A path length control driver of a ring laser gyroscope comprising: a first piezoelectric assembly, wherein the first piezoelectric assembly includes a first piezoelectric element, a second piezoelectric element, and a first electrode electrically coupled to a positive polarity side of the first piezoelectric element and the second piezoelectric element; a second piezoelectric assembly, wherein the second piezoelectric assembly includes a third piezoelectric element, a fourth piezoelectric element, and a second electrode electrically coupled to a positive polarity side of the third piezoelectric element and the fourth piezoelectric element; a baseplate positioned between the first piezoelectric assembly and the second piezoelectric assembly, the baseplate including a pin extending through the first piezoelectric assembly; a flexible coupling assembly that comprises: a first conductive trace that electrically couples the first electrode to a first wire harness connection point; a second conductive trace that electrically couples the second electrode to a second wire harness connection point; and a third conductive trace that electrically couples the pin to a third wire harness connection point, wherein the pin is coupled to a conductive pad located on the top of flexible coupling assembly; and one or more backside conductive pads electrically coupled to the third conductive trace, wherein the one or more backside conductive pads are bonded to a negative polarity side of the first piezoelectric element by a semi-rigid conductive adhesive that electrically couples the negative polarity side of the first piezoelectric element to the pin, wherein the baseplate is electrically coupled to the third trace through the pin. a first piezoelectric assembly, wherein the first piezoelectric assembly includes a first piezoelectric element, a second piezoelectric element, and a first electrode electrically coupled to a positive polarity side of the first piezoelectric element and the second piezoelectric element; a second piezoelectric assembly, wherein the second piezoelectric assembly includes a third piezoelectric element, a fourth piezoelectric element, and a second electrode electrically coupled to a positive polarity side of the third piezoelectric element and the fourth piezoelectric element; a baseplate positioned between the first piezoelectric assembly and the second piezoelectric assembly, the baseplate including a pin extending through the first piezoelectric assembly; a flexible coupling assembly that comprises: a first conductive trace that electrically couples the first electrode to a first wire harness connection point; a second conductive trace that electrically couples the second electrode to a second wire harness connection point; and a third conductive trace that electrically couples the pin to a third wire harness connection point, wherein the pin is coupled to a conductive pad located on the top of flexible coupling assembly; and one or more backside conductive pads electrically coupled to the third conductive trace, wherein the one or more backside conductive pads are bonded to a negative polarity side of the first piezoelectric element by a semi-rigid conductive adhesive that electrically couples the negative polarity side of the first piezoelectric element to the pin, wherein the baseplate is electrically coupled to the third trace through the pin. a first conductive trace that electrically couples the first electrode to a first wire harness connection point; a second conductive trace that electrically couples the second electrode to a second wire harness connection point; and a third conductive trace that electrically couples the pin to a third wire harness connection point, wherein the pin is coupled to a conductive pad located on the top of flexible coupling assembly; and one or more backside conductive pads electrically coupled to the third conductive trace, wherein the one or more backside conductive pads are bonded to a negative polarity side of the first piezoelectric element by a semi-rigid conductive adhesive that electrically couples the negative polarity side of the first piezoelectric element to the pin, wherein the baseplate is electrically coupled to the third trace through the pin.