Low threshold and tunable all-optical switch using two-photon absorption in array of nonlinear ring resonators coupled to MZI

2006 ◽  
Vol 37 (9) ◽  
pp. 976-981 ◽  
Author(s):  
A. Rostami
Keyword(s):  
Optical Switch ◽  
Photon Absorption ◽  
Ring Resonators ◽  
Two Photon Absorption ◽  
Two Photon ◽  
All Optical ◽  
Low Threshold ◽  
All Optical Switch

NONLINEAR OPTICAL EFFECTS IN PHOTONIC-CRYSTAL SLAB LINE-DEFECT WAVEGUIDE FOR ULTRAFAST ALL-OPTICAL SWITCH

2011 ◽  
Vol 20 (01) ◽  
pp. 43-48 ◽  
Author(s):  
HISAYA ODA ◽  
AKIO YAMANAKA ◽  
NAOKI IKEDA ◽  
YOSHIMASA SUGIMOTO ◽  
KIYOSHI ASAKAWA
Keyword(s):  
Photonic Crystal ◽  
Optical Switch ◽  
Photon Absorption ◽  
Line Defect ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Photonic Crystal Slab ◽  
Optical Effects ◽  
All Optical ◽  
All Optical Switch

In order to develop an ultra fast all-optical switch, we have studied optical Kerr effect and two photon absorption in photonic crystal line defect waveguides. Based on these results, we have succeeded in all-optical Mach-Zehnder interferometer switching.

Ultra-sensitive all-optical sampling at 1.5 [micro sign]m using waveguide two-photon absorption

1999 ◽  
Vol 35 (17) ◽  
pp. 1483 ◽  
Author(s):  
B.C. Thomsen ◽  
L.P. Barry ◽  
J.M. Dudley ◽  
J.D. Harvey
Keyword(s):  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Optical Sampling ◽  
All Optical

scholarly journals Ultrafast sub–30-fs all-optical switching based on gallium phosphide

2019 ◽  
Vol 5 (6) ◽  
pp. eaaw3262 ◽  
Author(s):  
Gustavo Grinblat ◽  
Michael P. Nielsen ◽  
Paul Dichtl ◽  
Yi Li ◽  
Rupert F. Oulton ◽  
...  
Keyword(s):  
Gallium Phosphide ◽  
Optical Switching ◽  
Near Infrared ◽  
Optical Nonlinearity ◽  
Photon Absorption ◽  
Linear Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
All Optical ◽  
All Optical Switching

Gallium phosphide (GaP) is one of the few available materials with strong optical nonlinearity and negligible losses in the visible (λ > 450 nm) and near-infrared regime. In this work, we demonstrate that a GaP film can generate sub–30-fs (full width at half maximum) transmission modulation of up to ~70% in the 600- to 1000-nm wavelength range. Nonlinear simulations using parameters measured by theZ-scan approach indicate that the transmission modulation arises from the optical Kerr effect and two-photon absorption. Because of the absence of linear absorption, no slower free-carrier contribution is detected. These findings place GaP as a promising ultrafast material for all-optical switching at modulation speeds of up to 20 THz.

All-Optical Poling and Two-Photon Absorption in Heterocyclic Azo Dyes with Different Side Groups

2018 ◽  
Vol 123 (1) ◽  
pp. 725-734 ◽  
Author(s):  
Beata Derkowska-Zielinska ◽  
Katarzyna Matczyszyn ◽  
Marta Dudek ◽  
Marek Samoc ◽  
Robert Czaplicki ◽  
...  
Keyword(s):  
Azo Dyes ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
All Optical
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