Monitoring optical dispersion based on vestigial side band...

Optical communications – Diagnostic testing – Determination of communication parameter

Reexamination Certificate

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Reexamination Certificate

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07035538

ABSTRACT:
Techniques for monitoring frequency-dependent parameter and optical property such as optical dispersion in a modulated optical signal with sidebands based on optical vestigial sideband filtering. Monitoring implementations for both chromatic dispersion and polarization-mode dispersion are described as examples.

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Madsen, “Chromatic and Polarization Mode Dispersion Measurement Technique using Phase-Sensitive Sideband Detection”,Optical Fiber Communication Conference, pp. M06-1 to M06-3, Mar. 17-22, 2001.
Dimmick, et al., “Optical Dispersion Monitoring Technique Using Double Sideband Subcarriers”,IEEE Photonics Technology Letters, vol. 12, No. 7, pp. 900-902, Jul. 2000.

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