Multimode optical transmission apparatus and multimode...

Details Multimode optical transmission apparatus and multimode... Multimode optical transmission apparatus and multimode...

2006-06-26

2008-10-21

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S2140RC

Reexamination Certificate

active

07439485

ABSTRACT:
A multimode optical transmission system reduces a deterioration of a noise characteristic and a distortion characteristic caused by an interference between modes. In an optical transmitter, a signal output section outputs a predetermined signal based on an inputted electrical signal. A control section controls the signal output section so as to adjust a frequency component of the signal outputted by the signal output section based on group delay information of modes which propagate in a multimode optical transmission line. An electric-optic conversion section converts, into an optical signal, the signal outputted by the signal output section, and transmits the optical signal via the multimode optical transmission line.

REFERENCES:
patent: 6748173 (2004-06-01), Ishii et al.
patent: 09-214427 (1997-08-01), None
D.R. Hjelme et al., “Microbending and modal noise”, Applied Optics, vol. 22, No. 23, Dec. 1, 1983, pp. 3874-3879.

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