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Opt Lett. 1995 Apr 1;20(7):698-700.

All-optical switching in two cascaded nonlinear directional couplers.

Abstract

We report on what is to our knowledge the first demonstration of all-optical switching in two integrated nonlinear directional couplers cascaded together in series. The directional couplers were fabricated from AlGaAs and operated at a wavelength of 1.53 microm, which corresponded to the half-band gap. The two devices were fabricated on the same chip, thereby eliminating coupling and reflection losses. We also report on the effects of pulse breakup.

PMID:
19859301
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