Intracavity frequency-doubled electrically-injected VECSEL
Sandia Nat. Lab., Albuquerque, NM, USADOI: 10.1109/LEOSST.2002.1027597 Conference: All-Optical Networking: Existing and Emerging Architecture and Applications/Dynamic Enablers of Next-Generation Optical Communications Systems/Fast Optical Processing in Optical Transmission/VCSEL and Microcavity Lasers. 2002 IEEE/LEOS Summer Topi
Source: IEEE Xplore
We have previously demonstrated an intra-cavity frequency doubled optically pumped vertical external cavity surface emitting laser (VECSEL) based on a top emitting epitaxial structure. In this paper we report on a similar device, an InGaAs MQW VECSEL that is electrically-injected and bottom emitting. The bottom emitting structure allows for better current spreading and more efficient heat extraction from the active region at the expense of increased intracavity absorption from the substrate region.
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