Large bandwidth optical communication systems utilizing an incoh

Details Large bandwidth optical communication systems utilizing an incoh Large bandwidth optical communication systems utilizing an incoh

1976-04-01

1978-05-09

Corbin, John K.

350 9617, 350166, G02B 514

Patent

active

040883892

ABSTRACT:
The dispersion of optical signals derived from a spontaneous emitter when coupled into an optical fiber waveguide is substantially reduced by optically coupling a narrow band pass interference filter between the emitter and waveguide. Only a narrow portion of the broad spectral width emission of the emitter is thereby coupled into the waveguide to provide emitter modulation rates limited only by the rise-time of the emitter. In the preferred embodiment, the coupled spectral portion corresponds to the wavelengths of peak emission. Additionally, the filter is a thin film filter deposited onto either the light-exiting face of the emitter or onto the light-receiving end of the fiber waveguide.

REFERENCES:
patent: 3600062 (1971-08-01), Schineller et al.
patent: 3614661 (1971-10-01), Borner et al.
patent: 3704996 (1972-12-01), Borner et al.
patent: 3877052 (1975-04-01), Dixon et al.

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