The present invention relates to a bituminous composition comprising at least one bitumen and at least one polycondensate capable of forming a supramolecular assembly comprising one or more associative group. In one embodiment of the present invention, A photonic-interconnect system comprises a photonic interconnect coupled to a photonic device. Additionally included is a hanger assembly for hanging an item from the fixture, where the hanger assembly is adjustable along the body of the fixture.