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We report low threshold current single-cell photonic-crystal lasers with InGaAsP quantum-wells at room temperature. The central current post and waveguides coupled to single-cell PhC cavity generate single hexapole mode lasing action by suppressing quadrupole modes.
We report the low-power optical bistability under the continuous wave pumping conditions in photonic crystal linear resonators containing the InGaAsP quantum well active medium. The threshold bistable power is measured to be 35 muW at the normalized detuning of -1.724, by employing fiber coupling techniques.
We demonstrate extremely low-power all-optical bistability by using photonic crystal linear resonators based on InGaAsP quantum-wells. Since the photonic crystal cavity has a high quality-factor and a small mode-volume, the photon density in the cavity is extremely high, which makes it possible to reduce the bistable power. The measured minimum bistable threshold power was 37 muW by using a fiber...
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