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An in depth study of aperture placement relative to the electric field standing wave of oxide aperture vertical-cavity surface-emitting lasers (VCSELs) is presented. VCSELs with oxide apertures placed at a node and at an antinode are studied for their dependence of internal loss, far field, threshold current, and efficiency on the position of a thin AlO/sub x/ current aperture relative to the longitudinal standing wave in the cavity.
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Bond et al. (1999) studied this question.
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