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Speed enhancement of VCSELs by photon lifetime reduction

Speed enhancement of VCSELs by photon lifetime reduction

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The dependence of the performance of high-speed 850 nm vertical cavity surface-emitting lasers (VCSELs) on photon lifetime is investigated. The photon lifetime is controlled by shallow surface etching. It is demonstrated that a reduction of photon lifetime by ∼50% leads to a significant improvement of efficiency and speed. A record high 3 dB bandwidth of 23 GHz is achieved.

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Correspondence
This article has following corresponding article(s):
Bandwidth boost for 850 nm VCSELs
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