Ultra-narrow linewidth laser based on a semiconductor gain chip and extended Si3N4 Bragg grating.
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DOI: 10.1364/ol.44.003825
Abstract: We demonstrate ultra-narrow linewidth fixed wavelength hybrid lasers composing a semiconductor gain chip and extended silicon nitride Bragg grating. Fabricated ultra-low κ Bragg gratings provide a narrow bandwidth and high side-lobe suppression ratio. A single-wavelength… read more here.
Keywords: gain chip; ultra narrow; narrow linewidth; semiconductor gain ... See more keywords