Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2008-01-15
2008-01-15
Doan, Jennifer (Department: 2874)
Optical waveguides
With optical coupler
Plural
C385S015000
Reexamination Certificate
active
07319801
ABSTRACT:
A chromatic dispersion compensation method is disclosed wherein setting of a dispersion compensation amount with which the quality of a signal to be reproduced at a receiver side is enhanced when compared with that of conventional equipments can be searched readily. In the method, the value to be set as the sum total of residual dispersion amounts remaining after dispersion compensation by a dispersion compensation section provided in each equipments or the sum total of absolute values of the residual dispersion amounts is calculated by arithmetically operating a linear function expression. Then, the dispersion compensation amount to be used in the dispersion compensation section in the equipments is determined based on the derived value to be set as the sum total of residual dispersion amounts or the sum total of absolute values of the residual dispersion amounts.
REFERENCES:
patent: 2005/0226629 (2005-10-01), Ooi et al.
patent: 2005-295126 (2005-10-01), None
Yann Frignac, et al., “Numerical Optimization of Pre- and In-Line Dispersion Compensation in Dispersion-Managed Systems at 40 Gbit/s”, International Conference OFC 2002, Article No. ThFF5, pp. 612-613, Mar. 21, 2002.
Doan Jennifer
Fujitsu Limited
Staas & Halsey , LLP
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