Title :
Practical approach to design and fabrication of antireflection coatings for semiconductor optical amplifiers
Author :
Prakasam, R. ; Fox, Stephen ; Gopalan, Badri P. ; Kareenahalli, Suryaprasad ; Heim, Peter J S ; Dagenais, Mario
Author_Institution :
Dept. of Electr. Eng., Maryland Univ., College Park, MD, USA
fDate :
4/1/1996 12:00:00 AM
Abstract :
We have used a combination of experimental techniques and a numerical method based on a waveguide model to demonstrate low-modal reflectivity antireflection coatings on semiconductor lasers. Our approach does not require a detailed knowledge of the laser layer structure. We have modeled the experimental spectral reflectivities for single- and two-layer antireflection coatings using this approach. This is the first time that a detailed comparison between theory and experiment has been made for two-layer antireflection coatings.
Keywords :
antireflection coatings; optical design techniques; optical fabrication; optical waveguide theory; reflectivity; semiconductor lasers; ZnS-SiO/sub 2/; antireflection coatings; design; fabrication; low-modal reflectivity; numerical method; semiconductor optical amplifiers; single-layer antireflection coatings; spectral reflectivities; two-layer antireflection coatings; waveguide model; Coatings; Laser modes; Laser theory; Optical design; Optical device fabrication; Optical waveguides; Reflectivity; Semiconductor lasers; Semiconductor optical amplifiers; Waveguide lasers;
Journal_Title :
Photonics Technology Letters, IEEE
