TUNICRIS-julkaisut - Trepo

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Low loss GaInNAs/GaAs gain waveguides with U-bend geometry for single-facet coupling in hybrid photonic integration

Tuorila, Heidi; Viheriälä, Jukka; Cherchi, Matteo; Aho, Antti T.; Aalto, Timo; Guina, Mircea (23.07.2018)
article

<p>We report a low loss U-bend waveguide for realization of GaAs-based gain elements employed in hybrid photonic integration. This architecture allows us to position the input and output ports of the gain waveguide ...
Precise length definition of active GaAs-based optoelectronic devices for low-loss silicon photonics integration

Tuorila, Heidi; Viheriälä, Jukka; Zia, Nouman; Cherchi, Matteo; Harjanne, Mikko; Isoaho, Riku; Aalto, Timo; Guina, Mircea (15.02.2020)
article

<p>The length variation associated with standard cleaving of III–V optoelectronic chips is a major source of loss in the integration with the micron-scale silicon-on-insulator waveguides. To this end, a new, to the ...