搜索结果: 1-15 共查到“光电子技术 scattering”相关记录17条 . 查询时间(0.144 秒)
光电信息大讲堂第210期：From discovery of random Raman lasing via natural Rayleigh scattering in ultra-long fibers to unique lasing and sensing features of multimode and multicore fibers with fs-inscribed regular and random 3D refractive-index structures
拉曼光纤激光器 输出光束 折射率光纤
2023/4/17
在二极管泵浦的拉曼光纤激光器的多模渐变折射率光纤中，通过飞秒脉冲刻写FBG，可产生接近衍射极限的输出光束。这一技术已经应用于工业（通信、生物医学、材料加工、基础设施和能源行业）中的各种激光和传感器系统。从超长光纤自然瑞利散射引起的随机拉曼激光的发现出发，主讲人将介绍使用fs脉冲刻写具有规则/随机的3D折射率结构的多模、多芯光纤的技术，以及新型光纤所具有的独特激光和传感性能，这种新型光纤有望在物理上...
Distributed Temperature Sensing Using Stimulated-Brillouin-Scattering-Based Slow Light
Distributed temperature sensing stimulated Brillouin scattering slow light
2016/12/2
Distributed temperature sensing has been achieved by spatially resolved measurement of the probe time delay resulted from stimulated-Brillouin-scattering slow light. The temperature of a particular fi...
Analytic Properties of Two-Photon Scattering Matrix in Integrated Quantum Systems Determined by the Cluster Decomposition Principle
Two-Photon Scattering Matrix Integrated Quantum Systems Determined
2015/8/7
Analytic Properties of Two-Photon Scattering Matrix in Integrated Quantum Systems Determined by the Cluster Decomposition Principle.
Photonic chip based tunable and reconfigurable narrowband microwave photonic filter using stimulated Brillouin scattering
Stimulated scattering modulation Nonlinear optics integrated optics Radio frequency photonics
2015/8/7
We report the first demonstration of a photonic chip based dynamically reconfigurable, widely tunable, narrow pass-band, high Q microwave photonic filter (MPF). We exploit stimulated Brillouin scatter...
Design for broadband on-chip isolator using stimulated Brillouin scattering in dispersion-engineered chalcogenide waveguides
Nonlinear optics Stimulated scattering modulation Nonlinear optics devices
2015/8/7
We propose a scheme for on-chip isolation in chalcogenide(As2S3) rib waveguides, in which Stimulated Brillouin Scattering is used to induce non-reciprocal mode conversion within a multi-moded waveguid...
Signal Chirp Design for Suppression of Nonlinear Polarization Scattering in DP-QPSK Transmission
Signal Chirp Design Suppression Nonlinear Polarization Scattering DP-QPSK Transmission
2015/5/21
We analyze chirp techniques for suppression of nonlinear effects in DP-QPSK transmission. Simulations reveal that a significant reduction in nonlinear polarization scattering can be achieved by proper...
Cooperative Light Scattering Effects in Optical Fibers, Lasers, and Amplifiers
Nonlinear optics fibers Lasers fibers
2015/5/20
We overview Rayleigh, Brillouin and Raman scattering in optical fibers, fiber amplifiers and lasers focusing on their mutual cooperation dynamics and explaining associated effects such as multi-cascad...
Bragg-Scattering frequency conversion in nonlinear fiber with frequency shifted feedback pumps
Bragg-Scattering requency conversion frequency shifted feedback pumps
2015/5/14
We experimentally study Bragg-type frequency conversion in nonlinear fiber. We use two pumps obtained by amplifying two continuous-wave frequency-shifted feedback lasers. Our experimental results comp...
Simultaneous Monitoring of In-Band Optical Noise for WDM Signals using Stimulated Brillouin Scattering
Scattering stimulated Nonlinear optics fibers
2015/6/9
We demonstrate simultaneous monitoring of the optical signal to noise ratio (OSNR) for wavelength-division multiplexed 40 Gb/s signals using the back-reflected Stokes wave from Stimulated Brillouin Sc...
Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding
Fiber optics sensors Scattering Brillouin Scattering Raman
2015/6/8
Pulse coding techniques are proposed in combination with the use of Fabry-Perot lasers for simultaneous strain and temperature sensing based on hybrid spontaneous Raman-Brillouin scattering.Combinatio...
Bit-Rate Tunable Clock Recovery of NRZ-DPSK Signal Based on Delay-Asymmetric Nonlinear Loop Mirror and Stimulated Brillouin Scattering Loop
Nonlinear optical signal processing Scattering stimulated Brillouin Nonlinear optics four-wave mixing
2015/6/8
We demonstrate bit-rate tunable clock recovery of NRZ-DPSK signal. The signal is converted to RZ-OOK by demodulation and by phase erasure. Recovered clock signals from 4 to 13 GHz are obtained through...
Ge-doped Laser Fiber with Suppressed Stimulated Brillouin Scattering
Fiber design fabrication Fiber properties
2015/6/5
Ge-doped laser fibers with suppressed SBS are proposed. By taking advantage of the difference between optical and acoustic properties, higher SBS thresholds of 3-5 dB are shown numerically while maint...
Laser Pulse Compression and Amplification by Stimulated Backward Raman Scattering of Ba(NO3)2 and CaCO3 Crystals
Laser pulse compression Stimulated backward Raman scattering Short pulse laser
2009/6/15
Pulse compressor and amplifier using stimulated backward Raman scattering (SRS) of barium nitrate and calcite crystals are studied experimentally. 15 times of compression and more than 50 % SRS reflec...
Spatial Distribution of Polarized Gamma Ray Generated Through Laser Compton Scattering on New SUBARU Storage Ring
Laser Compton scattering Gamma ray Storage ring
2009/6/8
Laser Compton Scattering gamma ray has been produced via a Nd:YAG laser head-on colliding the high energy electron beam of NewSUBARU storage ring by maximum energy of 17.6 MeV and flux of 1.75 × 104 c...
Analysis of Double Rayleigh Scattering Noise in Higher-order Pumped Distributed Raman Amplifiers
Double Rayleigh Scattering Noise Higher-order Pumped Distributed Raman Amplifiers
2015/8/4
A theoretical analysis of double Rayleigh scattering (DRS) noise in higher-order Raman pumping schemes is presented. Simulations confirm an unexpected DRS noise decrease for pumping schemes above 3 rd...