We investigate experimentally the transition to phase synchronization in coupled Nd:YAG lasers. As the coupling strength increases, the phase difference of two chaotic laser outputs develops from nonsynchronous to a phase-synchronous state via ±2π phase jumps. We analyze this transition.
© 2001 Optical Society of America
K. V. Volodchenko, V. N. Ivanov, Sung-Huan Gong, Muhan Choi, Young-Jai Park, and Chil-Min Kim, "Phase synchronization in coupled Nd:YAG lasers," Opt. Lett. 26, 1406-1408 (2001)