A broad line red light generator for an RGB display, comprising: a single transverse mode SM pulsed ytterbium Yb fiber laser pump source configured to emit pulsed pump light in a fundamental mode FM at a pump wavelength which is selected from a 1030 - 1120 nm wavelength range, the Yb fiber laser pump source configured with a master oscillator power fiber amplifier MOPFA scheme that includes a broad spectral linewidth diode laser with a polarization-maintaining PM fiber pigtail emitting the pulsed pump light at the pump wavelength and a PM fiber booster configured to output the pulsed pump light with a peak power of several kilowatts kW; a SM fiber Raman converter having a multi-meter long length and spliced to an output of the Yb fiber laser pump source and having a core with a multi-micron core diameter guiding the pulsed pump light, and a cladding surrounding the core, wherein the Raman converter induces an "n" order frequency Stokes shift of the pulsed pump light to output the pump light at a desired Raman-shifted wavelength which varies between 1220 and 1300 nm and has a broad spectral linewidth of at least 10 nm, wherein "n" is an integer; and a single pass second harmonic generator SHG including a lithium triborate LBO nonlinear optical crystal which receives the pulsed pump light at the Raman-shifted wavelength and has a spectral acceptance linewidth which is sufficient to cover the broad spectral linewidth of the pulsed pump light, wherein the SHG generates a SM pulsed broad spectral linewidth red light at half the desired Raman-shifted wavelength with a broad spectral linewidth of at least 5 nm. a single transverse mode SM pulsed ytterbium Yb fiber laser pump source configured to emit pulsed pump light in a fundamental mode FM at a pump wavelength which is selected from a 1030 - 1120 nm wavelength range, the Yb fiber laser pump source configured with a master oscillator power fiber amplifier MOPFA scheme that includes a broad spectral linewidth diode laser with a polarization-maintaining PM fiber pigtail emitting the pulsed pump light at the pump wavelength and a PM fiber booster configured to output the pulsed pump light with a peak power of several kilowatts kW; a SM fiber Raman converter having a multi-meter long length and spliced to an output of the Yb fiber laser pump source and having a core with a multi-micron core diameter guiding the pulsed pump light, and a cladding surrounding the core, wherein the Raman converter induces an "n" order frequency Stokes shift of the pulsed pump light to output the pump light at a desired Raman-shifted wavelength which varies between 1220 and 1300 nm and has a broad spectral linewidth of at least 10 nm, wherein "n" is an integer; and a single pass second harmonic generator SHG including a lithium triborate LBO nonlinear optical crystal which receives the pulsed pump light at the Raman-shifted wavelength and has a spectral acceptance linewidth which is sufficient to cover the broad spectral linewidth of the pulsed pump light, wherein the SHG generates a SM pulsed broad spectral linewidth red light at half the desired Raman-shifted wavelength with a broad spectral linewidth of at least 5 nm. <EOS>