1.5k citations · 13.4k across the 75 of their papers we have counts for
16 papers · 1 filter
11 TeraFLOPs per second photonic convolutional accelerator for deep learning optical neural networks
Xingyuan Xu, Mengxi Tan, Bill Corcoran +9
Convolutional neural networks (CNNs), inspired by biological visual cortex systems, are a powerful category of artificial neural networks that can extract the hierarchical features…
High performance integrated polarizers achieved by incorporating 2D layered graphene oxide films
Jiayang Wu, Yunyi Yang, Yuning Zhang +9
Polarizers and polarization selective resonant cavities (e.g., ring resonators, gratings), are key components for applications to photography, coherent optical detection, polarizat…
Reconfigurable photonic RF filters based on integrated Kerr frequency comb sources
Xingyuan Xu, Mengxi Tan, Jiayang Wu +6
We demonstrate two categories of photonic radio frequency (RF) filters based on integrated optical micro-combs. The first one is based on the transversal filtering structure and th…
Reconfigurable fractional microwave signal processor based on a microcomb
Mengxi Tan, Xingyuan Xu, Jiayang Wu +6
We propose and demonstrate reconfigurable fractional microwave signal processing based on an integrated Kerr optical microcomb. We achieve two forms of microwave signal processing…
BiOBr 2D materials for integrated nonlinear photonics devices
Linnan Jia, Dandan Cui, Jiayang Wu +8
As a new group of advanced 2D layered materials, bismuth oxyhalides, i.e., BiOX (X = Cl, Br, I), have recently become of great interest. In this work, we characterize the third-ord…
Enhanced four-wave-mixing and 3rd order optical nonlinearity in SiN nanowires integrated with graphene oxide films
Yang Qu, Jiayang Wu, Yunyi Yang +10
Layered 2D graphene oxide (GO) films are integrated with silicon nitride (SiN) waveguides to experimentally demonstrate an enhanced Kerr nonlinearity via four wave mixing (FWM). Ow…
Arbitrary waveform generator for microwave and radio frequencies based on photonics with an integrated 49GHz Kerr micro-comb
Mengxi Tan, Xingyuan Xu, Andreas Boes +8
We report a photonic-based radio frequency (RF) arbitrary waveform generator (AWG) using a soliton crystal micro-comb source with a free spectral range (FSR) of 48.9 GHz. The comb…
Large and negative Kerr nonlinearity in PdSe2 dichalcogenide 2D films
Linnan Jia, Jiayang Wu, Tieshan Yang +2
We report a large third order nonlinear optical response of palladium diselenide (PdSe2) films, a two dimensional (2D) noble metal dichalcogenide material. Both open aperture (OA)…
Photonic RF channelizer based on a 90 wavelength optical soliton crystal 49GHz Kerr microcomb
Xingyuan Xu, Mengxi Tan, Jiayang Wu +7
We report a broadband radio frequency (RF) channelizer with up to 92 channels using a coherent microcomb source. A soliton crystal microcomb, generated by a 49 GHz micro-ring reson…
Photonic radio frequency and microwave integration based on a multi-wavelength 49GHz Kerr microcomb source
Xingyuan Xu, Mengxi Tan, Jiayang Wu +8
We demonstrate a photonic RF integrator based on an integrated soliton crystal microcomb source. By multicasting and progressively delaying the input RF signal using a transversal…
Enhanced nonlinear optical figure-of-merit at 1550nm for silicon nanowires integrated with graphene oxide layered films
Yuning Zhang, Jiayang Wu, Yunyi Yang +5
Layered 2D GO films are integrated with silicon on insulator (SOI) nanowire waveguides to experimentally demonstrate an enhanced Kerr nonlinearity, observed through selfphase modul…
Single photonic perceptron based on a soliton crystal Kerr microcomb for high-speed, scalable, optical neural networks
Xingyuan Xu, Mengxi Tan, Bill Corcoran +9
Optical artificial neural networks (ONNs), analog computing hardware tailored for machine learning, have significant potential for ultra-high computing speed and energy efficiency.…
Optical data transmission at 44Tb/s and 10 bits/s/Hz over the C-band with standard fibre and a single micro-comb source
Bill Corcoran, Mengxi Tan, Xingyuan Xu +8
Micro-combs [1 - 4], optical frequency combs generated by integrated micro-cavity resonators, offer the full potential of their bulk counterparts [5,6], but in an integrated footpr…
Comparison of photonic transversal RF spectral filters based on different optical microcombs
Mengxi Tan, Xingyuan Xu, Jiayang Wu +3
Integrated Kerr microcombs are emerging as a powerful tool as sources of multiple wavelength channels for photonic RF and microwave signal processing mainly in the context of trans…
Enhanced four-wave-mixing with 2D layered graphene oxide films integrated with CMOS compatible micro-ring resonators
Jiayang Wu, Yunyi Yang, Yang Qu +8
Layered 2D graphene oxide (GO) films are integrated with microring resonators (MRRs) to experimentally demonstrate enhanced nonlinear optics in the form of four wave mixing (FWM).…
Optical Kerr soliton crystal microcomb source for RF photonic fractional differentiation
Mengxi Tan, Xingyuan Xu, Bill Corcoran +8
We report a photonic radio frequency (RF) fractional differentiator based on an integrated Kerr micro-comb source. The micro-comb source has a free spectral range (FSR) of 49 GHz,…