Stimulated Brillouin scattering for fiber-optic links

Details Stimulated Brillouin scattering for fiber-optic links Stimulated Brillouin scattering for fiber-optic links

1996-10-31

1999-03-02

Pihulic, Daniel T.

Optical waveguides

Accessories

Attenuator

385 27, 385 39, 372 3, 372 21, 372 69, 372106, 359156, 359181, 359182, 359183, 359327, 359334, G02B 600

Patent

active

H00017914

ABSTRACT:
An attenuator/filter is disclosed that is inherently tuned and provides for a stimulated Brillouin scattering effect having a predetermined threshold that fixes the output thereof at a predefined power level. The stimulated Brillouin scattering effect is disclosed as being provided by either a fused silica optical fiber or a fiber-optic ring resonator both of which act as a filter to allow selected frequencies to pass. The SBS threshold is selected to improve the sideband to carrier power ratio which, in turn, determines the modulation depth for the modulated signal.

REFERENCES:
patent: 4560246 (1985-12-01), Cotter
K.J. Williams et al., Stimulated Brillouin Scattering for Improvement of Microwave Fiber-Optic Link Efficiency, Electronics Letters, 30, 1965, (No. 23, Nov. 10, 1994).

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