O band High power distributed-feedback laser diode Chips

The laser diode with a period grating provides a high side-mode suppression ratio (SMS) over a wide temperature range. In order to achieve the high bias injection efficiency and low leakage current,waveguide stripe is applied for current confinement. The waveguide stripes, including multiple quantum wells (MQWs) active layers and period grating for low threshold current, high slope efficiency and high temperature characteristic (TO) design.

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