Return the instantaneous coherent fluxes and photometric fluxes for a
    multiway multimode combiner (no spatial filtering)

def MultimodeCombine(pupils):
    """
    Return the instantaneous coherent fluxes and photometric fluxes for a
    multiway multimode combiner (no spatial filtering)
    """
    fluxes=[np.vdot(pupils[i],pupils[i]).real for i in range(len(pupils))]
    coherentFluxes=[np.vdot(pupils[i],pupils[j])
                    for i in range(1,len(pupils))
                    for j in range(i)]
    return fluxes,coherentFluxes