Abstract
We reported a 56-kHz spectral linewidth1 produced by introducing a corrugation-pitch-modulated (CPM) grating into 1.2-mm long MQW distributed feedback (MQW-DFB) lasers. The present paper reports the wavelength tuning and PM response characteristics of three-section CPM-MQW-DFB lasers.
© 1992 Optical Society of America
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