H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/098 (2006.01)
Patent
CA 2201445
A mode-locking device for a laser operating at a defined wavelength, has a substrate, transparent to the defined wavelength, with a front side for receiving incident radiation and a back side. An anti-reflection coating is formed on the front side to minimize reflection loss at the defined wavelength. A quantum well structure is arranged on the back side. A high reflectance structure is arranged behind the quantum well structure in such a way that an electric field peak in the incident radiation substantially coincides with said quantum well structure. This device offers a more reliable and less costly approach for the production of non-linear mirrors since the layers of the dielectric stack do not have to be formed by epitaxial deposition.
Alcock Alfred John
Sullivan Brian Thomas
Anderson J. Wayne
National Research Council Of Canada
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