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Proceedings Paper

Optical components for very short reach applications at 40 Gb/s and beyond
Author(s): Nikolay N. Ledentsov; James A. Lott; Vitaly A. Shchukin; Dieter Bimberg; Alex Mutig; Tim D. Germann; Jörg-R. Kropp; Leonid Ya. Karachinsky; Sergey A. Blokhin; Alexey M. Nadtochiy
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Paper Abstract

Just as the density of transistors on a silicon chip about doubles with each new generation, processor bandwidth also about doubles. Consequently the speed of input-output (I/O) devices must grow and today we find processor I/O speed approaching or slightly surpassing 10 Gb/s (G) per channel for 100G Ethernet server applications. Similarly Storage Area Networks are supported by Fibre Channel FC16G transceivers operating at the newly standardized serial signaling rate of 14 Gbaud. Further upgrades will require within only a few years links at 25, 28 and 40 Gbaud, speeds that are barely feasible with copper cabling, even for very short reach distances. Thus the role of optical interconnects will increase dramatically as the data transfer rates increase. Furthermore an increased bandwidth demand necessitates an equal or greater demand for low cost and highly power efficient micro-laser and -detector components along with their associated driver and transimpedance amplifier (TIA) integrated circuits (ICs). We summarize our recent achievements in vertical cavity surface emitting lasers (VCSELs) and PIN photodetectors suitable for very short reach multimode fiber links that enable bit rates up to and beyond 40 Gb/s. We address achievements in current modulated VCSELs, electrooptically modulated VCSELs, top illuminated PIN photodiodes, TIA and driver ICs, and packaging solutions.

Paper Details

Date Published: 25 February 2010
PDF: 10 pages
Proc. SPIE 7597, Physics and Simulation of Optoelectronic Devices XVIII, 75971F (25 February 2010); doi: 10.1117/12.847330
Show Author Affiliations
Nikolay N. Ledentsov, VI Systems GmbH (Germany)
James A. Lott, VI Systems GmbH (Germany)
Vitaly A. Shchukin, VI Systems GmbH (Germany)
Dieter Bimberg, Technische Univ. Berlin (Germany)
Alex Mutig, Technische Univ. Berlin (Germany)
Tim D. Germann, Technische Univ. Berlin (Germany)
Jörg-R. Kropp, VI Systems GmbH (Germany)
Leonid Ya. Karachinsky, Technische Univ. Berlin (Germany)
A.F. Ioffe Physical Technical Institute (Russian Federation)
Sergey A. Blokhin, Technische Univ. Berlin (Germany)
A.F. Ioffe Physical Technical Institute (Russian Federation)
Alexey M. Nadtochiy, Technische Univ. Berlin (Germany)
A.F. Ioffe Physical Technical Institute (Russian Federation)

Published in SPIE Proceedings Vol. 7597:
Physics and Simulation of Optoelectronic Devices XVIII
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Marek Osinski, Editor(s)

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