Title :
Compact Y-branch power splitter based on simplified coherent coupling
Author :
Hsu, Chih-Wei ; Chen, Hsuen-Li ; Wang, Way-Seen
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Based on a simplified coherent coupling effect, a compact Y-branch power divider with polymer waveguides is presented. The simulated and measured normalized transmitted powers are 0.88 and 0.75 when the effective branching angle is as large as 19.7/spl deg/. For the same transmission efficiency, both theoretical and experimental results show that the length required for the proposed Y-branch is shorter than those for the conventional S-bend configurations. Furthermore, the transmission spectrum shows that the proposed Y-branch is suitable for a dense wavelength-division-multiplexing application.
Keywords :
integrated optics; light coherence; optical communication equipment; optical polymers; optical waveguides; wavelength division multiplexing; S-bend configurations; Y-branch; coherent coupling; compact Y-branch power divider; compact Y-branch power splitter; dense wavelength-division-multiplexing application; normalized transmitted powers; polymer waveguides; transmission efficiency; transmission spectrum; Couplings; Dielectric substrates; Optical device fabrication; Optical losses; Optical polymers; Optical waveguides; Polymer films; Power dividers; Semiconductor materials; Silicon;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.815326
