this disclosure is generally concerned with optical modules . in one example , an optical module provided that includes a pair of optical subassemblies , each of which includes a port housing within which a corresponding optical component is disposed . the optical module further includes a pair of electrically conductive elements configured to facilitate control of emi . each of the electrically conductive elements is disposed on a respective port housing such that a gap is present between the first and second electrically conductive elements and the first and second electrically conductive elements do not contact each other .