Lithium niobate (LN), first synthesized 70 years ago, has been widely used in diverse
applications ranging from communications to quantum optics. These high-volume …

Optical frequency combs (OFCs) are a unique kind of light source, which are represented as
a series of equally spaced coherent spectral lines in the frequency domain. OFCs can …

Optical isolators are indispensable components of almost any optical system and are used
to protect a laser from unwanted reflections for phase-stable coherent operation. The …

Mode-locked lasers (MLLs) generate ultrashort pulses with peak powers substantially
exceeding their average powers. However, integrated MLLs that drive ultrafast …

Integrated electro-optic (EO) frequency combs are essential components for future
applications in optical communications, light detection and ranging, optical computation …

Optical frequency division based on bulk or fiber optics provides unprecedented spectral
purity for microwave oscillators. To extend the applications of this approach, the challenges …

Manipulating the frequency and bandwidth of nonclassical light is essential for implementing
frequency-encoded/multiplexed quantum computation, communication, and networking …

Access to the internet by mobile terminals relies on the transmission of information from the
optical fibre backbone to wireless networks. Fronthaul, as the last mile of fibre-wireless …

Optical frequency combs have revolutionized precision measurement, time-keeping and
molecular spectroscopy,,,,,–. A substantial effort has developed around 'microcombs' …

On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be mass-manufactured in semiconductor processing …