Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies ...

Optical injection locking is a technique by which the output of a semiconductor laser is stabilised and synchronised to that of an external “master” laser. This method harnesses the coherent ...

Injection locking [1] can not only improve oscillator frequency stability and phase noise, but act as a selective frequency divider as well [2][3]. You can find sample setups of a simple ...

Oscillator injection locking is an interesting subject; however, it seems to be a forgotten circuit concept that can be beneficial in some applications. Wow the engineering world with your unique ...

Professor Scott Diddams: Scott Diddams holds the Robert H. Davis Endowed Chair at the University of Colorado Boulder, where he is also Professor of Electrical Engineering and Physics. He carries out ...

Since the conception of the laser frequency comb in the late 1990s, it has revolutionized the precise measurement of frequency and time. Beyond their initial use in optical clocks and precision ...

A team led by Prof. DONG Chunhua from the University of Science and Technology of China (USTC), in collaboration with Prof. BO Fang's group from Nankai University, has successfully developed a ...

Ringing in the new: microscope image of a ring laser used by the Harvard group. (Courtesy: Capasso Lab/Harvard SEAS) Frequency combs are one of the most important developments in metrology in the 21st ...

An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible -- potentially ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Frequency combs split laser light ...

A new technical paper titled “Mechanical overtone frequency combs” was published by researchers at Delft University of Technology, Ahmedabad University and NIST. “Mechanical frequency combs are poised ...