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(Color online) Schematic diagram of external cavity configuration of a GaInN MLLD incorporating a flared waveguide. BS-LD denotes bi-sectional laser diode and BPF denotes optical band-pass filter.
(Color online) Optical output power vs. injection current of the LD for V SA = +4, 0, −1, −5, and −9 V. The lasing wavelength was 403.0 nm.
(Color online) Average powers of optical pulses generated by GaInN MLLDs incorporating the flared and straight waveguides as a function of gain current (I g) at optimized reverse bias voltage (V SA).
(Color online) Intensity autocorrelation trace of optical pulses from the GaInN MLLD incorporating a flared waveguide for a gain current of 365 mA and a reverse bias of 18 V at 403.5 nm. The dashed line shows a Gaussian function fitted to the autocorrelation trace. The inset shows the corresponding optical spectrum.
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