Title :
Crosstalk reduction for large scale photonic integrated circuits
Author :
Angkaew, Tuptim ; Umezawa, Toshimasa ; Kawanishi, Tetsuyas
Author_Institution :
Dept. of Electr. Eng., Chulalongkorn Univ., Bangkok, Thailand
Abstract :
The fundamental crosstalk characteristics related to design of highly compact optical and RF signal lines has been studied in this work. The systematic investigation of the crosstalk of parallel waveguides are carried out by modal analysis and the beam propagation analysis. The new idea of crosstalk mitigation in PIC by using uniform air gap along the longitudinal structure has been proposed. The crosstalk mitigation up to - 40dB by using air gap can successfully achieve, which results in reduction of spacing between signal lines.
Keywords :
air gaps; integrated optics; microwave photonics; optical crosstalk; optical design techniques; optical waveguides; PIC; RF signal line design; beam propagation analysis; crosstalk mitigation; crosstalk reduction; fundamental crosstalk characteristics; highly compact optical signal line design; large scale photonic integrated circuits; longitudinal structure; modal analysis; parallel waveguide crosstalk; spacing reduction; uniform air gap; Atmospheric modeling; Crosstalk; Optical fiber networks; Optical fibers; Substrates; Waveguide discontinuities; PIC waveguide; coupled mode analysis of two waveguides; crosstalk in PIC; crosstalk mitigation;
Conference_Titel :
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014 International Topical Meeting on
Conference_Location :
Sapporo
DOI :
10.1109/MWP.2014.6994510
