High speed VCSELs for optical interconne
β Alex Mutig (auth.)
π Library
π
2011
π Springer-Verlag Berlin Heidelberg
π English
β¦ LIBER β¦
π
Energy-Efficient VCSELs for Optical Interconnects
β Scribed by Philip Moser
- Publisher
- Springer International Publishing
- Year
- 2015
- Tongue
- English
- Leaves
- 190
- Series
- Springer Theses
- Edition
- 1
- Category
- Library
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β¦ Synopsis
This dissertation provides the first systematic analysis of the dynamic energy efficiency of vertical-cavity surface-emitting lasers (VCSELs) for optical interconnects, a key technology to address the pressing ecological and economic issues of the exponentially growing energy consumption in data centers. Energy-efficient data communication is one of the most important ο¬elds in βGreen Photonicsβ enabling higher bit rates at signiο¬cantly reduced energy consumption per bit.
In this thesis the static and dynamic properties of GaAs-based oxide-confined VCSELs emitting at 850 nm and 980 nm are analyzed and general rules for achieving energy-efficient data transmission using VCSELs at any wavelength are derived. These rules are verified in data transmission experiments leading to record energy-efficient data transmission across a wide range of multimode optical fiber distances and at high temperatures up to 85Β°C.
Important trade-offs between energy efficiency, temperature stability, modulation bandwidth, low current-density operation and other VCSEL properties are revealed and discussed.
β¦ Subjects
Laser Technology, Photonics; Semiconductors; Energy Efficiency (incl. Buildings); Communications Engineering, Networks; Information Storage and Retrieval
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