Abstract
This paper discusses key results in the field of high speed optical networking with particular focus on packet-based systems. Schemes for optical packet labeling, packet switching and packet synchronization will be discussed, along with schemes for optical clock recovery, channel identification and detection of ultra-high-speed optical signals.
Highlights
The ever-present demand for increased data bandwidth is pushing research and development in the field of optical communication in many different directions
The availability of high performance space switches would significantly improve the scaling potential of such optical switching schemes
Data synchronization according to this scheme can correct the clock offset with such precision that the synchronized data can be time division multiplexed (TDM) multiplexed into a data stream of pulses running at the reference frequency f, achieving a total aggregated pulse rate of 1.29 Tbit/s while still allowing for error free (BER < 10−9) detection of the synchronized data pulses
Summary
The ever-present demand for increased data bandwidth is pushing research and development in the field of optical communication in many different directions. In this paper we will focus on aspects of optical networking more specific to running a network at ultra-high data rates In this case conversion between optical (o) and electrical (e) signals, i.e., e/o and o/e conversion, becomes non-trivial and should be avoided in the network except at the data origin and the data destination. This means that a number of tasks which are typically carried out by electronic circuits in more conventional optical transmission will be implemented optically. The key functionalities for high-speed optical networking which will be discussed in this paper are listed below: Optical labeling of data packets. These six topics will be discussed and the paper will be concluded with a general discussion of the achieved results for ultra-high-speed optical networking
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