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AlGaAs-InGaAs slab-coupled optical waveguide lasers

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10 Author(s)
Donnelly, J.P. ; Lincoln Lab., Massachusetts Inst. of Technol., Lexington, MA, USA ; Huang, R.K. ; Walpole, J.N. ; Missaggia, L.J.
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The slab-coupled optical waveguide laser (SCOWL) concept, recently proposed and demonstrated, is extended to the AlGaAs-InGaAs-GaAs material system. Both 980- and 915-nm SCOWL devices feature a nearly circular large-diameter single-spatial mode that can be butt coupled with high efficiency to a single-mode fiber. Single-ended continuous-wave output powers of greater than 1 W have been obtained at 980 nm.

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Quantum Electronics, IEEE Journal of  (Volume:39 ,  Issue: 2 )