Large area single-mode parity–time-symmetric laser amplifiers

Observation of parity–time symmetry in optics

(2010) Christian E. Rüter et al.   Nature Physics

PT-symmetric laser absorber

(2010) Stefano Longhi   PHYSICAL REVIEW A

High-Power $\hbox{Yb}^\bm 3}{\bm +$-Doped Phosphate Fiber Amplifier

(2009) Yin-Wen Lee et al.   IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS

Gain Filtering for Single-Spatial-Mode Operation of Large-Mode-Area Fiber Amplifiers

(2009) John R. Marciante   IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS

Observation ofPT-Symmetry Breaking in Complex Optical Potentials

(2009) A. Guo et al.   PHYSICAL REVIEW LETTERS

Beam Dynamics inPTSymmetric Optical Lattices

(2008) K. G. Makris et al.   PHYSICAL REVIEW LETTERS