Integrated optical components on lithium niobate play a major role in standard high-speed
communication systems. Over the last two decades, after the birth and positioning of …

Nonclassical states of light are an essential resource for many emerging quantum
technologies and applications ranging from information processing, encrypted …

Interference between independent single photons is perhaps the most fundamental
interaction in quantum optics. It has become increasingly important as a tool for optical …

Quantum measurements using single-photon detectors are opening interesting new
perspectives in diverse fields such as remote sensing, quantum cryptography and quantum …

Entanglement swap** at telecom wavelengths is at the heart of quantum networking in
optical fiber infrastructures. Although entanglement swap** has been demonstrated …

We present a source of polarization entangled photon pairs based on spontaneous
parametric downconversion engineered for frequency uncorrelated telecom photon …

In spontaneous parametric down conversion (SPDC) based quantum information
processing (QIP) experiments, there is a tradeoff between the coincidence count rates (ie the …

Photon entanglement has a range of applications from secure communication to the tests of
quantum mechanics. Utilizing optical nonlinearity for the generation of entangled photons …

The realization of an ultra‐fast source of heralded single photons emitted at the wavelength
of 1540 nm is reported. The presented strategy is based on state‐of‐the‐art telecom …

In this article we present a directly diode-pumped high-power Kerr-lens mode-locked Yb:
CALGO bulk laser oscillator operating at 1-GHz repetition rate. We report on two laser …