H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 5/04 (2006.01) H01S 5/026 (2006.01) H01S 5/183 (2006.01) H01S 5/14 (2006.01) H01S 5/42 (2006.01)
Patent
CA 2328637
An optically pumped monolithic VCSEL (vertical cavity surface emitting laser) architecture is disclosed. The laser structure comprises at least one signal VCSEL, at least one pump laser, and transition regions between the signal VCSELs and the pump lasers. The signal VCSEL is laterally optically pumped by the pump laser, which can be electrically or optically pumped. The signal VCSEL, the pump laser and the transition region all are monolithically integrated onto a common substrate. The signal VCSEL can be disposed outside or inside the pump laser cavity (extra-cavity or intra- cavity pumping). The cavity of the pump laser can takes various forms, such as a concave cavity, a confocal cavity, or a cylindrical or ellipsoidal form of cavity. Several signal VCSEL can be disposed in the focus or focal area of the cavity of the pump laser.
Gowling Lafleur Henderson Llp
Nortel Networks Limited
LandOfFree
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