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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 14 — Jul. 15, 2008
  • pp: 2037–2045

Coherent Transmission Direct Detection MIMO Over Short-Range Optical Interconnects and Passive Optical Networks

Moshe Nazarathy and Amos Agmon

Journal of Lightwave Technology, Vol. 26, Issue 14, pp. 2037-2045 (2008)


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Abstract

Building on a recently introduced quadratic multiple-input multiple-output (Q-MIMO) channel model making use of quadratic forms instead of linear channel matrices, we explore diverse signaling formats over the Q-MIMO channel in the frequency flat regime, highlighting the unique characteristics of optical multimode fiber (MMF) systems versus their wireless counterparts. In particular, we treat multiple-input single-output multimode fiber systems, comparing them with single-input single-output MMF systems and obtaining insight into the possibility of efficiently coupling the output of an MMF into a single-mode fiber. We further treat vector amplitude modulation over MMF MIMO and study the receiver zero-forcing (ZF) technique for MMF MIMO transmission, deriving its performance and comparing with a recently introduced ZF beamforming technique based on precoding at the transmitter, which is shown to be superior to receiver ZF.

© 2008 IEEE

Citation
Moshe Nazarathy and Amos Agmon, "Coherent Transmission Direct Detection MIMO Over Short-Range Optical Interconnects and Passive Optical Networks," J. Lightwave Technol. 26, 2037-2045 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-14-2037

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