Title :
Design and Analysis of an Ultra-Compact and Ultra-Wideband Polarization Beam Splitter Based on Coupled Plasmonic Waveguide Arrays
Author :
Tai, Chao-Yi ; Chang, Sheng Hsiung ; Chiu, Tsenchieh
Author_Institution :
Nat. Central Univ., Taoyuan
Abstract :
We present the design of an ultra-compact polarization beam splitter where three symmetrical dielectric channel waveguides are hybrid integrated with Au plasmonic waveguide arrays. Ultra-wideband operation over 50 THz with the insertion loss less than 2 dB for both transverse electric and transverse magnetic mode are predicted. The extinction ratio is better than 15 dB for both polarizations and it is realizable on a chip size as small as 0.93times4.2 mum2.
Keywords :
gold; integrated optics; light polarisation; optical beam splitters; optical design techniques; optical polarisers; optical waveguides; Au - Element; Au plasmonic waveguide arrays; coupled plasmonic waveguide arrays; dielectric channel waveguides; transverse electric mode; transverse magnetic mode; ultra-compact polarization beam splitter; ultra-wideband polarization beam splitter; Insertion loss; Optical coupling; Optical losses; Optical polarization; Optical refraction; Optical waveguides; Passive optical networks; Plasmons; Tellurium; Ultra wideband technology; Integrated optics; plasmons; polarizing beam splitters (PBSs);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2007.903573
