Intracavity gain gratings are theoretically demonstrated to exhibit diffraction efficiencies much larger than unity at pumping powers below lasing threshold. Experiments performed using a Nd-YVO4microlaser demonstrate huge enhancements of diffraction efficiency and angular selectivity.
© 2007 OSA
A. Moreau, Q. He, I. Zaquine, A. Maruani, and R. Frey, "Gain Grating in a Nd:YVO4 Microlaser," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper JWA89.
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