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Open AccessBroadband angular spectrum differentiation using dielectric metasurfaces
Signal processing is of critical importance for various science and technology fields. Analog optical processing can provide an effective solution to perform large-scale and real-time data processing, superior...
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Open AccessChip-to-chip optical multimode communication with universal mode processors
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 higher data throughput. In a...
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Article
Open AccessIntegrated contra-directionally coupled chirped Bragg grating waveguide with a linear group delay spectrum
Due to the advantages of low propagation loss, wide operation bandwidth, continuous delay tuning, fast tuning speed, and compact footprints, chirped Bragg grating waveguide has great application potential in w...
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Open AccessA “light chaser” and his dream of Optics Valley of China
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Open AccessHigh-order dynamic localization and tunable temporal cloaking in ac-electric-field driven synthetic lattices
Dynamic localization (DL) of photons, i.e., the light-motion cancellation effect arising from lattice’s quasi-energy band collapse under a synthetic ac-electric-field, provides a powerful and alternative mecha...
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Article
Open AccessMetasurface for highly-efficient on-chip classical and quantum all-optical modulation
Metasurface made of artificially two-dimensional structured subwavelength-scaled nanostructures gives rise to unprecedented efficient way to realize on-chip all-optical modulation, in both classical regime and...
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Article
Open AccessA small microring array that performs large complex-valued matrix-vector multiplication
As an important computing operation, photonic matrix–vector multiplication is widely used in photonic neutral networks and signal processing. However, conventional incoherent matrix–vector multiplication focus...
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Open AccessPhotonic matrix multiplication lights up photonic accelerator and beyond
Matrix computation, as a fundamental building block of information processing in science and technology, contributes most of the computational overheads in modern signal processing and artificial intelligence ...
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Article
2D materials as a new platform for photonic applications
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Performance of integrated optical switches based on 2D materials and beyond
Applications of optical switches, such as signal routing and data-intensive computing, are critical in optical interconnects and optical computing. Integrated optical switches enabled by two-dimensional (2D) m...
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The smallest nanowire spectrometers
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Open AccessField-programmable silicon temporal cloak
Temporal cloaks have aroused tremendous research interest in both optical physics and optical communications, unfolding a distinct approach to conceal temporal events from an interrogating optical field. The s...
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On-chip programmable pulse processor employing cascaded MZI-MRR structure
Optical pulse processor meets the urgent demand for high-speed, ultra wideband devices, which can avoid electrical confinements in various fields, e.g., alloptical communication, optical computing technology, ...
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Open AccessSlow-light-enhanced energy efficiency for graphene microheaters on silicon photonic crystal waveguides
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 interactions. By incorporating a gr...
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Open AccessPhotonic crystal nanocavity assisted rejection ratio tunable notch microwave photonic filter
Driven by the increasing demand on handing microwave signals with compact device, low power consumption, high efficiency and high reliability, it is highly desired to generate, distribute, and process microwav...
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Large-range tunable fractional-order differentiator based on cascaded microring resonators
In this paper, we experimentally demonstrate an all-optical continuously tunable fractional-order differentiator using on-chip cascaded electrically tuned microring resonators (MRRs). By changing the voltage a...
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Route-asymmetrical light transmission of a fiber-chip-fiber optomechanical system
In this paper, we proposed and experimentally demonstrated a route-asymmetrical light transmission scheme based on the thermal radiative effect, which means that forward and backward propagations of an optical...
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A Special issue on Semiconductor optoelectronics dedicated to Prof. Dexiu Huang’s 80th birthday
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Theoretical analysis for optomechanical all-optical transistor
In this paper, we propose an on-chip all optical transistor driven by optical gradient force. The transistor consists of a single micro-ring resonator, half of which is suspended from the substrate, and a bus ...
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Open AccessRetrieving orbital angular momentum distribution of light with plasmonic vortex lens
We utilize a plasmonic vortex lens (PVL) to retrieve the orbital angular momentum (OAM) distribution of light. The OAM modes are coupled to the surface plasmon polaritons (SPPs) in the form of various Bessel f...
