Physics and Applications of Dilute Nitrides. An Atomistic View of the Electronic Structure of Mixed Anion III–V Nitrides. Band Anticrossing in III-N-V Alloys. Tight-Binding and k·p Theory of Dilute Nitride Alloys. Electronic Properties of (Ga,In)(N,As)-Based Heterostructures. Theory of Defects in Dilute Nitrides. Growth, Characterization, and Band-Gap Engineering of Dilute Nitrides. GaInNAs Long-Wavelength Lasers.