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Spectral characteristics for 1.3 μm monolithic external cavity DFB lasers

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Abstract

Spectral characteristics for 1.3μm monolithic external cavity (MEC) DFB lasers have been studied experimentally. As drive current increased, light output and spectral linewidth were changed periodically. Less than 2 MHz linewidths were obtained at the minimum points of each period. The narrowest beat spectrum linewidth was less than 3MHz with two MEC DFB lasers.

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content/journals/10.1049/el_19860820
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