End-Fire Injection (IMAGE)
Caption
A new end-fire injection technique uses a waveguide (W) that is directly connected to the edge of the microdisk. A phenomenon known as laser time-reversal creates a laser that absorbs light rather than emits it, allowing the light to efficiently enter the microdisk, which use the whispering-gallery optical effect to confine and enhance light that enters the disk
Credit
Qinghai Song, Harbin Institute of Technology in China
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