Polarization modulation of optical signals using birefringent me

Details Polarization modulation of optical signals using birefringent me Polarization modulation of optical signals using birefringent me

1989-03-01

1991-06-11

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455615, 455617, H04B 1004

Patent

active

050239481

ABSTRACT:
A digital transmission system and method for coherent optical systems in which a source signal is frequency modulated by digital information and caused to be incident on a birefringent medium. Moudulation signals are produced having a polarization which is dependent on the frequency of the source signal. The information can be regenerated by processing only one of the modulation signals and thus only one need be transmitted. Further modulation signals may be transmitted to enable error checking at the receiver.

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Niblack, "Polarization Modulation and Demodulation of Light", Applied Optics, 2-64, vol. 3, No. 2, pp. 277-279.

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