted varies of interests due to its special properties, especially in the polarization-controlled devices. Typically, the polarization-controll…
Arbitrary spin-controlled directional coupling of surface plasmon polaritons
Hailong Zhou, Jinran Qie, Jianji Dong +1
Controlling the directionality of surface plasmon polaritons (SPPs) has been widely studied, while the direction of SPPs was always switched by orthogonal polarizations in the repo…
Frequency manipulation of light by photonic gauge potentials
Chengzhi Qin, Feng Zhou, Yugui Peng +6
The ability to manipulate the frequency of light is of great importance in both fundamental quantum sciences and practical applications. Traditional method for frequency conversion…
Orbital angular momentum divider of light
Hailong Zhou Jianji Dong, Shimao Li, Xinlun Cai +2
Manipulation of orbital angular momentum (OAM) of light is essential in OAM-based optical systems. Especially, OAM divider, which can convert the incoming OAM mode into one or seve…
Orbital angular momentum complex spectrum analyzer for vortex light based on rotational Doppler Effect
Hailong Zhou, Dongzhi Fu, Jianji Dong +5
The function to measure orbital angular momentum (OAM) distribution of vortex light is essential for OAM applications. Although there are lots of works to measure OAM modes, it is…
Theoretical analysis and experimental verification on optical rotational Doppler effect
Hailong Zhou, Dongzhi Fu, Jianji Dong +2
We present a theoretical model to sufficiently investigate the optical rotational Doppler effect based on modal expansion method. We find that the frequency shift content is only d…
Slow-light-enhanced energy efficiency for the graphene microheater on silicon photonic crystal waveguides
Siqi Yan, Xiaolong Zhu, Lars Hagedorn Frandsen +4
Slow light has been widely utilized to obtain enhanced nonlinearities, enhanced spontaneous emissions, and increased phase shifts owing to its ability to promote light-matter inter…
Ultra-compact and broadband tunable mid-infrared multimode interference splitter based on graphene plasmonic waveguide
Ruiqi Zheng, Dingshan Gao, Jianji Dong
We propose and design an ultra-compact and broadband tunable multimode interference (MMI) splitter in mid-infrared based on graphene plasmonic waveguides. The size of the device is…
Analysis on rotational Doppler Effect based on modal expansion method
Hailong Zhou, Jianji Dong, Pei Zhang +1
We theoretically investigate the optical rotational Doppler Effect using modal expansion method. We find that the frequency shift content is only determined by the surface of spinn…
Photonic analog computing with integrated silicon waveguides
Jianji Dong, Ting Yang, Aoleng Zheng +1
The spectra of silicon integrated waveguides are tailored to process analog computing (i.e.,differential and integral) in optical domain with huge bandwidth.With the theory of sign…
Dynamic interferometry measurement of orbital angular momentum of light
Dong Jianji, Zhou Hailong, Zhang Xinliang
We present a dynamic interferometry to measure the orbital angular momentum (OAM) of beams. An opaque screen with two air slits is employed, which can be regarded as the Youngs dou…
Experimental observation of optical differentiation and optical Hilbert transformation using a single SOI microdisk chip
Ting Yang, Jianji Dong, Li Liu +5
Optical differentiation and optical Hilbert transformation play important roles in communications, computing, information processing and signal analysis in optical domain which off…
Diversity of photonic differentiators based on flexible demodulation of phase signals
Zheng Ao-ling, Dong Jian-ji, Lei Lei +2
We theoretically prove a multifunctional photonic differentiation (DIFF) scheme based on phase demodulation using two cascaded linear filters. The photonic DIFF has a diversity of…