Abstract: We propose and validate a new approach for low-back-reflection and high-efficiency silicon waveguide grating couplers (GC) with a fully etched structure. Enhanced coupling efficiency is ...

Hong Kong’s Labour Department has launched a probe into a fatal industrial accident involving a construction worker who died after being crushed by a falling glass panel. Hong Kong West Kowloon ...

Officials said the male worker was struck by a falling glass panel while it was being lifted with a set of lifting equipment. It's understood the accident happened at a site above the Hong Kong ...