Fig. 4: Lasing characteristics of the triple-lattice PCSEL. | Light: Science & Applications

Fig. 4: Lasing characteristics of the triple-lattice PCSEL.

From: Continuous-wave operation of 1550 nm low-threshold triple-lattice photonic-crystal surface-emitting lasers

Fig. 4: Lasing characteristics of the triple-lattice PCSEL.

a Light-current-voltage characteristics under continuous-wave (CW) conditions, where the temperature was maintained at 10 °C during measurements. b Emission spectra at various injection currents under CW conditions. c Magnified spectra near the peak wavelength around the threshold. d Light-current characteristics at various temperatures under pulsed conditions. e Emission spectra of pulsed lasers at various injection currents at 10 °C. f Temperature dependence of the emission spectra at an injection current of 1 A

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