Sunday, February 6, 2011

LDPC-Coded Orbital Angular Momentum (OAM) Modulation For Free-Space Optical Communication

An Orbital Angular Momentum (OAM) based LDPC-coded modulation scheme suitable for use in FSO communication is proposed. They demonstrate that the proposed scheme can operate under strong atmospheric turbulence regime and enable 100 Gb/s optical transmission while employing 10 Gb/s components.

Tuesday, February 1, 2011

A hot new technology to keep your eye on - RF orbital angular momentum

[I have been fascinated by the theory of Orbital Angular Momentum (OAM) since I first read about it in the mid 1990s in a UK science publication. I believe that OAM may have some unique applications in RF signaling especially for new multi-spectral coding techniques and medical diagnostic and imaging applications.