Fibre Bragg grating (FBG) OH suppression is capable of greatly reducing the bright sky background seen by near infrared spectrographs. By filtering out the airglow emission lines at high resolution ...

Abstract: We describe a high-efficiency grating coupler (GC) fabricated on a silicon-on-insulator wafer with 220 nm top silicon layer. One single 60 nm shallow etch is required to define the ...

Abstract: Ensuring adequate wireless coverage in upcoming communication technologies such as 6G is expected to be challenging. This is because user demands of higher data rate require an increase in ...

The Subaru Prime Focus Spectrograph (PFS) is a spectrograph system mounted at the prime focus of the Subaru telescope. Four identical spectrograph modules are fed by a total of ~2400 fibres, allowing ...