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#terahertz — Public Fediverse posts

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  1. Shaping light like never before – with photonic time crystals: Experimental breakthrough unlocks ultrafast control of light in the #terahertz range

    Team from #l'X, #collègedefrance, and #HZDR has achieved a world first: the experimental realization of an all-optical #photonic time crystal.

    #PTC #TELBE

    Image: B. Schröder/HZDR

    ▶️ www.hzdr.de/presse/ptc

  2. US scientists shrink terahertz lab onto a chip, bring faster wireless tech closer

    Repost to help others discover this.

    1ban.news/terahertz-lab-on-chi

    #1ban #terahertz #lab #chip #ucla #tech

  3. `..normally buried underneath the phase noise of the terahertz oscillator, these minuscule changes in carrier density can be observed as a baseband signal in complex reflection measurements using a homodyne quadrature receiver. Due to the high sensitivity of this transceiver, sub-wavelength targets can be effectively monitored.. These experimental results demonstrate the ability of terahertz waves to non-invasively monitor semiconductor device activity.`

    doi.org/10.1109/JMW.2026.36534

    #terahertz

  4. Ein neuartiges #Terahertz-Mikroskop macht erstmals die ultraschnellen Bewegungen supraleitender Elektronen auf Quantenebene sichtbar - ein wichtiger Schritt Richtung Raumtemperatur-Supraleiter. winfuture.de/news,156738.html?

  5. Next-generation #wireless networks need a new kind of antenna. Engineers just built one that reaches 75% of the space around it, handles multiple devices at once, and does it all without moving parts. It's a step toward #6G networks that move data closer toward #terahertz speeds.

    What Makes This Terahertz Chip...

  6. `Our resonant rectifiers inherently act as second-order harmonic generators, rectifying currents without the presence of a potential barrier. Particle-in-cell simulations reveal that femtosecond electron-surface scattering plays a critical role in this process.`

    pubs.acs.org/doi/10.1021/acsna

    #terahertz

  7. Reading magnetic states faster – in far infrared: Team of #HZDR and TU Dortmund University provides proof of feasibility of ultrafast data storage. Instead of electrical pulses, they use ultrashort #terahertz light pulses, enabling the read-out of magnetic structures within #picoseconds.

    ▶️ hzdr.de/presse/usmr

    Image: B. Schröder/HZDR

  8. "Here, we show that chirality of either handedness can be induced in the nonchiral piezoelectric material boron phosphate..by irradiation with terahertz pulses. Resonant excitation of either one of two orthogonal, degenerate vibrational modes determines the sign of the induced chiral order parameter... Our findings offer new prospects for the control of out-of-equilibrium quantum phenomena in complex materials."

    science.org/doi/10.1126/scienc

    #chirality #terahertz #materials