An overview of the main technologies behind optical communications

TL;DRAbstract

The optical fibre has often been viewed as a medium of near-infinite bandwidth. This, in conjunction with its incredibly low propagation loss, has established the fibre as the ideal transmission medium, especially for long-distance communications. However, the explosive growth of internet traffic over recent years, has pushed the limits of existing communication networks, and is posing serious questions on how much information can actually be carried in an optical fibre and the restrictions of the current methods and technologies we use to transmit information.<br/> This talk will outline some of the technologies that have been central in the evolution of optical fibre communications over the years and have eventually revolutionised the way we communicate. A brief reference will be made to some of the historical developments in the field, and their transformational effects. In a similar fashion, the talk will review the challenges faced ahead and will suggest some areas of resear

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