All-optical logic gate with Michelson structure
A Michelson, optical logic technology, applied in the field of optical information processing, can solve the problems of halving the power, difficult to determine the response time, difficult to control and so on
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[0048] refer to figure 2 , which shows an experimental model of an all-optical logic gate according to the principles of the present invention. The splitting ratio of the coupler of the Michelson interferometer is 0.5, the arm [2] is a dispersion-shifted fiber, and the nonlinear coefficient γ 1 W -1 km -1 , zero dispersion wavelength λ D , the arm [3] is an ordinary single-mode fiber, and the nonlinear coefficient γ 2 1 W -1 km -1 , the length of both arms is Lkm. The light source [8] is a mode-locked fiber laser, two control lights incident on the Michelson interferometer: wavelength λ A =λ B , pulse width T 1 , peak power P A =P B , the light source [12] is a mode-locked fiber laser, the wavelength λ c , pulse width T 0 , peak power P c . The repetition frequency of the light sources [8] and [12] is the same 10GHz, λ c A D ,T 1 >T 0 , fiber amplifier [9] gain G 1 dB, fiber amplifier [13] gain G 2 dB fiber amplifier [9] gain G 1 dB. Adjustable attenuato...
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