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 …

The burgeoning of artificial intelligence has brought great convenience to people's lives as
large-scale computational models have emerged. Artificial intelligence-related applications …

Rare earth emitters enable critical quantum resources including spin qubits, single photon
sources, and quantum memories. Yet, probing of single ions remains challenging due to low …

Abstract Lithium-Niobate-On-Insulator (LNOI) is emerging as a promising platform for
integrated quantum photonic technologies because of its high second-order nonlinearity …

Scalable photonic quantum computing architectures pose stringent requirements on
photonic processing devices. The needs for low-loss high-speed reconfigurable circuits and …

A grating coupler with a high coupling efficiency and low back reflections is designed and
demonstrated on the thin film lithium niobate platform, which facilitates an efficient interface …

Grating couplers that interconnect photonic chips to off-chip components are crucial for
various optoelectronics applications. Despite numerous efforts in past decades, the existing …

Efficient fiber-to-chip couplers for multi-port access to photonic integrated circuits are
paramount for a broad class of applications, ranging, eg, from telecommunication to …

The two-qubit controlled-NOT gate is one of the central entangling operations in quantum
information technology. The controlled-NOT gate for single photon qubits is normally …

Thin-film lithium niobate (TFLN) based integrated photonic devices have been intensively
investigated due to their promising properties, enabling various on-chip applications …