Device for detecting the PMD of optoelectronic transmission...

Details Device for detecting the PMD of optoelectronic transmission... Device for detecting the PMD of optoelectronic transmission...

2005-04-26

2005-04-26

Stcyr, Daniel (Department: 2876)

Optical waveguides

Polarization without modulation

C385S003000, C398S013000

Reexamination Certificate

active

06885783

ABSTRACT:
The invention relates to a device for detecting the PMD of optoelectronic transmission lines. The inventive device is characterized in that it comprises a narrow-band, tunable laser, whose illumination is superimposed with the illumination of the transmission line to be analyzed and an optoelectronic heterodyne receiver which receives the superimposed signal.

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Okoshi, T. et al., “New Polarization-Control Scheme for Optical Heterodyne Receiver Using Two Faraday Ratators,” Electronic Letters, GB, IEE Stevenage, 21(18), pp. 787-788 (Aug. 29, 1985).
Rosenfeld et al., “PMD Compensation in 10 Gbit/s NRZ Field Experimental Using Polarmetric Error Signal,”Electronic Letters, vol. 36, No. 5 (Mar. 2000).
Calvani et al., “Real-Time Heterodyne Fiber Polarimetry with Narrow- and Broad-Band Sources,”Journal of Lightwave Technology, vol. LT-4, No. 7 (Jul. 1986).

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