Title :
Multimode interference-based two-stage 1 /spl times/ 2 light splitter for compact photonic integrated circuits
Author :
Masanovic, Milan L. ; Skogen, Erik J. ; Barton, Jonathon S. ; Sullivan, Joseph M. ; Blumenthal, Daniel J. ; Coldren, Larry A.
Author_Institution :
Electr. & Comput. Eng. & Mater. Depts., Univ. of California, Santa Barbara, CA, USA
fDate :
5/1/2003 12:00:00 AM
Abstract :
A novel two-stage multimode interference 1 /spl times/ 2 light splitter is proposed and fabricated in indium phosphide. The new splitter design is shorter by as much as 50% than a standard multimode-interference light splitter with the same output waveguide spacing. It has low inherent loss of 0.29 dB, low excess loss of 1.5 dB over 80-nm range, and imbalance of less than 0.25 dB over 100 nm.
Keywords :
III-V semiconductors; indium compounds; integrated optics; optical beam splitters; optical losses; optical waveguide components; quantum well devices; 0.29 dB; 1.5 dB; InGaAsP-InP; InP; InP two-stage multimode interference 1/spl times/2 light splitter; compact photonic integrated circuits; imbalance; low excess loss; low inherent loss; multimode waveguides; multiple quantum-well region; offset quantum well PIC platform; optical beam splitting; optical planar waveguide components; output waveguide spacing; Interference; Optical devices; Optical interferometry; Optical losses; Optical planar waveguides; Optical scattering; Optical waveguide components; Optical waveguides; Photonic integrated circuits; Planar waveguides;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.809972
