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Proceedings Paper

An all-silicon optical PC-to-PC link utilizing USB
Author(s): Marius E. Goosen; Antonie C. Alberts; Petrus J. Venter; Monuko du Plessis; Pieter Rademeyer
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Paper Abstract

An integrated silicon light source still remains the Holy Grail for integrated optical communication systems. Hot carrier luminescent light sources provide a way to create light in a standard CMOS process, potentially enabling cost effective optical communication between CMOS integrated circuits. In this paper we present a 1 Mb/s integrated silicon optical link for information transfer, targeting a real-world integrated solution by connecting two PCs via a USB port while transferring data optically between the devices. This realization represents the first optical communication product prototype utilizing a CMOS light emitter. The silicon light sources which are implemented in a standard 0.35 μm CMOS technology are electrically modulated and detected using a commercial silicon avalanche photodiode. Data rates exceeding 10 Mb/s using silicon light sources have previously been demonstrated using raw bit streams. In this work data is sent in two half duplex streams accompanied with the separate transmission of a clock. Such an optical communication system could find application in high noise environments where data fidelity, range and cost are a determining factor.

Paper Details

Date Published: 27 February 2013
PDF: 7 pages
Proc. SPIE 8630, Optoelectronic Interconnects XIII, 86300K (27 February 2013); doi: 10.1117/12.2004819
Show Author Affiliations
Marius E. Goosen, INSiAVA (Pty) Ltd. (South Africa)
Antonie C. Alberts, INSiAVA (Pty) Ltd. (South Africa)
Petrus J. Venter, Univ. of Pretoria (South Africa)
Monuko du Plessis, Univ. of Pretoria (South Africa)
Pieter Rademeyer, INSiAVA (Pty) Ltd. (South Africa)


Published in SPIE Proceedings Vol. 8630:
Optoelectronic Interconnects XIII
Alexei L. Glebov; Ray T. Chen, Editor(s)

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