Title :
Si waveguide wavelength filters using high-order-mode selection by waveguide coupler
Author :
Okayama, H. ; Onawa, Y. ; Shimura, D. ; Miyamura, S. ; Takahashi, H. ; Yaegashi, H. ; Sasaki, H.
Author_Institution :
Inst. for Photonics-Electron. Convergence Syst. Technol. (PECST), Warabi, Japan
Abstract :
We report wavelength filter using coupled Si waveguides and its high order mode. The wavelength dispersion difference between modes can be used to construct an add/drop wavelength filter. Devices incorporating reflective mode conversion grating and slot/twin waveguide are reported.
Keywords :
diffraction gratings; infrared spectra; integrated optoelectronics; optical couplers; optical dispersion; optical waveguide filters; optical waveguides; silicon-on-insulator; Si; add-drop wavelength filter; coupled waveguides; high-order-mode selection; reflective mode conversion grating; slot-twin waveguide; waveguide coupler; waveguide wavelength filters; wavelength dispersion difference; Couplers; Extinction ratio; Gratings; Optical fiber filters; Optical waveguides; Silicon; Directional coupler; Grating; Si waveguide; Wavelength filter;
Conference_Titel :
Group IV Photonics (GFP), 2012 IEEE 9th International Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4577-0826-8
DOI :
10.1109/GROUP4.2012.6324097
