scholarly journals Characterization of a novel dual-core elliptical hollow optical fiber with wavelength decreasing differential group delay

2010 ◽  
Vol 18 (19) ◽  
pp. 20344 ◽  
Author(s):  
Luca Schenato ◽  
Minkyu Park ◽  
Luca Palmieri ◽  
Sejin Lee ◽  
Raffaele Sassi ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Group Delay ◽  
Differential Group Delay ◽  
Differential Group ◽  
Dual Core

scholarly journals Spectral characterization of differential group delay in uniform fiber Bragg gratings

2005 ◽  
Vol 13 (25) ◽  
pp. 9954 ◽  
Author(s):  
S. Bette ◽  
C. Caucheteur ◽  
M. Wuilpart ◽  
P. Mégret ◽  
R. Garcia-Olcina ◽  
...  
Keyword(s):  
Group Delay ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Spectral Characterization ◽  
Differential Group Delay ◽  
Differential Group

scholarly journals Characterization of Microring Filters for Differential Group Delay Applications

2017 ◽  
Vol 35 (14) ◽  
pp. 2943-2947
Author(s):  
David Domenech ◽  
Pedro Chamorro-Posada ◽  
Francisco J. Fraile-Pelaez ◽  
Maria Jose Erro ◽  
Santiago Tainta Ausejo ◽  
...  
Keyword(s):  
Group Delay ◽  
Differential Group Delay ◽  
Differential Group

scholarly journals Group-Birefringence-Dispersion Measurements for Polarization-Maintaining Fibers Using a Kerr Phase-Interrogator

2020 ◽  
Vol 10 (24) ◽  
pp. 9031
Author(s):  
Yang Lu
Keyword(s):  
Group Delay ◽  
Laser Wavelength ◽  
Differential Group Delay ◽  
Optical Signals ◽  
Differential Group ◽  
Principal Axes ◽  
Polarization Maintaining Fiber ◽  
Elliptical Core ◽  
Polarization Maintaining ◽  
The Impact

A method which utilizes a Kerr phase-interrogator to measure the group birefringence dispersion (GBD) of a polarization-maintaining fiber (PMF) is systematically studied in this paper. The differential group delay of two sinusoidally modulated optical signals (SMOSs) polarized along the principal axes of the PMF is measured by a Kerr phase-interrogator, which leads to the group birefringence of the PMF. As the laser wavelength of the SMOSs varies, the group birefringence as a function of the laser wavelength is obtained, and the GBD is calculated as the derivative of the group birefringence with respect to the laser wavelength. The proposed method is experimentally demonstrated by characterizations of a Panda PMF with high GBD and an elliptical core PMF with low GBD, and its performance is analyzed. The proposed method eliminates the impact of the laser coherent length and allows for characterizing the GBD of PMFs that are tens of kilometers long.

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