27 Feb '17, 4pm

Shining Light through the Backside: A Hybrid Laser that Plays Nice with CMOS

OK, so that was the laser part – the first protagonist. The non-laser part is what can be made out of silicon, and, in this project, it consisted of adiabatic tapers to take the light and transition it into the silicon waveguide (the adiabatic thing, as far as I can tell, meaning that you do it gently so that there’s no discontinuity or loss). Once in the waveguide, it could go in two directions (say left and right). Except that, mostly, they wanted to confine the light as part of the overall resonance thing. So, at both ends of the waveguide are reflectors that keep the light in place, bouncing back and forth.

Full article: http://www.eejournal.com/archives/articles/20170228-backs...

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