نتایج جستجو برای: quantum interference
تعداد نتایج: 386868 فیلتر نتایج به سال:
Scaling up quantum technologies entails the challenge of developing large-scale and high-performance photonic networks. Engineering novel optical components, with a compact footprint advanced functionalities, might help addressing this by reducing size complexity Here, interference phenomena in Wilkinson power dividers (WPDs), popular element microwave networks, is investigated. It theoreticall...
Superconductors are excellent thermal insulators at low temperatures owing to the presence of an energy gap in their density states1. Through so-called proximity effect2, superconductors can influence states nearby metallic or superconducting wires. In this way, local a wire be tuned by controlling phase bias (φ) imposed across it3. Here we demonstrate quantum interference transistor (T-SQUIPT)...
The separability of the continuous-variable EPR state can be tested with Hanbury-Brown and Twiss type interference. The second-order visibility of such interference can provide an experimental test of entanglement. It is shown that time-resolved interference leads to the Hong, Ou and Mandel deep, that provides a signature of quantum non-separability for pure and mixed EPR states. A Hanbury-Brow...
Near-infrared Hong-Ou-Mandel quantum interference is observed in silicon nanophotonic directional couplers with raw visibilities on-chip at 90.5%. Spectrally-bright 1557-nm two-photon states are generated in a periodically-poled KTiOPO₄ waveguide chip, serving as the entangled photon source and pumped with a self-injection locked laser, for the photon statistical measurements. Efficient four-po...
Photonics is a leading approach in realizing future quantum technologies and recently, optical waveguide circuits on silicon chips have demonstrated high levels of miniaturization and performance. Multimode interference (MMI) devices promise a straightforward implementation of compact and robust multiport circuits. Here, we show quantum interference in a 2 × 2 MMI coupler with visibility of V=9...
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