Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

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

Integrated femtosecond pulse and frequency comb sources are critical components for a
wide range of applications, including optical atomic clocks, microwave photonics …

Photonic integrated circuits have the potential to pervade into multiple applications
traditionally limited to bulk optics. Of particular interest for new applications are ferroelectrics …

Lithium niobate (LN) has experienced significant developments during past decades due to
its versatile properties, especially its large electro-optic (EO) coefficient. For example, bulk …

Electro-optic modulators (EOMs) convert signals from the electrical to the optical domain.
They are at the heart of optical communication, microwave signal processing, sensing, and …

Driven by narrow-linewidth bench-top lasers, coherent optical systems spanning optical
communications, metrology and sensing provide unrivalled performance. To transfer these …

Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

Integrated photonics will play a key role in quantum systems as they grow from few-qubit
prototypes to tens of thousands of qubits. The underlying optical quantum technologies can …

The scale-up of quantum hardware is fundamental to realize the full potential of quantum
technology. Among a plethora of hardware platforms, photonics stands out: it provides a …