scholarly journals Complete measurement of spatiotemporally complex multi-spatial-mode ultrashort pulses from multimode optical fibers using delay-scanned wavelength-multiplexed holography

2017 ◽  
Vol 25 (20) ◽  
pp. 24015 ◽  
Author(s):  
Ping Zhu ◽  
Rana Jafari ◽  
Travis Jones ◽  
Rick Trebino
Keyword(s):  
Optical Fibers ◽  
Ultrashort Pulses ◽  
Spatial Mode ◽  
Complete Measurement

scholarly journals Design of Spatial-Mode (De)Multiplexer for Few-Mode Fibers Based on a Cyclically Used Michelson-Like Interferometer

2020 ◽  
Vol 10 (23) ◽  
pp. 8584
Author(s):  
Xesús Prieto-Blanco ◽  
Carlos Montero-Orille ◽  
Vicente Moreno de Las Cuevas ◽  
María C. Nistal ◽  
Dolores Mouriz ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Efficient Method ◽  
Optical Communications ◽  
Data Rate ◽  
Phase Plate ◽  
Spatial Mode ◽  
Optical Elements ◽  
Polarization Insensitive ◽  
Elliptical Core

Few mode optical fibers are a promising way to continue increasing the data rate in optical communications. However, an efficient method to launch and extract separately each mode is essential. The design of a interferometric spatial mode (de)multiplexer for few mode optical fibers is presented. It is based on a single Michelson-like interferometer which consists of standard optical elements and has a reflective image inverter in one arm. Particular care has been taken in its design so that both polarizations behave the same. Moreover, this interferometer can process several pairs of modes simultaneously. The multiplexer also consists of: a phase plate, focusing optics at both ports of the interferometer and elliptical core fibers to recirculate some outputs. It can multiplex ten spatial and polarization modes and it presents low losses and no intrinsic crosstalk between modes. Additionally, it is polarization insensitive, achromatic, compact and inexpensive. The same system can work as a demultiplexer when used in reverse. In this case, both the losses and the crosstalk remain very low. Similar designs that perform other functions, like an add-drop mode multiplexing, are also suggested.

Coherence of supercontinua generated by ultrashort pulses compressed in optical fibers

2008 ◽  
Vol 33 (18) ◽  
pp. 2038 ◽  
Author(s):  
J. W. Nicholson ◽  
A. D. Yablon ◽  
M. F. Yan ◽  
P. Wisk ◽  
R. Bise ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Ultrashort Pulses

scholarly journals Riemann-Hilbert problem associated with the vector Lakshmanan-Porsezian-Daniel model in the birefringent optical fibers

2021 ◽  
Author(s):  
Beibei Hu ◽  
Ji Lin ◽  
Ling Zhang
Keyword(s):  
Optical Fibers ◽  
Hilbert Problem ◽  
Ultrashort Pulses ◽  
Initial Boundary ◽  
Transformation Method ◽  
Initial Boundary Value Problems ◽  
Spectral Functions ◽  
Birefringent Optical Fiber ◽  
Initial Boundary Value ◽  
Riemann Hilbert Problem

In this paper, we investigate vector Lakshmanan-Porsezian-Daniel (VLPD) model which can be used to describe the ultrashort pulses in the birefringent optical fiber. Based on the unified transformation method, the Riemann-Hilbert problem is introduced and initial-boundary value problems of the VLPD model are studied. By solving the formulated matrix Riemann-Hilbert problem, the potential function solutions of the VLPD model can be reconstructed. Moreover, that the spectral functions are not independent but meet the so-called global relation is shown.

scholarly journals Passive, controllable generation of energetic multi-color pulses via spatial mode re-organizations in optical fibers

APL Photonics ◽  
2021 ◽  
Vol 6 (12) ◽  
pp. 126109
Author(s):  
H. B. Kabagöz ◽  
A. Antikainen ◽  
S. Ramachandran
Keyword(s):  
Optical Fibers ◽  
Spatial Mode

scholarly journals Application of the G'/G Expansion Method in Ultrashort Pulses in Nonlinear Optical Fibers

2013 ◽  
Vol 2013 ◽  
pp. 1-5
Author(s):  
Jiang Xing-Fang ◽  
Wang Jun ◽  
Wei Jian-Ping ◽  
Hua Ping
Keyword(s):  
Optical Fibers ◽  
Wavelength Division Multiplexing ◽  
Nonlinear Optical ◽  
Group Velocity Dispersion ◽  
Ultrashort Pulses ◽  
Expansion Method ◽  
Input Power ◽  
Trigonometric Function ◽  
High Order ◽  
Wavelength Division

With the increasing input power in optical fibers, the dispersion problem is becoming a severe restriction on wavelength division multiplexing (WDM). With the aid of solitons, in which the shape and speed can remain constant during propagation, it is expected that the transmission of nonlinear ultrashort pulses in optical fibers can effectively control the dispersion. The propagation of a nonlinear ultrashort laser pulse in an optical fiber, which fits the high-order nonlinear Schrödinger equation (NLSE), has been solved using the G'/G expansion method. Group velocity dispersion, self-phase modulation, the fourth-order dispersion, and the fifth-order nonlinearity of the high-order NLSE were taken into consideration. A series of solutions has been obtained such as the solitary wave solutions of kink, inverse kink, the tangent trigonometric function, and the cotangent trigonometric function. The results have shown that the G'/G expansion method is an effective way to obtain the exact solutions for the high-order NLSE, and it provides a theoretical basis for the transmission of ultrashort pulses in nonlinear optical fibers.

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