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Toward realization of an ultralow-power-consumption semiconductor light source for on-chip optical interconnection, we have been investigating the lateral current injection (LCI) membrane distributed feedback (DFB) laser. This time, we realized membrane DFB laser with 158 nm core thickness and demonstrated room-temperature continuous-wave (CW) operation with a threshold current of 390 μA for the cavity...
We theoretically investigated the self-heating effect caused by current injection into a membrane distributed feedback laser designed to operate at ultralow-power consumption. By simulating its temperature distribution, the thermal resistance of the laser was estimated to be 6100 K/W. In addition, changes in lasing characteristics owing to the self-heating effect were calculated. An output power of...
Toward realization of an ultralow-power-consumption semiconductor light source for optical interconnection, we have been investigating the lateral current injection (LCI) membrane distributed feedback (DFB) laser. This time, we realized membrane Fabry-Perot (FP) laser with 220 nm core thickness and demonstrated room-temperature continuous-wave (CW) operation with a threshold current of 3.5 mA for...
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