Abstract

We investigate novel transmission schemes over multimode fiber with multiple output detectors, providing more efficient utilization of the available spatial-temporal degrees of freedom of the system by combining coherent phase shift keying transmission with direct detection. We evaluate the statistics of the electrical charge generated by each detector, and its dependence on factors such as detector type, dimension and offset position. In the frequency-selective case, we reveal that temporal degrees of freedom resulting from nonoverlapping time pulses modify the decision variable statistics. We apply the ensuing model to propose a novel phase-modulated single input multiple output (SIMO) multimode fiber transmission system employing multiple detectors and multiple input multiple output (MIMO) space-time postdetection signal processing in order to mitigate the ISI stemming from intermodal dispersion.

© 2008 IEEE

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2008 (1)

M. Greenberg, M. Nazarathy, M. Orenstein, "Multimode fiber as random code generator—Application to massively parallel MIMO transmission," J. Lightw. Technol. 26, 882-890 (2008).

2007 (3)

2006 (3)

P. Pepeljugoski, J. A. Tiero, A. Risteski, S. K. Reynolds, L. Schares, J. Lightw. Technol. 24, 4235-4249 (2006).

R. C. J. Hsu, A. Tarighat, E. A. Shah, A. H. Sayed, B. Jalali, "Capacity enhancement in Coherent Optical MIMO (COMIMO) multimode fiber links," IEEE Commun. Lett. 10, 195-197 (2006).

Y. Yadin, M. Orenstein, "Parallel optical interconnects over multimode waveguides using mutually coherent channels and direct detection," J. Lightw. Technol. 24, 380-386 (2006).

1980 (1)

IEEE Commun. Lett. (1)

R. C. J. Hsu, A. Tarighat, E. A. Shah, A. H. Sayed, B. Jalali, "Capacity enhancement in Coherent Optical MIMO (COMIMO) multimode fiber links," IEEE Commun. Lett. 10, 195-197 (2006).

J. Lightw. Technol. (3)

Y. Yadin, M. Orenstein, "Parallel optical interconnects over multimode waveguides using mutually coherent channels and direct detection," J. Lightw. Technol. 24, 380-386 (2006).

M. Greenberg, M. Nazarathy, M. Orenstein, "Data parallelization by optical MIMO transmission over multi-mode fiber with inter-modal coupling," J. Lightw. Technol. 25, 1503-1514 (2007).

M. Greenberg, M. Nazarathy, M. Orenstein, "Multimode fiber as random code generator—Application to massively parallel MIMO transmission," J. Lightw. Technol. 26, 882-890 (2008).

J. Lightw. Technol. (1)

P. Pepeljugoski, J. A. Tiero, A. Risteski, S. K. Reynolds, L. Schares, J. Lightw. Technol. 24, 4235-4249 (2006).

Opt. Express (2)

Opt. Lett. (1)

Other (6)

J. Barry, E. Lee, D. Messerschmitt, Digital Communication (Kluwer Academic, 2004).

M. Greenberg, M. Nazarathy, M. Orenstein, "Massively parallel transmission over multimode fiber applied to 100 Gigabit Ethernet with random-coding," CMQ4, CLEO 2007 and OECC/IOOC2007 paper number 87.

J. W. Goodman, Speckle Phenomena in Optics: Theory and Applications (Roberts & Company, 2006).

IEEE P802.3aq 10Gbase-LRM Task Force .

N. E. Jolley, H. Kee, R. Rickard, J. Tang, Proc. OFP3, OFC 2005 .

K. Balemarthy, S. E. Ralph, "MIMO processing of multi-mode fiber links," LEOS '06 (2006) paper WX4.

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