Long-distance ranging is a crucial tool for both industrial and scientific applications. Laser-based distance metrology offers unprecedented precision making it the ideal approach many deployments. In particular, dual-comb favorable due to its inherently high sampling rate. To make high-performance long-range LiDAR more accessible by reducing cost complexity, here we demonstrate fiber-based frontend combined with free-running diode-pumped solid-state laser that allows sub-µm measurement...

Phase shifters are key components of large-scale photonic integrated circuits. For the lithium niobate-on-insulator (LNOI) platform, thermo-optic phase (TOPS) have emerged as a more stable and compact alternative to common electro-optic (EOPSs), which prone anomalous behavior drifting at low frequencies. Here, we model experimentally characterize influence geometry on performance metal strip TOPSs. Compared EOPSs, 10-fold reduction voltage-length product is measured bandwidths beyond 100 kHz...

Abstract Programmable interferometric circuits are at the heart of integrated quantum photonic processors. While lithium niobate-on-insulator platform has potential to advance photonics due its strong nonlinearity and tight mode confinement, demonstration reconfigurable two-photon interference not yet been achieved. Here, we design, fabricate characterize building block such networks in form a 2 × Mach–Zehnder Interferometer. We use thermo-optic phase shifter achieve stable performance with...

Optical parametric oscillators (OPOs) have been studied as basic components for optical computing with phase encoding and Ising machines. Integrated photonics offers a scalable solution to incorporate progressively larger number of devices towards functional module. Among the available platforms, lithium niobate on insulator is an excellent candidate this goal thanks its large second order nonlinearity, which can be leveraged via periodic poling thin film. In work, we show device 2.5 mW...

Generating and interfering non-classical states of light is fundamental to optical quantum information science technology. Quantum photonic integrated circuits provide one pathway towards scalability by combining nonlinear sources programmable in centimeter-scale devices. The key requirements for applications include efficient generation indistinguishable photon-pairs high-visibility interference. Here, we demonstrate a lithium niobate-on-insulator (LNOI) circuit that generates two-photon...

Intensity modulators are fundamental components for integrated photonics. From near-infrared (NIR) to visible spectral ranges, they find applications in optical communication and quantum technologies. In particular, required the control manipulation of atomic systems such as clocks computers. Typical electro-optic operating at these wavelengths show high bandwidth low-voltage operation, but their extinction ratios moderate. Here we present an thin-film lithium niobate (EO) modulator C-band,...

Optical quantum communication technologies are making the prospect of unconditionally secure and efficient information transfer a reality. The possibility generating reliably detecting states light, with further need increasing private data-rate is where most research efforts focusing. physical concept entanglement solution guaranteeing highest degree security in device-independent schemes, yet its implementation preservation over long links hard to achieve. Lithium niobate-on-insulator has...

Intensity modulators are fundamental components for integrated photonics. From near infrared to visible spectral ranges, they find applications in optical communication and quantum technologies. In particular, required the control manipulation of atomic systems such as clocks computers. Typical electro-optic operating at these wavelengths show high bandwidth low voltage operation, but their extinction ratios moderate. Here we present an thin-film lithium niobate modulator C-band, which uses...

Optical quantum communication technologies are making the prospect of unconditionally secure and efficient information transfer a reality. The possibility generating reliably detecting states light, with further need increasing private data-rate is where most research efforts focusing. physical concept entanglement solution guaranteeing highest degree security in device-independent schemes, yet its implementation preservation over long links hard to achieve. Lithium niobate-on-insulator has...

Electro-optical modulation is widely employed for optical signal processing and in laser technology. To date, it efficiently realized integrated photonic systems as well bulk optics devices. Yet, the achievement of modulators exploiting Pockels effect flat optics, essential to scale down electric radiation-optical control free space, currently lag behind on-chip platforms terms efficiency speed. We bridge this gap realizing a metasurface based on lithium niobate (LiNbO3) insulator that...

We present a graph-based model for multiple scattering of light in integrated lithium niobate on insulator (LNOI) networks, which describes an open network single-mode waveguides with tunable at the nodes. first validate small scale experimental LNOI resonator devices and show consistent agreement between simulated measured spectral data. Then, is used to demonstrate novel platform on-chip large-scale optical networks up few hundred nodes, behaviour tailored disorder. Combining our simple...

Lithium niobate-on-insulator(LNOI)is a promising platform for integrated photonics due to its exceptional material properties, such as large transparency window, high second order nonlinearity, and thermo- electro-optic effects. These properties make LNOI an ideal candidate generating manipulating quantum states on single chip [1]. One of the key building blocks controlling dual-rail encoded photonic qubits is Mach-Zehnder Interferometer (MZI) switch, which composed two 3 dB directional...

Multiple scattering in complex random media is a resource for computation, the form of reservoir computing [1] as well boson sampling and walks [2]. In this work, we develop lithium niobate on insulator (LNOI) waveguide networks an on-chip platform multiple scattering. This approach combines computational potential with control top-down fabrication, addition electro-optic property LNOI allowing further tuning capabilities [3], resulting integrated devices designed randomness controllable parameters.

We present a graph-based model for multiple scattering of light in integrated lithium niobate on insulator (LNOI) networks, which describes an open network single-mode waveguides with tunable at the nodes. first validate small scale experimental LNOI resonator devices and show consistent agreement between simulated measured spectral data. Then, is used to demonstrate novel platform on-chip large-scale optical networks up few hundred nodes, behaviour tailored disorder. Combining our simple...

We present the modelling and fabrication of a 1x2 multimode interferometer in lithium niobate-on-insulator operating close to visible around 780 nm. measure low excess loss 0 . 16 ± 21 dB extinction ratios up 30 dB.

We demonstrate long-distance ranging with a fiber-frontend-based LiDAR using free-running solid-state dual-comb laser to reduce complexity and increase robustness. A distance of >10 meters moving target can be measured micrometer precision.

We demonstrate long-distance dual-comb ranging with a free-running solid-state laser. Our novel design of the LiDAR frontend allows tracking motion moving targets over distance >10 meters sub-µm precision.