Abstract
We describe experimental investigations of two types of semiconductor light sources comprising lasers integrated with amplifier - modulators. The integrated amplifier-modulators were obtained by antireflection (AR) coating the output facet of one section of a cleaved-coupled-cavity (C3) laser. In the first configuration, the modulator operates in conjunction with a CW single-frequency laser while in the second, it is used to gate a train of narrow pulses from a laser which is mode-locked in a fiber resonator. In both cases, the modulated signal has a high on/off ratio (20 dB) and the output spectrum is not affected by the modulator.
© 1984 Optical Society of America
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