Title :
MÜller–Stokes Analysis of Long-Period Gratings Part I: Uniformly Birefringent LPGs
Author :
Eftimov, Tinko A. ; Bock, Wojtek J. ; Chen, Jiahua ; Mikulic, Predrag
Author_Institution :
Fac. of Phys., Plovdiv Univ., Plovdiv, Bulgaria
Abstract :
We present a Muller-Stokes analysis of the polarization behavior of birefringent long-period fiber gratings (LPGs). The possible origins of birefringence are outlined and a Muller matrix for a birefringent LPG is derived. Using the derived matrix, we then derive explicit expressions for the polarization-dependent loss (PDL) and the degree of polarization (DOP) of a polarization-sensitive LPG. The birefringence mechanisms and PDL origins in arc-induced tapered LPGs (TLPGs) in a photonic crystal fiber (PCF) are experimentally investigated.
Keywords :
birefringence; diffraction gratings; matrix algebra; optical fibre losses; optical fibre polarisation; photonic crystals; Muller-Stokes matrix formalism; arc-induced tapered LPG; degree of polarization; explicit expressions; photonic crystal fiber; polarization-dependent-loss; polarization-sensitive LPG; tapered long-period gratings; uniformly birefringent LPG; MÜller–Stokes matrix formalism; optical fibers; photonic crystal fibers (PCFs); polarization-dependent loss (PDL); tapered long-period gratings (TLPG);
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2008.2009169
