Orbital Angular Momentum (OAM) modes promise an exciting future for communications due to the infinite number available and their orthogonal nature. However modern implementations of OAM mode communications utilize a multi-element approach to multiplexing. This multi-element approach wastes power and becomes increasingly complex and expensive as the number of modes in the system increases. This makes the multi-approach method not scalable. In this thesis we explore single element OAM multiplexing and de-multiplexing. A system utilizing single element multiplexer and de-multiplexer, was designed built and qualified. We have demonstrated that such a system can easily achieve a BER of less than 1% and is thusly feasible.