搜索结果: 1-15 共查到“Multimode”相关记录41条 . 查询时间(0.078 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...
Equalization of modal dispersion in multimode fiber using spatial light modulators
Intersymbol interference the modal dispersion multimode optical fiber communication system
2015/8/11
Intersymbol interference (ISI) due to modal dispersion is the dominant limitation to the bit rate-distance product in multimode fiber-optic communication systems. If the light launched into the fiber ...
Compensation of multimode fiber dispersion using adaptive optics via convex optimization
Interference between the optimal technology multimode fiber optimize the adaptive optics system spatial light modulator impulse response
2015/8/10
We propose a provably optimal technique for minimizing inter-symbol interference (ISI) in multimode fiber (MMF) systems using adaptive optics via convex optimization. We use a spatial light modulator ...
Equalization of Modal Dispersion in Multimode Fiber Using Spatial Light Modulators
Equalization Modal Dispersion Multimode Fiber Spatial Light Modulators
2015/7/10
Intersymbol interference (ISI) due to modal dispersion is the dominant limitation to the bit rate-distance product in multimode fiber-optic communication systems. If the light launched into the fiber ...
Compensation of Multimode Fiber Dispersion using Adaptive Optics via Convex Optimization
Adaptive optics optical fi ber dispersion spatial light modulators (SLMs)
2015/7/9
We propose a provably optimal technique for minimizing inter-symbol interference (ISI) in multimode fiber (MMF) systems using adaptive optics via convex optimization. We use a spatial light modulator ...
Exact Model for Mode-Dependent Gains and Losses in Multimode Fiber
Multimode fiber mode-division multiplexing random matrices Optics
2012/4/19
In the strong mode coupling regime, the model for mode-dependent gains and losses (collectively referred as MDL) of a multimode fiber is extended to the region with large MDL. The MDL is found to have...
Improving Energy Efficiency Through Multimode Transmission in the Downlink MIMO Systems
downlink MIMO systems singular value decomposition (SVD) block diagonalization (BD) imperfect CSIT
2011/9/5
Abstract: Adaptively adjusting system parameters including bandwidth, transmit power and mode to maximize the "Bits per-Joule" energy efficiency (BPJ-EE) in the downlink MIMO systems with imperfect ch...
Symmetrical 2-D Hermite-Gaussian Square Launch for High Bit Rate Transmission in Multimode Fiber Links
Fiber optics communication Fiber properties
2015/5/26
A 2-D Hermite-Gaussian square launch is demonstrated to show improved systems capacity over multimode fiber links. It shows a bandwidth improvement over both center and offset launches and exhibits ±5...
20-Gb/s Power-Efficient CMOS-Driven Multimode Links
Fiber optics links subsystems Fiber optics sources detectors Optical interconnects
2015/5/25
We report several firsts for CMOS-driven, VCSEL-based, multimode transmitters and receivers: serial links up to 20 Gb/s; unprecedented full-link power efficiencies from 8 pJ/bit (15 Gb/s) to 17 pJ/bit...
An Optimal Tone Reservation Method for IM/DD Optical OFDM Transmission in Multimode Fiber
Optimal Tone Reservation Method IM/DD Optical OFDM Transmission Multimode Fiber
2015/5/20
We propose an optimal, yet efficient tone reservation method which enables distortion-free IM/DD optical OFDM transmission with no additional bias. Compared to previous approaches, both spectral and p...
Bandwidth Measurement of Multimode Fibers through System Level Bit Error Rate Testing
Bandwidth Measurement Multimode Fibers Bit Error Rate Testing
2015/5/18
A new bandwidth measurement method for multimode fibers is developed through measuring bit error rate and power penalty associated with the testing system. Experimental calibration procedure and actua...
Optical Home Network based on an NxN Multimode Fiber Architecture and CWDM Technology
Optical Home Network NxN Multimode Fiber Architecture CWDM Technology
2015/5/18
With this optical home network solution associating an NxN multimode architecture and CWDM technology, various applications and network topologies are supported by a unique multiformat infrastructure....
New designs of bend-insensitive multimode fibers are proposed. The bending loss can be reduced by a factor of 10 while meeting all other standard requirements. The design concept is validated by actua...
A proposal for 1×8 all-optical switch using multimode interference
all-optical switch multimode interference crosstalk insertion loss
2011/5/5
We propose an eight-channel all-optical switch using a multimode interference phenomenon. This
structure is based on the cooperation of self imaging and self guiding in nonlinear multimode
interfere...
We experimentally demonstrate the storage of 1060 temporal modes onto a thulium-doped crystal using an atomic frequency comb (AFC). The comb covers 0.93 GHz defining the storage bandwidth. As compared...