Title :
Optical Mode Interleaver Based on the Asymmetric Multimode Y Junction
Author :
Weiwei Chen ; Pengjun Wang ; Jianyi Yang
Author_Institution :
Coll. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China
Abstract :
An optical mode interleaver (OMIL) based on the asymmetric multimode Y junction is proposed for realizing flexible selection of group of modes in mode-division multiplexing optical network. The odd and even modes of the stem can be sorted by carefully controlling the widths of the narrow and wide arms according to the constraint conditions of the propagation constants. A four-mode OMIL is analyzed as an example using the beam propagation method. The device is able to realize a low excess loss of <;0.13 dB, a high mode extinction ratio that exceeded 28.4 dB, and a mode crosstalk lower than -25.5 dB over a common spectral bandwidth of 210 nm.
Keywords :
extinction coefficients; laser beams; optical communication equipment; optical crosstalk; optical losses; asymmetric multimode Y Junction; beam propagation method; even modes; extinction ratio; four-mode OMIL; mode crosstalk; mode-division multiplexing optical network; odd modes; optical loss; optical mode interleaver; propagation constants; Junctions; Multiplexing; Optical crosstalk; Optical fiber networks; Optical fibers; Optical polarization; Optical mode interleaver; asymmetric Y- junction; mode-division multiplexing; optical interconnection network;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2014.2346082
