11 June 2020
Smartphone production falls 10% year-on-year in Q1 and to fall a record 16.5% in Q2
TrendForce has cut its forecast for global annual smartphone production to 1.24 billion units, down 11.3%, given the weakening end-product demand.
11 June 2020
Dual-layer silicon nitride for threshold engineering gallium nitride transistors
A positive shift in threshold voltage has been achieved alongside reduced off-state leakage while maintaining on-current.
11 June 2020
GaN RF market growing at 12% CAGR to $2bn in 2025
Coronavirus outbreak to have minor impact on GaN deployment for 5G in 2020, reckons Yole Développement.
11 June 2020
Eta Research demonstrates GaN-on-GaN epitaxy of vertical power device structures
Other potential device structures include LEDs and lasers on n-type GaN wafers and HEMTs on semi-insulating GaN wafers, says Eta Research.
11 June 2020
Seeking lower-cost non- and semi-polar gallium nitride light-emitters
Researchers use cryogenic treatment to separate epitaxial layer overgrowth bars from growth substrate, allowing reuse of hyper-expensive material.
11 June 2020
High-index-contrast gratings for III-nitride vertical-cavity surface-emitting laser diodes
Researchers hope to enable device thickness reduction, polarization-pinning, and easier setting of the resonance wavelength.
11 June 2020
Green VCSEL enabled by curved mirror process
Room-temperature, continuous-wave operation demonstrated, along with incorporation in a white-light combination with blue and red VCSELs.
11 June 2020
Excitonic complexes in 2D semiconductors exploited to achieve optical gain
The prospect of low-power nanolasers using two-dimensional materials targets high-speed communications in supercomputing and data-center applications.
