A5075349589- Advanced Fiber Laser Technologies
- Quantum optics and atomic interactions
- Nonlinear Photonic Systems
- Photonic Crystal and Fiber Optics
- Laser-Matter Interactions and Applications
- Photonic and Optical Devices
- Nonlinear Waves and Solitons
- Quantum Information and Cryptography
- Mechanical and Optical Resonators
- Advanced Fiber Optic Sensors
Chongqing University
2019-2022
Dissipative solitons emerge as stable pulse solutions of nonintegrable and nonconservative nonlinear physical systems, owing to a balance nonlinearity, dispersion, loss/gain.A considerable research effort has been dedicated characterizing amplitude phase evolutions in the spatiotemporal dynamics dissipative emerging from fiber lasers.Yet, picture buildup process lasers is incomplete absence corresponding information about polarization evolution.Here, we characterize probabilistic...
Optical rogue waves emerge in nonlinear optical systems with extremely large amplitudes, and leave without a trace. In this work, we reveal the emergence of polarization supercontinuum generation from zero-dispersion fiber, pumped by dissipative soliton laser. Flat spectral broadening is achieved modulation instability, followed cascaded four-wave-mixing. process, identify waves, based on probability density function relative distance among states. Experimental results show that originate...
The optical modulation of graphene circumvents the "electrical bottleneck" in electrical field tuning Fermi level and motivates diverse graphene-based controllable photonic devices with extraordinary performances. Unfortunately, pervious schemes are incoherent, Fermi-Dirac distribution formed from a strong pump laser prevents absorption weak probe due to Pauli blocking, making inconvenient low efficiency. Here we demonstrate coherent based on population oscillation, where ground state...
We demonstrate novel polarization-dependent pulse dynamics in a fiber laser cavity mode-locked by single-wall carbon nanotubes. By managing the net dispersion and polarization state, we obtain two noise-like pulsing procedures with distinctive characteristics. Ultrafast measurements reveal double pulses are produced combined effects of double-scroll chaotic attractors mode single-mode fiber. The corresponding single-shot spectra provide evidence coherent energy coupling between during...
Dissipative solitons are localized solutions in non-integrable and non-conservative nonlinear system, due to a balance of nonlinearity, dispersion, filtering, loss/gain. Different from conventional soliton, they exhibit extremely complex striking dynamics, more universal the far-from-equilibrium natural system. Taking advantage dispersive Fourier transform time lens, spatio-temporal transient dynamics dissipative have been characterized with both amplitude phase. Yet, full avenue buildup...
Optical control of graphene-based photonic devices and systems has been under extensive explorations, nevertheless, the requirement high power pump laser due to incoherent modulation makes those schemes low efficient. Here, we demonstrate coherent manipulation operating states partially mode-locked fiber based on population oscillation in reduced graphene oxide for first time. We couple a much weaker continuous wave into resonator with parametric instability state, observe significant...
High coherent frequency-entangled photons at telecom band are critical in quantum information protocols and tele-communication. While photon pairs generated by spontaneous parametric down-conversion nonlinear crystal or modulation instability optical fiber exhibit random fluctuations, making the distinguishable among consecutive roundtrips. Here, we demonstrate a based on an active ring cavity, where periodic of dispersion excites resonance. The characteristic wave number is selected...
Highly coherent frequency-entangled photons at telecom band are critical in quantum technologies. While photon pairs generated by modulation instability optical fiber exhibit random fluctuations. Here, we demonstrate highly stable based on parametric an active ring cavity, where periodic of dispersion excites resonance, and the characteristic wave number is selected resonator. Background-free autocorrelation single-shot spectra reveals that sidebands possess high coherence. The properties...
Abstract Highly coherent frequency-entangled photons at telecom band are critical in quantum information protocols and tele-communication. Photon pairs generated by spontaneous parametric down-conversion nonlinear crystals or modulation instability optical fibers exhibit random fluctuations. Here, we demonstrate highly stable based on an active fiber ring cavity, where periodic of dispersion excites resonance, the characteristic wave number is selected resonator. Background-free...