25 Gb/s operation of oxide-confined 850-nm VCSELs with ultralow 56 fJ dissipated power per bit

A new record for energy-efficient oxide-confined 850-nm vertical-cavity surface-emitting lasers (VCSELs) particularly suited for optical interconnects is presented. Error-free performance at 25 Gb/s is achieved with dissipated/total power of only 56/83 fJ/bit. We determine the influence of the oxide...

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Bibliographic Details
Main Authors: Moser, P., Lott, J. A., Wolf, P., Larisch, G., Ledentsov, N. N., Bimberg, D.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive optics
Apertures
Bit rate
Energy efficiency
green photonics
high-speed modulation
Optical interconnections
Vertical cavity surface emitting lasers
vertical-cavity surface-emitting laser
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Summary:A new record for energy-efficient oxide-confined 850-nm vertical-cavity surface-emitting lasers (VCSELs) particularly suited for optical interconnects is presented. Error-free performance at 25 Gb/s is achieved with dissipated/total power of only 56/83 fJ/bit. We determine the influence of the oxide-aperture diameter on the energy-efficiency of high-speed VCSELs by comparing devices with different aperture diameters all operating at 25 Gb/s. We show that our present single-mode VCSELs are more energy-efficient than our multimode ones.
ISSN:0899-9406
1947-6981
DOI:10.1109/ISLC.2012.6348382