1.  Materials for mid-IR and THz Sources: 
  • Active ion-doped dielectric and semiconductor crystals
  • Semiconductor materials and structures
  • Specialty nonlinear fibers
  • Nanomaterials
  • Nonlinear optical materials and structures for mid-IR
 2.  Mid-IR and THz Coherent Sources: 
  • Semiconductor lasers
  • Mid-IR and THz quantum cascade lasers
  • Optically pumped semiconductor lasers
  • Solid-state and fiber lasers
  • Optical parametric sources
  • Ultrashort pulse lasers and frequency combs
  • High-intensity ultrafast sources
  • High-power, high-energy sources
  • Broadband and continuum sources
  • THz generation with ultrashort pulsed lasers and nonlinear optics
3.  Applications of mid-IR and THz sources in:
  • Remote sensing, imaging
  • Spectroscopy, trace gas detection, breath analysis
  • Optical frequency synthesis, comb spectroscopy
  • Laser surgery, biomedicine
  • Materials processing
  • Optical microscopy, biophotonics
  • Nonlinear optics, attosecond physics