  To design an efficient interference management and multiple access scheme for
visible light communication (VLC) network, this letter leverages the
non-orthogonal multiple access (NOMA), which has received significant attention
in the $5^{th}$ generation wireless communication. With the residual
interference from the successive interference cancellation in NOMA taken into
account, we optimize the power allocation for NOMA VLC network to improve the
achievable user rate under user quality of service (QoS) constraint. The
performance of the proposed approaches is evaluated by the numerical results.
