This paper reviews the topic of true time delay (TTD) and its importance and implications in
wideband imaging phased arrays. The paper describes an early analog version of TTD …

This tutorial review paper deals with various methods for solving a basic problem of
wideband phased arrays, ie beam squinting, using optical technologies. The problem of …

Experimental results for an optical-control technique for implementing a true time-delay
function for array antennas are reported. A microwave signal is transmitted on a wavelength …

Microwave photonics is a rapidly-growing interdisciplinary field linking microwave and
optical technologies. This paper intends to trace the evolution of microwave photonics over …

Integrated microwave photonics (IMWP) is concerned with applying integrated photonics
technology to microwave photonic systems. It is one of the most active and exciting areas of …

A true time-delay beamformer based on a fiber-optic dispersive prism is developed and
characterized. The beamformer is used to control an ultrawideband time-steered array …

We demonstrate the design, fabrication, and characterization of a 4-bit tunable delay in an
ultra-low-loss Si 3 N 4 planar platform. Temporal delays up to 12.35 ns with resolution of …

The emerging new concepts and technologies based on microwave photonics have led to
an ever increasing interest in developing innovative radar systems with a net gain in …

Advanced Array Systems, Applications and RF Technologies adopts a holistic view of arrays
used in radar, electronic warfare, communications, remote sensing and radioastronomy …

The accurate calibration of large-scale switch networks is critical for integrated photonics, in
which the integrated optical true time delay chip is typical. In this work, a novel self …