Effect of annealing on creation of second-order nonlinearity in twin-hole optical fibre of pure silica

2007 ◽  
Vol 43 (17) ◽  
pp. 913
Author(s):  
H. An ◽  
S. Fleming
Keyword(s):  
Optical Fibre ◽  
Second Order ◽  
Pure Silica ◽  
Second Order Nonlinearity

Nonlinear Analysis of Visual Evoked Potentials Elicited by Color Stimulation

1997 ◽  
Vol 36 (04/05) ◽  
pp. 315-318 ◽  
Author(s):  
K. Momose ◽  
K. Komiya ◽  
A. Uchiyama
Keyword(s):  
Visual System ◽  
Evoked Potentials ◽  
Visual Evoked Potentials ◽  
Normal Subjects ◽  
Second Order ◽  
First Order ◽  
The Relationship ◽  
Perceived Color ◽  
Second Order Nonlinearity ◽  
Visual Evoked

Abstract:The relationship between chromatically modulated stimuli and visual evoked potentials (VEPs) was considered. VEPs of normal subjects elicited by chromatically modulated stimuli were measured under several color adaptations, and their binary kernels were estimated. Up to the second-order, binary kernels obtained from VEPs were so characteristic that the VEP-chromatic modulation system showed second-order nonlinearity. First-order binary kernels depended on the color of the stimulus and adaptation, whereas second-order kernels showed almost no difference. This result indicates that the waveforms of first-order binary kernels reflect perceived color (hue). This supports the suggestion that kernels of VEPs include color responses, and could be used as a probe with which to examine the color visual system.

scholarly journals Optical second-order nonlinearity of poled borosilicate glass containing CuCl

2000 ◽  
Vol 88 (5) ◽  
pp. 2200-2204 ◽  
Author(s):  
Jun Sasai ◽  
Katsuhisa Tanaka ◽  
Kazuyuki Hirao
Keyword(s):  
Borosilicate Glass ◽  
Second Order ◽  
Second Order Nonlinearity

WAVELENGTH CONVERSION OF AN INFRARED SIGNAL THROUGH CASCADED SECOND-ORDER NONLINEARITY IN A LITHIUM-NIOBATE CHANNEL WAVEGUIDE

2000 ◽  
Vol 09 (01) ◽  
pp. 11-20 ◽  
Author(s):  
I. CRISTIANI ◽  
M. RINI ◽  
A. RAMPULLA ◽  
G. P. BANFI ◽  
V. DEGIORGIO
Keyword(s):  
Lithium Niobate ◽  
Pulse Energy ◽  
Wavelength Conversion ◽  
Second Order ◽  
Channel Waveguide ◽  
Phase Matching ◽  
Order Process ◽  
Pump Pulse Energy ◽  
Second Order Nonlinearity ◽  
Second Order Process

We describe a wavelength conversion experiment (generation of a pulse at the wavelength λp - Δλ from a signal at λp+Δλ under the action of a pump at λp) performed through cascaded second-order process in a lithium niobate channel waveguide. With a 58-mm-long Ti diffused channel waveguide, λp=1.1 μ m (the wavelength of phase matching for the first step of sh generation), Δλ of several nanometers and 20 ps pulse duration, wavelength conversion with unit efficiency is obtained with a pump pulse energy of the order of 102 pJ. The experimental results are successfully interpreted by making use of modal analysis and solving the appropriate nonlinear equations.

1.5-μm-band wavelength conversion based on cascaded second-order nonlinearity in LiNbO3waveguides

1999 ◽  
Vol 11 (6) ◽  
pp. 653-655 ◽  
Author(s):  
M.H. Chou ◽  
I. Brener ◽  
M.M. Fejer ◽  
E.E. Chaban ◽  
S.B. Christman
Keyword(s):  
Wavelength Conversion ◽  
Second Order ◽  
Second Order Nonlinearity

scholarly journals Fabrication and characterization of periodically patterned silica fiber structures for enhanced second-order nonlinearity: publisher’s note

2017 ◽  
Vol 25 (9) ◽  
pp. 10473
Author(s):  
Chalongrat Daengngam ◽  
Ishac Kandas ◽  
Islam Ashry ◽  
Jeong-Ah Lee ◽  
Anbo Wang ◽  
...  
Keyword(s):  
Second Order ◽  
Silica Fiber ◽  
Fabrication And Characterization ◽  
Second Order Nonlinearity
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