Abstract
InGaAsP/InP ITG-DFB-BCRW lasers with a substantial simplified fabrication process, made by one-step liquid phase epitaxy (LPE) without corrugation overgrowth, were characterised. A continuous wave (CW) threshold current of 56 mA and a sidemode suppression ratio (SMSR) of 40 dB, as well as a linewidth of 15 MHz, where achieved at room temperature. The 3 dB-modulation bandwidth is in excess of 5 GHz.
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