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Antiguided VCSELs and VCSEL phase-locked arrays

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1 Author(s)
Mawst, L.J. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA

Coherent emission from the surface makes vertical-cavity surface-emitting lasers (VCSEL) very attractive light sources for many applications. As an efficient means to increase the coherent output power from a large emission aperture, antiguided structures have been studied for the last few years. Antiguides have demonstrated high-power, single-mode operation, from edge-emitting lasers and, more recently, have been implemented in VCSELs. The advantage of an antiguide structure is that it provides strong lateral radiation losses, which are highly-mode dependent, thus filtering out higher-order spatial modes In addition, a large index-step provides for mode stability against carrier- and thermally-induced index variations. This paper discusses recent developments of large aperture antiguided VCSELs; simplified antiresonant reflecting optical waveguide (S-ARROW-type) VCSELs and two-dimensional phase-locked antiguided VCSEL arrays. Both structures are fabricated by a selective chemical etching process and two-step MOCVD growth

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Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE  (Volume:2 )

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