Periodic structures with a sub‐wavelength pitch have been known since Hertz conducted his
first experiments on the polarization of electromagnetic waves. While the use of these …

Silicon photonics has experienced phenomenal transformations over the last decade. In this
paper, we present some of the notable advances in silicon-based passive and active optical …

The ability to control multidimensional quantum systems is central to the development of
advanced quantum technologies. We demonstrate a multidimensional integrated quantum …

Over the last 20 years, silicon photonics has revolutionized the field of integrated optics,
providing a novel and powerful platform to build mass-producible optical circuits. One of the …

Integrated optics provides a versatile platform for quantum information processing and
transceiving with photons,,,,,,–. The implementation of quantum protocols requires the …

Optical phased arrays (OPAs), the optical counterpart of phased arrays at radio frequencies,
can electronically steer an optical beam without any moving parts. To achieve a 180° field of …

Solid-state spin defects are a promising platform for quantum science and technology. The
realization of larger-scale quantum systems with solid-state defects will require high-fidelity …

Future wireless communication networks will need to handle data rates of tens or even
hundreds of Gbit s− 1 per link, requiring carrier frequencies in the unallocated THz …

Implementing large instances of quantum algorithms,,,–requires the processing of many
quantum information carriers in a hardware platform that supports the integration of different …

We present a simple and practical strategy that allows to design high-efficiency grating
couplers. The technique is based on the simultaneous apodization of two structural …