Spectrum congestion and demand for higher data rates are driving a push towards higher
carrier frequencies in wireless communications, necessitating sources of exceptionally pure …

Optical-frequency synthesizers, which generate frequency-stable light from a single
microwave-frequency reference, are revolutionizing ultrafast science and metrology, but …

We demonstrate a stable and linear photonic radio frequency (RF) phase shifter based on a
differential-group-delay element and the polarization sensitive effect of an optical phase …

Microwave photonics offers transformative capabilities for ultra-wideband electronic signal
processing and frequency synthesis with record-low phase noise levels. Despite the intrinsic …

This paper presents a new technique for realizing continuous 0°-360° RF signal phase shift
over a very wide bandwidth. It is based on using single-sideband modulation together with …

Optical frequency synthesizers have widespread applications in optical spectroscopy,
frequency metrology, and many other fields. However, their applicability is currently limited …

Integrated-photonics microchips now enable a range of advanced functionalities for high-
coherence applications such as data transmission, highly optimized physical sensors, and …

Ultralow jitter optical pulse sources are much needed in optical communications, optical
sampling, and metrology applications. We report a coupled optoelectronic oscillator …

Controlling the temporal and spectral properties of light is crucial for many applications.
Current state-of-the-art techniques for shaping the time-and/or frequency-domain field of an …

A new photonic microwave phase shifter that can achieve a full 360° phase shift with very
little RF signal amplitude variation, and which can operate over very wide frequency range …