Optical fiber communication 112021/2/19 经过L的光纤后,E2输出 exp(jB.L)+ exp(jBRL p(,L)+exp(BRD) 2-Lexp(-iB,L)-exp(-JiBRL COS BIL+COS BRL sin pR SIn BIL SIn R -B exp(-i BR+BLL) COs Q2 exp( BR+B sin o1 -11 Copyright Wang Yan 2021/2/19 Optical fiber communications 经过 L的光纤后， E2 输出   ( ) ( )   L L j j L LL L L L L j j L j L j L j L j L j j L j E R L R R L R L R L R L R L L R L R L R L R 2 2 ) 2 exp( sin cos ) 2 exp( 2 sin 2 cos sin sin cos cos 21 exp( ) exp( ) exp( ) exp( ) 21 exp 1 21 exp 1 21 2                      = −  = + −    = + −   −− =   −+ =  − − − − − + − = −   − +  − =