An analog radio over fiber (AROF) wavelength division multiplexing system comprising: a plurality of transmitters, each transmitter for receiving a radio frequency input signal and for modulating the radio frequency input signal onto an optical signal to obtain a modulated optical signal; a multiplexer for receiving each modulated optical signal from the plurality of transmitters and for combining the modulated optical signals into a combined optical signal, the multiplexer having a plurality of passbands, each passband having a center wavelength; a demultiplexer for receiving the combined optical signal and for separating the combined optical signal back into the individual modulated optical signals; and a plurality of receivers, each receiver for receiving one of the modulated optical signals from the demultiplexer and for converting the received modulated optical signal into a radio frequency output signal; characterized by a controller configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that a wavelength of the modulated optical signal transmitted by that transmitter is longer than the center wavelength of a corresponding one of the plurality of passbands of the multiplexer; wherein the controller is configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that that transmitter produces the modulated optical signal at an optical frequency that is between 25GHz and 30GHz lower than a center optical frequency of the corresponding passband of the multiplexer; or the controller is configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that that transmitter produces the modulated optical signal at a wavelength that is 0.2 nanometers to 0.24 nanometers longer than the center wavelength of the corresponding passband of the multiplexer. a plurality of transmitters, each transmitter for receiving a radio frequency input signal and for modulating the radio frequency input signal onto an optical signal to obtain a modulated optical signal; a multiplexer for receiving each modulated optical signal from the plurality of transmitters and for combining the modulated optical signals into a combined optical signal, the multiplexer having a plurality of passbands, each passband having a center wavelength; a demultiplexer for receiving the combined optical signal and for separating the combined optical signal back into the individual modulated optical signals; and a plurality of receivers, each receiver for receiving one of the modulated optical signals from the demultiplexer and for converting the received modulated optical signal into a radio frequency output signal; characterized by a controller configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that a wavelength of the modulated optical signal transmitted by that transmitter is longer than the center wavelength of a corresponding one of the plurality of passbands of the multiplexer; wherein the controller is configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that that transmitter produces the modulated optical signal at an optical frequency that is between 25GHz and 30GHz lower than a center optical frequency of the corresponding passband of the multiplexer; or the controller is configured to detune each transmitter, or detune the multiplexer relative to each transmitter, such that that transmitter produces the modulated optical signal at a wavelength that is 0.2 nanometers to 0.24 nanometers longer than the center wavelength of the corresponding passband of the multiplexer.