1SEEDS A J . Microwave photonics [J ]. IEEE Trans. Microwave Theory Tech, 2002, 50(3) :877 - 887.
2CASTLEFORD D ,NIRMALATHAS A, NOVAK D ,et al. Optical crosstalk in fiber radio WDM networks [J]. IEEE Trans. Microwave Theory Tech, 2001 ,49(10):2030 - 2035.