Title :
Observation of 4.4 dB Brillouin gain in a silicon photonic wire
Author :
Van Laer, Raphael ; Kuyken, Bart ; Van Thourhout, Dries ; Baets, Roel
Author_Institution :
Dept. of Inf. Technol., Ghent Univ., Ghent, Belgium
Abstract :
We report the first observation of a hypersonic mode of a small-core silicon wire. In particular, we achieve record 4.4 dB on/off continuous-wave Brillouin gain at 1550 nm. The wire is supported by a tiny oxide pillar to block the path for external phonon leakage.
Keywords :
elemental semiconductors; integrated optics; optical waveguides; silicon; silicon compounds; stimulated Brillouin scattering; Si; SiN; external phonon leakage; gain 4.4 dB; hybrid silicon-silicon nitride waveguide; hypersonic mode; on-off continuous-wave Brillouin gain; oxide pillar; silicon photonic wire; wavelength 1550 nm; Gain; Modulation; Optical waveguides; Photonics; Scattering; Silicon; Wires;
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/IPCon.2014.6995498
