We found out that the polar pattern for the zinc-blonde InAs LO mode displayed in Fig. 2(b) of our original paper represents the backscattering Raman intensities from a (112) top surface and not as stated in the original manuscript from a (110) top surface. In the latter the LO mode is forbidden for all configurations. In addition, varying the rotation angle H with respect to the 112 direction (see Fig. 1 in the original paper) leads to changes in the polar patterns for the LO mode in case of perpendicular analysis, as illustrated in Fig. 1. For the parallel analyzer this mode is always forbidden. For completeness, the analytical expressions for the Raman intensities for both TO and LO modes as a function of the rotational angle θ and the polarization angle used to obtain the polar plots are given as I_()~(TO)(θ,φ)=1/6d_(TO)~25+3cos(2φ).(1).
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