Title :
Novel broad-band optical switch using silica-based planar lightwave circuit
Author :
Kitoh, Tsutomu ; Takato, Norio ; Jinguji, Kaname ; Yasu, Mitsuho ; Kawachi, Masao
Author_Institution :
NTT Opto-electron. Lab., Ibaraki, Japan
fDate :
7/1/1992 12:00:00 AM
Abstract :
Novel wavelength-insensitive thermooptic switches which use silica-based planar lightwave circuits are proposed and successfully demonstrated. The fabricated switch has an extinction ratio of more than 17 dB over a 1.25-1.65 mu m wavelength range.<>
Keywords :
integrated optics; optical switches; thermo-optical effects; 1.25 to 1.65 micron; IR; SiO/sub 2/; broad-band optical switch; extinction ratio; silica-based planar lightwave circuit; wavelength range; wavelength-insensitive thermooptic switches; Arm; Circuits; Directional couplers; Nonlinear optical devices; Nonlinear optics; Optical coupling; Optical switches; Optical waveguides; Phase shifters; Solids;
Journal_Title :
Photonics Technology Letters, IEEE
