Title :
Center wavelength adjustment of silica-based arrayed waveguide gratings by glass densification
Author :
Saida, Takashi ; Abe, Makoto ; Nasu, Yusuke ; Shibata, Tomohiro ; Takahashi, Hiroshi
Author_Institution :
NTT Electron., Japan
fDate :
5/1/2006 12:00:00 AM
Abstract :
We propose and demonstrate a new method for adjusting the center wavelength of a silica-based planar lightwave circuit interferometer via the densification of silica glass. We applied the proposed method to an arrayed waveguide grating multiplexer using a hot isostatic press, and observed a large center wavelength shift of more than 1 nm. We confirmed that the wavelength shift was stable for more than 100 h at 120°C and 90% RH.
Keywords :
arrayed waveguide gratings; densification; multiplexing equipment; optical glass; optical planar waveguides; silicon compounds; 120 degC; SiO2; center wavelength shift; glass densification; hot isostatic press; multiplexer; silica-based arrayed waveguide gratings; Arrayed waveguide gratings; Circuits; Glass; Hip; Optical arrays; Optical interferometry; Optical waveguides; Planar waveguides; Silicon compounds; Temperature; Arrayed waveguide grating (AWG); hot isostatic press (HIP); planar lightwave circuit; silica glass;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.873963
