5 Key Takeaways

• 1

  A chip-based Mamyshev oscillator delivers femtosecond pulses for supercontinuum and terahertz spectroscopy without extra amplification.

• 2

  The laser produced a 176 megahertz pulse train with energies over one nanojoule, achieving 147 femtoseconds after compression.

• 3

  Magnetically reconfigurable nanoprobe swarms enhance Raman signal strength and reproducibility in biological environments.

• 4

  A mid-infrared computational spectrometer reconstructs spectra using photonic crystal waveguides and thermal tuning on a silicon platform.

• 5

  A new XAS setup provides parallel bulk and interface-sensitive views of water near solid surfaces, revealing distinct behaviors.