Frequency comb synthesized microwaves have been so far realized with tabletop systems,
operated in well-controlled environments. Here, we demonstrate state-of-the-art ultrastable …

In this article, we develop the theory of a special type of optoelectronic phase-locked loop
(PLL). The output signal of this type of PLL is in the electrical domain and its reference …

Precision measurements represent a cornerstone in fundamental science. The capability of
observing and quantifying subtle phenomena and events allows new discoveries and it …

Optical frequency measurements are among the most precise tools available to science.
With the rapid advances in optical clocks now achieving a low 10− 17 stability at 1 s and …

We report in this Letter the outstanding frequency stability performance of an autonomous
cryogenic sapphire oscillator (CSO) presenting a flicker frequency noise floor below 2× 10 …

This article analyses the effect of noise and nonlinearity in optoelectronic phase-locked
loops (OEPLLs). The OEPLL phase-locks a microwave oscillator on the envelope of the …

By treating a regeneratively mode-locked laser with a short ring length of 5.85 m as a
coupled optoelectronic (OE) RF oscillator, the microwave quality factor (Q _ RF) of its ring …

In this paper, the theory of phase-locking of a microwave oscillator on the interharmonics, ie
non-integer harmonics, of the repetition rate of the optical pulse train of a mode-locked laser …

An improved version of the transportable photonic microwave oscillator based on the He–
Ne/CH 4 optical frequency standard (OFS)(=) and the femtosecond Er fiber laser optical-to …

We have developed a transportable laboratory sample of a photonic microwave oscillator
(PMO) based on an optical frequency standard (He–Ne/CH4 laser, λ= 3.39 μm) and an …