| 摘要 |
A signal light propagating through an optical network is modulated using a control light having information concerning the optical network, without performing photoelectric conversion, to thereby reduce a power loss. An optical modulator (1) combines and inputs a signal light (E s ) propagating through the optical network and a control light (E Ct ) having information concerning the optical network to a nonlinear optical medium. The optical modulator (1) modulates the signal light (E s ) according to changes in intensity of the control light (E Ct ), in the nonlinear optical medium. |
