A stimulated Brillouin scattering (SBS) gyroscope , comprising: an optical resonator ; a first laser device in optical communication with the optical resonator , the first laser device configured to emit a first optical signal that propagates in a first direction in the optical resonator , wherein the first optical signal produces a first SBS signal in the optical resonator that counter-propagates in a second direction opposite from the first direction; and a second laser device in optical communication with the optical resonator , the second laser device configured to emit a second optical signal that propagates in the first direction, in the optical resonator , wherein the second optical signal produces a second SBS signal in the optical resonator that counter-propagates in the second direction; characterized in that the SBS gyroscope further comprises: a third laser device in optical communication with the optical resonator , the third laser device configured to emit a third optical signal that propagates in the second direction in the optical resonator , wherein the third optical signal produces a third SBS signal in the optical resonator that counter-propagates in the first direction; and at least one photodetector operatively coupled to the optical resonator and configured to receive the first, second, and third SBS signals from the optical resonator ; wherein the first, second, and third SBS signals are combined in the at least one photodetector to produce first and second electrical signals, which include rotational rate information encoded in frequencies of the first and second electrical signals. an optical resonator ; a first laser device in optical communication with the optical resonator , the first laser device configured to emit a first optical signal that propagates in a first direction in the optical resonator , wherein the first optical signal produces a first SBS signal in the optical resonator that counter-propagates in a second direction opposite from the first direction; and a second laser device in optical communication with the optical resonator , the second laser device configured to emit a second optical signal that propagates in the first direction, in the optical resonator , wherein the second optical signal produces a second SBS signal in the optical resonator that counter-propagates in the second direction; characterized in that the SBS gyroscope further comprises: a third laser device in optical communication with the optical resonator , the third laser device configured to emit a third optical signal that propagates in the second direction in the optical resonator , wherein the third optical signal produces a third SBS signal in the optical resonator that counter-propagates in the first direction; and at least one photodetector operatively coupled to the optical resonator and configured to receive the first, second, and third SBS signals from the optical resonator ; a third laser device in optical communication with the optical resonator , the third laser device configured to emit a third optical signal that propagates in the second direction in the optical resonator , wherein the third optical signal produces a third SBS signal in the optical resonator that counter-propagates in the first direction; and at least one photodetector operatively coupled to the optical resonator and configured to receive the first, second, and third SBS signals from the optical resonator ; wherein the first, second, and third SBS signals are combined in the at least one photodetector to produce first and second electrical signals, which include rotational rate information encoded in frequencies of the first and second electrical signals. <EOS>