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Intense Femtosecond Lasers Trigger Ultrafast Optical Switching in Doped Semiconductors - bioengineer.orgbioengineer.org · Tue, 04 Aug 2026 12:43:18 GMTFirst Photonic Time Crystal Halves Terahertz Losses: Gold Metamaterial Opens Route to New Lasers - Tech TimesTech Times · Fri, 31 Jul 2026 02:10:31 GMT