Supercontinuum generation in visible to mid-infrared region in square-lattice photonic crystal fiber made from highly nonlinear glasses

2009 ◽  
Vol 282 (17) ◽  
pp. 3448-3455 ◽  
Author(s):  
Sourabh Roy ◽  
Partha Roy Chaudhuri
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Infrared Region ◽  
Supercontinuum Generation ◽  
Square Lattice ◽  
Mid Infrared ◽  
Crystal Fiber ◽  
Highly Nonlinear

scholarly journals Study and Analysis of Photonic Crystal Fiber for Broadband Laser Source Design

2021 ◽  
Vol 20 (4) ◽  
pp. 142-150
Author(s):  
Mohammed Faisal ◽  
SK.M. Jahangir Kabir
Keyword(s):  
Photonic Crystal ◽  
Fiber Optics ◽  
Photonic Crystal Fiber ◽  
Infrared Region ◽  
Supercontinuum Generation ◽  
Laser Source ◽  
Mid Infrared ◽  
Nonlinear Properties ◽  
Crystal Fiber ◽  
Broadband Laser

Photonic Crystal Fiber (PCF) has been a topic of extensive research in the field of nonlinear fiber optics. It is due to its combination of linear and nonlinear properties which ultimately results in the phenomenon having various types of applications. One of the phenomena is supercontinuum generation that has been extensively studied numerically and experimentally over the last few decades as it has important applications in the field of medical imaging and sensing. In this paper, we numerically analysed and studied PCF of hexagonal core with various parameters and propose our novel ‘Star in Hexagon’ design as a good candidate for the broadband supercontinuum generation and hence a broadband laser source. We numerically pumped a long 10 mm PCF of this kind at 3.1 um wavelength with a pulse having a power of 4000 W and a temporal width of 50 fs. A broadband supercontinuum ranging from 1.7 um to 18 um was obtained. The generated spectrum is quite well in the mid-infrared region. Hence it can be utilised for Mid – Infrared (MIR) applications.

Mid-infrared supercontinuum generation in dispersion-engineered highly nonlinear chalcogenide photonic crystal fiber

2019 ◽  
Vol 33 (19) ◽  
pp. 1950211 ◽  
Author(s):  
Jingling Li ◽  
Feng Zhao ◽  
Zhanqiang Hui
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Low Cost ◽  
Nonlinear Coefficient ◽  
Spectral Width ◽  
Infrared Region ◽  
Cross Sectional ◽  
Mid Infrared ◽  
Crystal Fiber ◽  
Highly Nonlinear

An [Formula: see text]-based chalcogenide highly nonlinear photonic crystal fiber (PCF) with concentric rings consisting of air-holes is proposed to achieve extraordinary flat and small chromatic dispersion in mid-infrared region. This is obtained by design and optimization of the PCF cross-sectional structure. The dispersion variation between ±[Formula: see text]5 ps/(nm[Formula: see text]km) is obtained over 800 nm bandwidth. Both the effective mode area and nonlinear coefficient of the proposed PCF within the whole wavelength range from [Formula: see text] to [Formula: see text] are investigated. Furthermore, the output supercontinuum (SC) optical spectra for different pump wavelengths located at the normal and abnormal dispersion region are investigated, respectively. The results show that the broadest SC with −20 dB spectral width of 1034 nm covering from [Formula: see text] to [Formula: see text] is obtained for the pump wavelength of [Formula: see text] with 100 fs secant hyperbolic pulse of the peak power of 10 kW. Our PCF design offers a low-cost SC source, which can find potential application in mid-infrared photonics.

Tailoring supercontinuum generation using highly nonlinear photonic crystal fiber

2012 ◽  
Vol 44 (6) ◽  
pp. 1889-1896 ◽  
Author(s):  
M.A. Hossain ◽  
Y. Namihira ◽  
M.A. Islam ◽  
S.M.A. Razzak ◽  
Y. Hirako ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Supercontinuum Generation ◽  
Crystal Fiber ◽  
Nonlinear Photonic Crystal ◽  
Highly Nonlinear
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