We report the generation of a new type of laser transverse mode that is analogous to a SU(2) elliptical wave packet of a quantum harmonic oscillator. Experimental results show that using a doughnut pump profile to excite an isotropic microchip laser in a spherical cavity can generate the elliptical transverse modes. The formation of elliptical transverse modes is found to be a spontaneous locking process of Hermite-Gaussian modes within the same family. The chaotic relaxation oscillation caused by the interaction of two nearly degenerate elliptical modes is also observed. 5555 2002 The American Physical Society.
|頁（從 - 到）||1-6|
|期刊||Physical Review A - Atomic, Molecular, and Optical Physics|
|出版狀態||Published - 1 十一月 2002|