Non-linear inferferometer

Details Non-linear inferferometer Non-linear inferferometer

1989-12-11

1991-10-22

Sikes, William L.

Optical waveguides

With optical coupler

Particular coupling function

385122, 385 15, G02B 602, G02B 616

Patent

active

050589865

ABSTRACT:
An optical fibre, loop interferometer (31) is formed from germania doped silica which exhibits Raman scattering at a threshold intensity to provide a transmitted optical signal from port (49) of coupler (35) whose intensity is a sigmoid function of the intensity of an optical signal input at port (39). It finds application in optical switching and logic operations on optical pulses.

REFERENCES:
The Journal of the Optical Society of America B/Optical Physics, vol. 4, No. 11, Nov. 1987, pp. 1843-1846, Optical Society of America, Woodbury, N.Y., U.S.; Doran et al: "Soliton Processing Element for All-Optical Switching and Logic".
Electronics Letters, vol. 24, No. 6, 17th Mar. 1988, pp. 340-341, Stevenage, Herts., GB; I. H. White et al.: "Demonstration of the Optical Kerr Effect in al All-Fibre Mach-Zehnder Interferometer at Laser Diode Powers".

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