'A' cited 'B'.

'A'
Title: Experimental investigation on wavelength-tunable chaos generation and synchronization
Author(s): Sang XZ (Sang Xin-Zhu), Yu CX (Yu Chong-Xiu), Wang KR (Wang Kui-Ru)
Source: ACTA PHYSICA SINICA 55 (11): 5728-5732 NOV 2006
Authors' address:
Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China

'B'
Title: Experiments on chaos synchronization in two separate erbium-doped fiber lasers
Author(s): Kim S, Lee B, Kim DH
Source: IEEE PHOTONICS TECHNOLOGY LETTERS 13 (4): 290-292 APR 2001