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(Color online) (a) Structure of SCOWL and (b) 2D temperature map of the device at a bias of .
(a) Vertical cross section of laser temperature at a bias current of , and (b) spatially averaged active region temperature at different bias currents.
(Color online) Experiment and simulation results of the optical mode at different bias levels. Cross sections of the normalized experimental and simulation results [dotted lines in Fig. 3(a)] are plotted in Figs. 3(b) and 3(c).
(Color online) Normalized mode-field diameter of the optical mode in the and directions. The direction has an 18% drop as the current increases from .
Refractive index parameters used in the finite-element model.
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