The efficiency of continuous-wave SOI Raman lasers can be increased significantly by using a waveguide with a longitudinally varying (as opposed to a constant) effective area, thus reducing the impact of free-carrier absorption.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3550) Lasers and laser optics : Lasers, Raman
(230.0230) Optical devices : Optical devices
(230.7370) Optical devices : Waveguides
M. Krause, H. Renner, and E. Brinkmeyer, "Efficiency Increase of Silicon-on-Insulator Raman Lasers by Reduction of Free-Carrier Absorption in Tapered Waveguides," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CThB1.
References are not available for this paper.