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We attempt to integrate light-emitting diode (LED) and waveguide on the same GaN-on-silicon platform, which is fashioned with suspended p–n junction InGaN/GaN multiple quantum wells. Silicon substrate is removed to form highly confined waveguide structures and suspended LED. The light emission measurements experimentally demonstrate that part of the LED emission is coupled into suspended waveguide...
We present here the fabrication of suspended hafnium oxide (HfO $$_{2})$$ 2 ) photonic crystal slab on a III-nitride/Si platform. The calculations are performed to model the suspended HfO $$_{2 }$$ 2 photonic crystal slab. Aluminum nitride (AlN) film is employed as the sacrificial layer to form air gap. Photonic crystal patterns are defined by electron beam lithography and...
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