46 citations · 111 across the 21 of their papers we have counts for
21 papers
Intrinsic Spectrum Analysis of Laser Dynamics Based on Fractional Fourier Transform
Ligang Huang, Tianyi Lan, Chaoze Zhang +8
Intrinsic spectrum that results from the coupling of spontaneous emission in a laser cavity, can determine the energy concentration and coherence of lasers, which is crucial for th…
Single-shot measurement of frequency-resolved state of polarization dynamics in ultrafast lasers using dispersed division-of-amplitude
Qiang Wu, Lei Gao, Yulong Cao +5
Precise measurement of multi-parameters of ultrafast lasers is vital both in scientific investigations and technical applications, such as, optical field manipulation, pulse shapin…
Self-adaptive single frequency laser assisted by distributed feedbacks
Fuhui Li, Ligang Huang, Laiyang Dang +7
High-coherence light sources with an ultra-narrow linewidth are of considerable research interests in numerous fields, such as laser interferometer gravitational-wave observatory,…
Extending the dynamic strain sensing rang of phase-OTDR with frequency modulation pulse and frequency interrogation
Jingdong Zhang, Haoting Wu, Jingsheng Huang +4
We propose and experimentally demonstrate a technique to extend the dynamic sensing range of phase sensitive optical time domain reflectometry system based on the frequency interro…
High coherent frequency-entangled photons generated by parametric instability in active fiber ring cavity
Lei Gao, Hongqing Ran, Yulong Cao +6
High coherent frequency-entangled photons at telecom band are critical in quantum information protocols and quantum tele-communication. While photon pairs generated by spontaneous…
Coherent optical modulation of partially mode-locked fiber laser based on coherent population oscillation in reduced oxide graphene
Lei Gao, Yulong Cao, Hongqing Ran +6
Optical control of graphene-based photonic devices and systems has been under extensive explorations, nevertheless, the requirement of high power pump laser due to incoherent modul…
Long range fading free phase-sensitive reflectometry based on multi-frequency NLFM pulse
Jingdong Zhang, Hua Zheng, Tao Zhu +5
A long range phase-sensitive optical time domain reflectometer (phi-OTDR) with a multi-frequency non-linear frequency modulation (NLFM) optical pulse is proposed in this Letter. To…
All-optical wavelength-tunable narrow-linewidth fiber laser
Yujia Li, Tao Zhu, Shihong Huang +3
Parameter regulations of narrow-linewidth fiber lasers in frequency domain has drawn considerable interests for widespread applications in the light quantum computing, precise cohe…
Optical-controlled wavelength-tunable Q-switched mode-locked fiber laser based on graphene-deposited micro-FBG
Yujia Li, Lei Gao, Tao Zhu +2
We report a wavelength-tunable Q-switched mode-locked fiber laser based on a compact optical tuning device, which is fabricated by coating single-layer graphene on the surface of m…
Distributed fiber sparse-wideband vibration sensing by sub-Nyquist additive random sampling
Jingdong Zhang, Hua Zheng, Tao Zhu +6
The round trip time of the light pulse limits the maximum detectable vibration frequency response range of phase-sensitive optical time domain reflectometry (ϕ-OTDR). Unlike the un…
Optical puff mediated laminar-turbulent polarization transition
Lei Gao, Tao Zhu, Stefan Wabnitz +3
Various physical structures exhibit a fundamentally probabilistic nature over diverse scales in space and time, to the point that the demarcation line between quantum and classic l…
Breaking through the bandwidth barrier in distributed fiber vibration sensing by sub-Nyquist randomized sampling
Jingdong Zhang, Tao Zhu, Hua Zheng +3
The round trip time of the light pulse limits the maximum detectable frequency response range of vibration in phase-sensitive optical time domain reflectometry (ϕ-OTDR). We propose…
Modulated Pulses Based High Spatial Resolution Distributed Fiber System for Multi-Parameter Sensing
Jingdong Zhang, Tao Zhu, Huan Zhou +3
We demonstrate a hybrid distributed fiber sensing system for multi-parameter detection. The integration of phase-sensitive optical time domain reflectometry (Φ-OTDR) and Brillouin…
Experimental evidence of optical analogue of electromagnetically induced transparency in graphene
Lei Gao, Tao Zhu, Min Liu +3
We demonstrate the first experimental observation of coherent population oscillation, an optical analogue of electromagnetically induced transparency, in graphene based on phase se…
Watt-level, all-fiber, ultrafast Er/Yb-codoped double-clad fiber laser mode-locked by reduced graphene oxide interacting with a weak evanescent field
Lei Gao, Tao Zhu, Yujia Li
We propose a Watt-level, all-fiber, ultrafast Er/Yb-codoped double-clad fiber laser passively mode-locked by reduced graphene oxide (rGO) interacting with a weak evanescent field o…
Coherence loss of partially mode-locked fiber laser
Lei Gao, Tao Zhu, Stefan Wabnitz +2
Stochastically driven nonlinear processes limit the number of amplified modes in a natural system due to competitive mode interaction, which is accompanied by loss of coherence whe…
Cross-phase modulation instability in mode-locked laser based on reduced graphene oxide
Lei Gaol, Tao Zhu, Min Liu +1
Cross-phase modulation instability (XPMI) is experimentally observed in a fiber ring cavity with net normal dispersion and mode-locked by long fiber taper. The taper is deposited w…
Wavelength Spacing Tunable, Multiwavelength Q-switched Fiber Laser Mode-locked by Graphene Oxide
Lei Gao, Tao Zhu
We demonstrate a wavelength spacing tunable, multiwavelength Q-switched mode-locked fiber laser (QML) based on a fiber taper deposited with graphene oxide. The operation of the las…
Vector rectangular-shape laser based on reduced graphene oxide interacting with long fiber taper
Lei Gao, Tao Zhu, Jing Zeng +2
A vector dual-wavelength rectangular-shape laser (RSL) based on a long fiber taper deposited with reduced graphene oxide is proposed, where the nonlinearity is enhanced due to larg…
Ultra-narrow Linewidth Fiber Laser with Self-injection Feedback Based on Rayleigh Backscattering
Tao Zhu, Shihong Huang, Leilei Shi +3
A single longitudinal mode fiber laser with ultra-narrow linewidth based on self-injection feedback by using the linewidth compress mechanism of Rayleigh backscattering (RBS) are p…
Wavelength Spacing Tunable, Multiwavelength Q-Switched Mode-Locked Laser Based on Graphene-Oxide-Deposited Tapered Fiber
Lei Gao, Tao Zhu, Jing Zeng
A wavelength spacing tunable, multiwavelength Q-switched mode-locked (QML) fiber laser in an erbium-doped fiber cavity based on graphene oxide deposited on tapered fiber is propose…