200 citations · 1k across the 27 of their papers we have counts for
25 papers · 1 filter
Passive all-optical synchronization for polarization-maintaining ultrafast fiber lasers
Kun Huang, Jing Zeng, Jiwei Gan +3
We have proposed and implemented for the first time to our best knowledge a passive and all-optical pulse synchronization for polarization-maintaining ultrafast fiber lasers. Speci…
Controlled generation of ultrafast vector vortex beams from a mode-locked fiber laser
Kun Huang, Jing Zeng, Jiwei Gan +2
We report on a new class of mode-locked fiber laser that allows direct creation of ultrafast vector vortex beams at arbitrary positions on the higher-order Poincaré sphere. The on-…
Observation of spectral mode splitting in a pump-enhanced ring cavity for mid-infrared generation
Kun Huang, Jiwei Gan, Jing Zeng +4
We report on experimental and theoretical investigation of mode-splitting dynamics in a ring cavity under the perturbation of fractional Bragg reflection from a periodically-poled…
Passively synchronized dual-color mode-locked fiber lasers based on nonlinear amplifying loop mirrors
Jing Zeng, Bowen Li, Qiang Hao +3
We have proposed and implemented a novel scheme for passive all-optical synchronization between erbium and ytterbium mode-locked fiber lasers. The passive locking of repetition rat…
Coincidence-pumping upconversion detector based on passively synchronized fiber laser system
Weiyan Kang, Bowen Li, Yan Liang +4
We experimentally demonstrated a high-performance frequency upconversion detector for telecom-band photons based on a passively synchronized fiber laser system. The involved coinci…
Highly efficient difference-frequency generation for mid-infrared pulses by passively synchronous seeding
Kun Huang, Yinqi Wang, Jianan Fang +5
We have proposed and experimentally demonstrated a novel scheme for efficient mid-infrared difference-frequency generation based on passively synchronized fiber lasers. The adoptio…
Mid-infrared photon counting and resolving via efficient frequency upconversion
Kun Huang, Yinqi Wang, Jianan Fang +3
Optical detectors with single-photon sensitivity and large dynamic range would facilitate a variety of applications. Especially, the capability of extending operation wavelengths i…
Highly sensitive detection for infrared photons by non-degenerate two-photon absorption under mid-infrared pumping
Jianan Fang, Yinqi Wang, Ming Yan +3
We have demonstrated highly-sensitive photon counting in the infrared based on the two-photon absorption (2PA) in a silicon avalanche photodiode, where the required photon energy f…
Passive repetition-rate stabilization for a mode-locked fiber laser by electro-optic modulation
Tingting Yu, Shuhong Jiang, Jianan Fang +5
We report a passive stabilization of the repetition rate for a mode-locked fiber laser by using an electro-optic modulator in a phase-biased nonlinear amplifying loop mirror. The u…
Wide-field mid-infrared single-photon upconversion imaging
Kun Huang, Jianan Fang, Ming Yan +2
Frequency upconversion technique, where the infrared signal is nonlinearly translated into the visible band to leverage the silicon sensors, offers a promising alternation for the…
Mid-Infrared Single-Photon Edge Enhanced Imaging based on Nonlinear Vortex Filtering
Yinqi Wang, Jianan Fang, Tingting Zheng +6
Edge enhanced imaging via the spiral phase contrast enables to reveal the phase or amplitude gradients of a target, which has been proved useful in feature recognition, machine vis…
High-precision passive stabilization of repetition rate for a mode-locked fiber laser based on optical pulse injection
Tingting Yu, Jianan Fang, Qiang Hao +4
We have proposed and implemented a novel scheme to obtain high-precision repetition rate stabilization for a polarization-maintaining mode-locked fiber laser. The essential techniq…
Single-Photon Infrared Imaging with a Silicon Camera Based on Long-Wavelength-Pumping Two-Photon Absorption
Jianan Fang, Yinqi Wang, E Wu +3
We experimentally demonstrated an ultra-sensitive imaging system for telecom photons based on the non-degenerate two-photon absorption in a silicon-based electron multiplying charg…
Mid-infrared single-pixel imaging at the single-photon level
Yinqi Wang, Kun Huang, Jianan Fang +3
Single-pixel cameras have recently emerged as promising alternatives to multi-pixel sensors due to reduced costs and superior durability, which are particularly attractive for mid-…
Mid-infrared single-photon 3D imaging
Jianan Fang, Kun Huang, E Wu +2
Active mid-infrared (MIR) imagers capable of retrieving three-dimensional (3D) structure and reflectivity information are highly attractive in a wide range of biomedical and indust…
High-speed mid-infrared single-photon upconversion spectrometer
Tingting Zheng, Kun Huang, Ben Sun +6
Sensitive and fast mid-infrared (MIR) spectroscopy is highly attractive in a variety of applications including astronomical observation, pharmaceutical synthesis, and environmental…
Wide-field mid-infrared hyperspectral imaging beyond video rate
Jianan Fang, Kun Huang, Ruiyang Qin +4
Mid-infrared hyperspectral imaging has become an indispensable tool to spatially resolve chemical information in a wide variety of samples. However, acquiring three-dimensional dat…
Single-photon time-stretch infrared spectroscopy
Ben Sun, Kun Huang, Huijie Ma +8
Sensitive mid-infrared (MIR) spectroscopy is highly demanded in various fields ranging from industrial inspection, biomedical diagnosis to astronomical observation. However, the de…
Highly-sensitive mid-infrared upconversion detection based on external-cavity pump enhancement
Xiaohan Liu, Kun Huang, Wen Zhang +4
Sensitive mid-infrared (MIR) detection is highly demanded in various applications, ranging from remote sensing, infrared surveillance, environmental monitoring to industrial inspec…
Mid-Infrared Single-Photon Compressive Spectroscopy
Ben Sun, Kun Huang, Huijie Ma +7
Sensitive mid-infrared (MIR) spectroscopy plays an indispensable role in various photon-starved conditions. However, the detection sensitivity of conventional MIR spectrometers is…
Mid-infrared edge-enhanced imaging via angle-selective nonlinear filtering
Zhuohang Wei, Kun Huang, Jianan Fang +1
Mid-infrared reconfigurable edge-enhanced imaging is highly demanded in sensing and vision fields. Here, we propose a novel scheme for mid-infrared upconversion imaging with high t…
Widely tunable mid-infrared fiber-feedback optical parametric oscillator
Tingting Yu, Jianan Fang, Kun Huang +1
Synchronously pumped optical parametric oscillators (OPOs) provide uniquely versatile platforms to generate ultrafast mid-infrared pulses within a spectral range beyond the access…
Mid-infrared Fourier ptychographic upconversion imaging
Tingting Zheng, Zhuohang Wei, Kun Huang +5
Frequency upconversion technique offers an appealing approach for sensitive mid-infrared (MIR) imaging at room temperature. However, the spatial resolution of the upconversion imag…
High-resolution mid-infrared single-photon upconversion ranging
Shuhong Jiang, Kun Huang, Tingting Yu +7
Single-photon laser ranging has widespread applications in remote sensing and target recognition. However, highly-sensitive light detection and ranging (LiDAR) has long been restri…