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Grating integrated single mode microring laser
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DOI：10.1364/OE.23.005335.png)
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Abstract
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Microring and microdisk lasers are potential candidates for small footprint, low threshold in-plane integrated lasers; however, they exhibit multimode lasing spectra and bistability. Here, we theoretically propose and experimentally demonstrate a novel approach for achieving single mode lasing in microring lasers. Our approach is based on increasing the radiation loss of all but one of the resonant modes of microring resonators by integrating second order gratings on the microrings' waveguide. We present single mode operation of electrically pumped semiconductor microring lasers whose lasing modes are lithographically selected via the second order grating. We also show that adding the grating does not increase the lasing threshold current significantly. (C) 2015 Optical Society of America
Keywords:
LOW-POWER
DYNAMICS
MEMORY
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Electrically-pumped compact hybrid silicon microring lasers for optical interconnects.png)
OPTICS EXPRESS
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OPTICS EXPRESSIF3.3
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