273 citations · 762 across the 20 of their papers we have counts for
20 papers
Giant superchiral field at merged bound states in the continuum
Hamdi Barkaoui, Kang Du, Yimu Chen +2
Superchiral field is highly important for ultrasensitive detection of chiral objects and has been intensively explored. Despite the progress, the construction of electromagnetic fi…
Suppressing meta-holographic artifacts by laser coherence tuning
Yaniv Eliezer, Geyang Qu, Wenhong Yang +5
A metasurface hologram combines fine spatial resolution and large viewing angles with a planar form factor and compact size. However, it suffers coherent artifacts originating from…
Lead Halide Perovskite based Dynamic Metasurfaces
Chen Zhang, Yuhan Wang, Yisheng Gao +6
Lead halide perovskites (MAPbX3) are known to have high refractive index and controllable bandgap, making them attractive for all-dielectric and tunable metasurfaces. Till now, per…
Enhancing the Three-Photon Luminesce via the Resonance in Lead Halide Perovskite Metasurfaces
Yubin Fan, Yuhan Wang, Nan Zhang +5
Lead halide perovskites (MAPbX3) have emerged as promising materials for photovoltaic and optoelectronic devices. However, their exceptional nonlinear properties have not been full…
Arbitrarily routed mode-division multiplexed photonic circuits for dense integration
Yingjie Liu, Ke Xu, Shuai Wang +8
Mode-division multiplexing (MDM) is becoming an enabling technique for large-capacity data communications via encoding the information on orthogonal guiding modes. However, the on-…
Orientational migration of halide ion in lead halide perovskites
Ningbo Yi, Gang Li, Yuhan Wang +4
With the rapid evolution of lead halide perovskite solar cells, there are considerable evidences that the mobile ions strongly impact their properties. However, except the activati…
All passive photonic power divider with arbitrary split ratio
Ke Xu, Lu Liu, Xiang Wen +6
Integrated optical power splitter is one of the fundamental building blocks in photonic integrated circuits (PIC). Conventional multimode interferometer based power splitter is wid…
Whispering-gallery-mode based CH3NH3PbBr3 perovskite microrod lasers with high quality factors
Kaiyang Wang, Shang Sun, Chen Zhang +4
Lead halide perovskite based micro- and nano- lasers have been widely studied in past two years. Due to their long carrier diffusion length and high external quantum efficiency, le…
Random lasing actions in self-assembled perovskite nanoparticles
Shuai Liu, Wenzhao Sun, Jiankai Li +4
Solution-based perovskite nanoparticles have been intensively studied in past few years due to their applications in both photovoltaic and optoelectronic devices. Here, based on th…
Formation of Single-mode Laser in Perovskite Nanowire via Nano-manipulation
Kaiyang Wang, Zhiyuan Gu, Shuai Liu +3
Perovskite based micro- and nano- lasers have attracted considerable research attention in past two years. However, the properties of perovskite devices are mostly fixed once they…
Two-photon pumped lead halide perovskite nanowire lasers
Zhiyuan Gu, Kaiyang Wang, Wenzhao Sun +4
Solution-processed lead halide perovskites have shown very bright future in both solar cells and microlasers. Very recently, the nonlinearity of perovskites started to attract cons…
The combination of directional outputs and single-mode operation in circular microdisk with broken PT symmetry
Qinghai Song, Jiankai Li, Wenzhao Sun +4
Monochromaticity and directionality are two key characteristics of lasers. However, the combination of directional emission and single-mode operation is quite challenging, especial…
Experimental demonstration of PT-symmetric stripe lasers
Zhiyuan Gu, Nan Zhang, Quan Lyu +3
Recently, the coexistence of parity-time (PT) symmetric laser and absorber has gained tremendous research attention. While the PT symmetric absorber has been observed in microwave…
End-fire injection of guided light into optical microcavity
Shuai Liu, Zhiyuan Gu, Nan Zhang +4
Coupling light into microdisk plays a key role in a number of applications such as resonant filters and optical sensors. While several approaches have successfully coupled light in…
Inversed Vernier effect based single-mode laser emission in coupled microdisks
Meng Li, Nan Zhang, Kaiyang Wang +3
Recently, on-chip single-mode laser emission has attracted considerable research attention due to its wide applications. While most of single-mode lasers in coupled microdisks or m…
Quasi-guiding modes in microfibers on high refractive index substrate
Kaiyang Wang, Zhiyuan Gu, Wenzhao Sun +3
Light confinement and amplification in micro- & nano-fiber have been intensively studied and a number of applications have been developed. However, the typical micro- & anno- fiber…
Multimode Coupling by Boundary Wave Scattering
Li Ge, Qinghai Song, Brandon Redding +3
We show that coupling among multiple resonances can be conveniently introduced and controlled by boundary wave scattering. We demonstrate this principle in optical microcavities of…
Extreme Sensitivity of Output Directionality to Boundary Perturbation in Wavelength-Scale Microcavities
Li Ge, Qinghai Song, Brandon Redding +1
We report a surprising observation that the output directionality from wavelength-scale optical microcavities displays extreme sensitivity to deformations of the cavity shape. A va…
Local chirality of optical waves in ultrasmall resonators
Brandon Redding, Li Ge, Qinghai Song +3
The local chiral symmetry between clockwise (CW) and counter-clockwise (CCW) propagating light in a deformed microcavity can be broken by wave optics effects, which become signific…
Deformed Microcavity for Far Field Biosensing
Qinghai Song, Young L Kim
Here we demonstrate a new concept for designing an ultra-sensitive deformed cavity biosensor. Owning to the breaking of rotational symmetry, the field distribution is not uniform a…