Synchronous operation of the closure of two spark gap switches was studied by triggering them under capacitively and optically (UV) coupled conditions. The combined action of electrical coupling and optical coupling resulted in effective synchronization between the closures of the two gaps yielding controllable delay and near jitter-free operation as compared to the case of only electrical coupling. This is attributed to the generation of photoelectrons in the inter-electrode gap in the case of optical coupling that reduced the formation time lag, and in turn, the delay and jitter.