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Resonantly photopumped lasing and its switching behavior in a photonic crystal nanolaser
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View: Figures


Image of FIG. 1.
FIG. 1.

nanolaser. (a) Scanning electron micrograph of the fabricated device. (b) Resonant modes observed in the photoluminescence spectrum for high-frequency pumping at .

Image of FIG. 2.
FIG. 2.

Laser characteristics obtained by resonantly pumping at . (a) Laser mode intensity vs pump wavelength. (b) Main graph—laser mode intensity vs irradiated power. Inset figure—lasing spectrum when pumped above threshold.

Image of FIG. 3.
FIG. 3.

Resonant photopumping through an input waveguide. (a) Schematic of the nanolaser integrated with an input waveguide. (b) Plot of vs . Here, and are assumed to be 2000 and 20 000, respectively, while is an unknown variable. (c) Graph of for the two cavity modes calculated with the airhole shift shown in the inset.

Image of FIG. 4.
FIG. 4.

Switching behavior of the pumping wavelength and intensity in the resonant photopumping experiment. (a) Laser mode intensity vs pump wavelength for four different irradiated powers. The arrows indicate the switching wavelength. (b) Laser mode intensity vs irradiated power for five different pumping wavelengths. The inset shows the shift in the wavelength and intensity of the dipole and monopole modes, respectively.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Resonantly photopumped lasing and its switching behavior in a photonic crystal nanolaser