Mr. Daniel Almeida Profile

Daniel Almeida

at Instituto Superior de Engenharia de Lisboa

SPIE Involvement:

Author

Publications (3)

Proceedings Article | 11 March 2024 Presentation + Paper

Amorphous silicon grating couplers based on random and quadratic variation of the refractive index

Daniel Almeida, Marco De'Rossi, Paulo Lourenço, Alessandro Fantoni, João Costa, Manuela Vieira

Proceedings Volume 12880, 128800J (2024) https://doi.org/10.1117/12.3002858

KEYWORDS: Refractive index, Optical gratings, Waveguides, Design, Optical fibers, Diffraction gratings, Amorphous silicon, Silicon, Lithography, Simulations

Read Abstract +

Proceedings Article | 4 March 2022 Presentation + Paper

Multi-micron dimensioning of amorphous silicon rib waveguides

Daniel Almeida, João Costa, Alessandro Fantoni, Manuela Vieira

Proceedings Volume 11995, 119950D (2022) https://doi.org/10.1117/12.2610221

KEYWORDS: Waveguides, Amorphous silicon, Light wave propagation, Refractive index, Photonic integrated circuits, Optical fibers, Magnetism, Finite-difference time-domain method, Wave propagation, Tolerancing

Read Abstract +

Proceedings Article | 5 March 2021 Presentation + Paper

Performance of an a-Si:H MMI multichannel beam splitter analyzed by computer simulation

João Costa, Daniel Almeida, Alessandro Fantoni, Paulo Lourenço, Miguel Fernandes, Manuela Vieira

Proceedings Volume 11691, 1169106 (2021) https://doi.org/10.1117/12.2583028

KEYWORDS: Brain-machine interfaces, Waveguides, Computer simulations, Beam splitters, Beam analyzers, Beam propagation method, Point-of-care devices, Photomasks, Multimode interference devices, Lithography

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years