Joachim Ciers

Forskningsspecialist vid Fotonik

Källa: chalmers.se
Image of Joachim Ciers

Visar 23 publikationer

2024

Ultraviolet-B Resonant-Cavity Light-Emitting Diodes with Tunnel Junctions and Dielectric Mirrors

Estrella Torres, Joachim Ciers, Michael Alexander Bergmann et al
ACS Photonics. Vol. 11 (8), p. 2923-2929
Artikel i vetenskaplig tidskrift
2024

Nanomechanical Crystalline AlN Resonators with High Quality Factors for Quantum Optoelectromechanics

Anastasiia Ciers, Alexander Wolfgang Martin Jung, Joachim Ciers et al
Advanced Materials. Vol. 36 (44)
Artikel i vetenskaplig tidskrift
2023

The quest for ultraviolet vertical-cavity surface-emitting lasers

Åsa Haglund, Filip Hjort, Johannes Enslin et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper i proceeding
2023

UVC photonic crystal surface-emitting lasers with low-divergent far-fields

Dogukan Apaydin, lukas Uhlig, Joachim Ciers et al
Övrigt konferensbidrag
2023

Optically Pumped UVC Photonic Crystal Surface-Emitting Laser

Dogukan Apaydin, Joachim Ciers, Hjalmar Andersson et al
Övrigt konferensbidrag
2023

Athermalization of the Lasing Wavelength in Vertical-Cavity Surface-Emitting Lasers

Lars Persson, Filip Hjort, G. Cardinali et al
Laser and Photonics Reviews. Vol. 17 (8)
Artikel i vetenskaplig tidskrift
2022

Thermal Transport in c-plane GaN Membranes Characterized by Raman Thermometry

Wilken Seemann, Joachim Ciers, Isabell Hüllen et al
Poster (konferens)
2022

Influence of detuning and surface roughness on the lasing threshold of optically pumped UVB VCSELs

Giulia Cardinali, Filip Hjort, Nando Prokop et al
Övrigt konferensbidrag
2022

Out of the blue: UV VCSELs

Åsa Haglund, Filip Hjort, Johannes Enslin et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. PC12001
Paper i proceeding
2022

Electrochemical etching – a key enabler for thin-film VCSELs and LEDs?

Åsa Haglund, Filip Hjort, Johannes Enslin et al
GaN Marathon
Paper i proceeding
2022

Low-Threshold AlGaN-based UVB VCSELs enabled by post-growth cavity detuning

G. Cardinali, Filip Hjort, N. Prokop et al
Applied Physics Letters. Vol. 121 (10)
Artikel i vetenskaplig tidskrift
2022

Thin-film UV VCSELs and LEDs by electrochemical etching

Åsa Haglund, Filip Hjort, Johannes Enslin et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. PC12022
Paper i proceeding
2022

Blue and UV VCSELs: today and tomorrow

Åsa Haglund, Giulia Cardinali, Lars Persson et al
Övrigt konferensbidrag
2022

UV VCSELs – this is the way

Åsa Haglund, Giulia Cardinali, Lars Persson et al
9th Workshop on Physics and Technology of Semiconductor Lasers
Paper i proceeding
2022

Growth of UVB tunnel-junction LEDs: Impact of GaN interlayer thickness on morphology and electro-optical characteristics

Massimo Grigoletto, Sarina Graupeter, Estrella Torres et al
International Workshop on Nitride semiconductors (IWN)
Paper i proceeding
2022

Single-mode lasing in optically pumped UVB VCSELs with circular relief structures

Giulia Cardinali, Filip Hjort, Joachim Ciers et al
International Workshop on Nitride semiconductors (IWN)
Paper i proceeding
2021

Advances in ultraviolet-emitting vertical-cavity surface-emitting lasers

Filip Hjort, Johannes Enslin, Munise Cobet et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. 11686
Paper i proceeding
2021

Out of the blue: ultraviolet vertical-cavity surface-emitting lasers

Åsa Haglund, Filip Hjort, Johannes Enslin et al
Övrigt konferensbidrag
2021

Impact of polarization fields on electrochemical lift-off of GaN membranes

Joachim Ciers, Michael Alexander Bergmann, Filip Hjort et al
Övrigt konferensbidrag
2021

Smooth GaN membranes by polarization-assisted electrochemical etching

Joachim Ciers, Michael Alexander Bergmann, Filip Hjort et al
Applied Physics Letters. Vol. 118 (6)
Artikel i vetenskaplig tidskrift
2021

Ultrafast-nonlinear ultraviolet pulse modulation in an AlInGaN polariton waveguide operating up to room temperature

D. M. Di Paola, P. M. Walker, R. P.A. Emmanuele et al
Nature Communications. Vol. 12 (1)
Artikel i vetenskaplig tidskrift
2020

Polariton relaxation and polariton nonlinearities in nonresonantly cw-pumped III-nitride slab waveguides

Joachim Ciers, D. D. Solnyshkov, G. Callsen et al
PHYSICAL REVIEW B. Vol. 102 (15)
Artikel i vetenskaplig tidskrift

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