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The circular polarisation of gravitational waves from core collapsesupernovae has been proposed as a probe to investigate the rotation andphysical features inside the core of the supernovae. However, it is stillunclear as to how detectable the circular polarisation of gravitational waveswill be. We developed an algorithm referred to as the Stokes CircularPolarisation algorithm for the computation of the Stokes parameters that workswith the burst search pipeline coherent WaveBurst. Employing the waveform SFHxand the algorithm, we estimate the detectability of the circular polarisationsignatures (V mode of the Stokes parameters) for sources across the sky atthree different distances 2, 5, and 10 kpc, for a network of gravitational wavedetectors consisted of advanced LIGO, advanced VIRGO and KAGRA. Using the Bayesfactor, we found that for 2 kpc and 5 kpc, the majority of the sources (99.9%and 58.2% respectively) will have their V mode detectable, while for 10 kpc, nosignificant V mode is detectable. In addition, the significance of the V modesignature are consistent with the recoverability of the two polarisations ofgravitational waves with respect to the network.

Estimate of the Detectability of the Circular Polarisation Signature of Supernova Gravitational Waves Using the Stokes Parameters