The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

With the rapid growth of global electro‐mobility, the demand for cobalt is rapidly increasing
because it is currently an indispensable component of the cathode materials in lithium‐ion …

The growth of computing needs for artificial intelligence and machine learning is critically
challenging data communications in today's data-centre systems. Data movement …

Erbium-doped fiber amplifiers revolutionized long-haul optical communications and laser
technology. Erbium ions could provide a basis for efficient optical amplification in photonic …

Photonic integrated circuits are widely used in applications such as telecommunications and
data-centre interconnects,,,–. However, in optical systems such as microwave synthesizers …

The rising demand for high scanning accuracy and resolution in sensors for self-driving
vehicles has led to the rapid development of parallelization in light detection and ranging …

Silicon photonics enables wafer-scale integration of optical functionalities on chip. Silicon-
based laser frequency combs can provide integrated sources of mutually coherent laser …

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

Optical chaos is vital for various applications such as private communication, encryption, anti-
interference sensing, and reinforcement learning. Chaotic microcombs have emerged as …

Modern medicine has been waging a war on cancer for nearly a century with no tangible
end in sight. Cancer treatments have significantly progressed, but the need to increase …