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Mode control of 1.3 ∞m wavelength coupled VCSEL arrays by cavity structuring

Lukas Mutter,Elodie Lamothe,Vladimir Iakovlev,Andrei Caliman,Benjamin Dwir,Alexandru Mereuta,Alexei Sirbu,Eli Kapon

Conference on Lasers and Electro-Optics 2010（2010）

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Abstract
Mode control in wafer-fused 1.3µm wavelength coupled-VCSEL arrays is achieved by cavity structuring and investigated by spectrally resolved near- and far-field measurements. Improved mode discrimination is attained by combining index- and gain-patterning.
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Key words
laser modes,optical fabrication,semiconductor laser arrays,surface emitting lasers,cavity structuring,gain patterning,index patterning,mode control,mode discrimination,wafer fused wavelength coupled VCSEL arrays,wavelength 1.3 mum,
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