Jiapeng Huang
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View article: Endlessly single-mode, broadband polarization-maintaining solid-core photonic crystal fiber
Endlessly single-mode, broadband polarization-maintaining solid-core photonic crystal fiber Open
We present a polarization-maintaining photonic crystal fiber (PM-PCF), featuring a hybrid lattice structure that simultaneously achieves broadband single-mode guidance and enhanced birefringence through coordinated geometric and cross-opti…
View article: Tunable VUV-to-VIS ultrafast pulses generation in hollow capillary fibers with 15.7% dispersive-wave efficiency at 320 nm
Tunable VUV-to-VIS ultrafast pulses generation in hollow capillary fibers with 15.7% dispersive-wave efficiency at 320 nm Open
We report a compact hollow-capillary-fiber (HCF) system that generates tunable dispersive-wave (DW) pulses spanning the vacuum ultraviolet (VUV) to visible (VIS) spectral regions. Through optimization of the HCF and gas parameters, we demo…
View article: Three-stage dynamics of nonlinear pulse amplification in an ultrafast mid-infrared fiber amplifier with anomalous dispersion
Three-stage dynamics of nonlinear pulse amplification in an ultrafast mid-infrared fiber amplifier with anomalous dispersion Open
Nonlinear pulse amplification in optical fiber, with the capability of breaking the gain-bandwidth limitation, is a key technique for high-energy, ultrafast pulse generation. In the longer wavelength region (including 1.55 μm, 2 μm and 2.8…
View article: Flexible delivery of broadband, 100 fs mid-infrared pulses in the water-absorption band using hollow-core photonic crystal fiber
Flexible delivery of broadband, 100 fs mid-infrared pulses in the water-absorption band using hollow-core photonic crystal fiber Open
High-quality free-space and over-fiber transmission of mid-infrared light is limited by factors such as material-related absorption, diffraction, light leakage, and nonlinearity. Conventional vacuum apparatus can be utilized for high-quali…
View article: Experimental studies on the structural dependence of stimulated Raman-like scattering in solid-core photonic crystal fibers
Experimental studies on the structural dependence of stimulated Raman-like scattering in solid-core photonic crystal fibers Open
The tight confinement of both optical and acoustic fields in their µm-sized fiber cores of photonic crystal fibers (PCFs) can lead to enhanced Brillouin light scattering in the forward direction, which is well-known as the stimulated Raman…
View article: Coherent combination of mid-IR laser beams using a Sagnac-type interferometer
Coherent combination of mid-IR laser beams using a Sagnac-type interferometer Open
We report a high-efficiency coherent beam combination (CBC) system operating in the mid-infrared (2.8 µm) spectral region, implemented using two fluoride fiber amplifiers with a configuration of Sagnac-type interferometer. The system exhib…
View article: Flexible delivery of high-power picosecond laser in purely-single optical mode of anti-resonant hollow-core fiber for micromachining
Flexible delivery of high-power picosecond laser in purely-single optical mode of anti-resonant hollow-core fiber for micromachining Open
We present the flexible delivery of picosecond laser pulses with up to 20 W average power over a 3-m-long sample of anti-resonant hollow-core fiber (AR-HCF) for laser micromachining applications. Our experiments highlight the importance of…
View article: Flexible delivery of broadband, 100-fs mid-infrared pulses in the water-absorption band using hollow-core photonic crystal fibre
Flexible delivery of broadband, 100-fs mid-infrared pulses in the water-absorption band using hollow-core photonic crystal fibre Open
High quality free-space and over-fibre transmission of mid-IR light is limited by factors such as material-related absorption, diffraction, light leakage and nonlinearity. Conventional vacuum apparatus can be utilized for high-quality lase…
View article: Three-stage dynamics of nonlinear pulse amplification in ultrafast mid-infrared fiber amplifier with anomalous dispersion
Three-stage dynamics of nonlinear pulse amplification in ultrafast mid-infrared fiber amplifier with anomalous dispersion Open
Nonlinear pulse amplification in optical fiber, with capability of breaking the gain-bandwidth limitation, is a key technique for high-energy, ultrafast pulse generation. In the longer wavelength region (including 1.55 μm, 2 μm and 2.8 μm)…
View article: High-quality delivery of high-power picosecond lasers in single-ring anti-resonant hollow-core fiber for micromachining
High-quality delivery of high-power picosecond lasers in single-ring anti-resonant hollow-core fiber for micromachining Open
We present the flexible delivery of picosecond laser pulses with up to 20 W average power over a 3-m-long sample of anti-resonant hollow-core fiber (AR-HCF) for laser-micromachining applications. Our experiments highlight the importance of…
View article: Tunable ultraviolet dispersive-wave emission driven directly by 40-fs Ti: sapphire laser pulses in hollow capillary fiber
Tunable ultraviolet dispersive-wave emission driven directly by 40-fs Ti: sapphire laser pulses in hollow capillary fiber Open
We demonstrate that by using 1-m-long gas-filled hollow capillary fiber (HCF) with a core diameter of 100 μm, tunable ultraviolet (UV) dispersive-wave (DW) pulses can be generated in a compact, single-stage set-up driven directly by 40-fs …
View article: High power mid-infrared side-pump combiner with good thermal stability based on the point-by-point fusion splicing technique
High power mid-infrared side-pump combiner with good thermal stability based on the point-by-point fusion splicing technique Open
High-power mid-infrared fiber lasers, featuring superior beam quality and good power-scaling ability, have a few important applications in material processing, medical surgery, and molecule spectroscopy. The high-power pump light combiner,…
View article: Ultrahigh Transverse Mode Purity by Enhanced Modal Filtering in Double‐Clad Single‐Ring Hollow‐Core Photonic Crystal Fiber
Ultrahigh Transverse Mode Purity by Enhanced Modal Filtering in Double‐Clad Single‐Ring Hollow‐Core Photonic Crystal Fiber Open
Maintaining high fundamental mode purity in low‐loss single‐ring hollow‐core photonic crystal fiber remains a key challenge. Here a double‐clad anti‐resonant‐reflecting design is reported that, through modal filtering, provides high suppre…
View article: Enhancement of blue and ultraviolet components in PCF-based supercontinuum generation through inter-modal dispersive wave radiation
Enhancement of blue and ultraviolet components in PCF-based supercontinuum generation through inter-modal dispersive wave radiation Open
Broadband supercontinuum (SC) light sources, generated through nonlinear effects in solid-core photonic crystal fibers (PCFs), have been widely used in spectroscopy, metrology and microscopy, leading to great application successes. The sho…
View article: Enhancement of blue and ultraviolet components in PCF-based supercontinuum generation through inter-modal dispersive wave radiation
Enhancement of blue and ultraviolet components in PCF-based supercontinuum generation through inter-modal dispersive wave radiation Open
Broadband supercontinuum (SC) light sources, generated through nonlinear effects in solid-core photonic crystal fibers (PCFs), have been widely used in spectroscopy, metrology and microscopy, leading to great application successes. The sho…
View article: Broadband mid-infrared supercontinuum generation in dispersion-engineered As<sub>2</sub>S<sub>3</sub>-silica nanospike waveguides pumped by 2.8 μm femtosecond laser
Broadband mid-infrared supercontinuum generation in dispersion-engineered As<sub>2</sub>S<sub>3</sub>-silica nanospike waveguides pumped by 2.8 μm femtosecond laser Open
Broadband mid-infrared (IR) supercontinuum laser sources are essential for spectroscopy in the molecular fingerprint region. Here, we report generation of octave-spanning and coherent mid-IR supercontinua in -silica nanospike hybr…
View article: Collective synthesis and dissociation of soliton molecules in parallel optical-soliton reactors
Collective synthesis and dissociation of soliton molecules in parallel optical-soliton reactors Open
Mode-locked lasers have been widely used to explore interactions between optical solitons, including bound-soliton states that may be regarded as "photonic molecules". Conventional mode-locked lasers normally however host at most only a fe…
View article: Massively parallel optical-soliton reactors
Massively parallel optical-soliton reactors Open
Mode-locked lasers have been widely used to explore interactions between optical solitons, including bound-soliton states that may be regarded as "photonic molecules". Conventional mode-locked lasers can however host at most only a few sol…
View article: Sub-two-cycle octave-spanning mid-infrared fiber laser
Sub-two-cycle octave-spanning mid-infrared fiber laser Open
Compact and powerful ultrafast light sources at high pulse repetition rates, based on mode-locked near infrared fiber lasers, are now widely available and are being used in applications such as frequency metrology, molecular spectroscopy, …
View article: Supplementary document for Sub-two-cycle octave-spanning mid-infrared fiber laser - 4416854.pdf
Supplementary document for Sub-two-cycle octave-spanning mid-infrared fiber laser - 4416854.pdf Open
Supplemental document
View article: Optically Addressable Array of Optomechanically Compliant Glass Nanospikes on the Endface of a Soft-Glass Photonic Crystal Fiber
Optically Addressable Array of Optomechanically Compliant Glass Nanospikes on the Endface of a Soft-Glass Photonic Crystal Fiber Open
Arrays of elongated nanoscale structures with suitable optical and mechanical properties can act as probes of numerous physical processes at the nanoscale, with applications in, for example, high-resolution optical imaging and atomic force…
View article: Route from single-pulse to multi-pulse states in a mid-infrared soliton fiber laser
Route from single-pulse to multi-pulse states in a mid-infrared soliton fiber laser Open
State-of-the-art ultrafast mid-IR fiber lasers deliver optical solitons with durations of several hundred femtoseconds. The Er- or Ho-doped fluoride gain fibers generally used in these lasers have strong anomalous dispersion at ∼3 µm, whic…
View article: Non-covalent bonds between optical solitons in an optoacoustically mode-locked fiber laser: Analysis & modelling
Non-covalent bonds between optical solitons in an optoacoustically mode-locked fiber laser: Analysis & modelling Open
Binding of particles through weak (non-covalent) interactions plays a central role in multiple modern disciplines, from Cooper pairing of electrons in superconductivity to formation of supramolecules in biochemistry. Optical solitons, whic…