>
Turning Point USA to Host Charlie Kirk Memorial at 63,400-Seat State Farm Stadium
"TEST Her First!" - Do This BEFORE You Get Married | Charlie Kirk
AI, Inevitability, & Human Sovereignty
Tesla Megapack Keynote LIVE - TESLA is Making Transformers !!
Methylene chloride (CH2Cl?) and acetone (C?H?O) create a powerful paint remover...
Engineer Builds His Own X-Ray After Hospital Charges Him $69K
Researchers create 2D nanomaterials with up to nine metals for extreme conditions
The Evolution of Electric Motors: From Bulky to Lightweight, Efficient Powerhouses
3D-Printing 'Glue Gun' Can Repair Bone Fractures During Surgery Filling-in the Gaps Around..
Kevlar-like EV battery material dissolves after use to recycle itself
Laser connects plane and satellite in breakthrough air-to-space link
Lucid Motors' World-Leading Electric Powertrain Breakdown with Emad Dlala and Eric Bach
Murder, UFOs & Antigravity Tech -- What's Really Happening at Huntsville, Alabama's Space Po
They used
* 30 single-photon interferometers in total.
* The outputs are detected by 48 single-photon detectors
Scheme and experimental setup for creating and verifying 18-qubit GHZ state consisting of six photons and three degrees of freedom. a. The generation of six-photon polarization-entangled GHZ state. An ultrafast laser with a central wavelength of 788 nm, a pulse duration of 120 fs and a repetition rate of 76 MHz is focused on a lithium triborate (LBO) and up-converted to 394 nm. The ultraviolet laser is focused on three custom-designed sandwich-like nonlinear crystals, each consists of two 2-mm thick β-barium borates (BBOs) and one half-wave plate (HWP), to produce three pairs of entangled photons. In each output, two pieces of YVO4 crystals with different thickness and orientation are used for spatial and temporal compensation for the birefringence effects. The three pairs of entangled photons are combined on two polarizing beam splitters (PBSs) to generate a six-photon polarization-entangled GHZ state. b.