Title :
Mode coupling phenomena in long-period fiber gratings formed with micro bending
Author :
Chiu, Chung-Yi ; Chen, SwFang ; Kiang, Yean-Woei ; Liu, Hua-Kuang ; Yang, C.C. ; Ma, Kung-Jen
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Coupling with HE2μ modes resulted in a coupling coefficient variation period the same as that of micro bending. However, the coupling with HE1μ modes led to a period only one-half the micro bending period.
Keywords :
coupled mode analysis; diffraction gratings; optical fibres; HE2μ modes; coupling coefficient variation; long-period fiber gratings; micro bending period; mode coupling phenomena; Couplings; Fiber gratings; Frequency conversion; Helium; Mechanical engineering; Optical fiber communication; Optical fiber theory; Refractive index; Vibrations;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1274738