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  "path": "/nanotechnology-news3/newsid=68768.php",
  "publishedAt": "2026-02-27T16:01:43.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Researchers demonstrate that femtosecond laser-induced transient Pauli blocking can achieve ultrafast, broadband optical switching from visible to near-infrared.",
  "title": "Femtosecond laser pulses enable ultrafast broadband optical switching"
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