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  • semiconductor laser A semiconductor material which is designed and grown for the efficient production of short wavelength stimulated emission through high gain as well as low internal losses. Materials with band gap energies which emit radiation efficiently within the...
  • Fabry-Perot laser A laser oscillator in which two mirrors are separated by an amplifying medium with an inverted population, making a Fabry-Perot cavity. Standard diode lasers are Fabry-Perot lasers.
  • distributed feedback (DFB) laser A laser system in which feedback is used to make certain modes in the resonator oscillate more strongly than others. In semiconductor lasers, a periodic corrugation in the active layer replaces the cleaved end mirrors, and the grating spacing is...
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