Authors: Sai Venkatesh Balasubramanian
The concept of solitons has been successfully utilized in optical communications to handle signal distortion. In this light, the present work explores a signal-oriented perspective of solitons, where it is seen that the impulse responses of semiconductor devices such as PN-diodes and MOSFETs are obtained as solitons. Consequently, a simple circuit involving a single MOS inverter to generate a train of solitons from a sinusoidal input is proposed, designed and implemented in both TCAD Virtual Fabrication and Hardware levels. Following this, the free space optic transmissions of solitons are compared with square and sine wave signals, and it is seen that solitons are able to propagate longer distances with lesser attenuation values. Finally, a soliton free space optic AM communication system is designed and demonstrated in hardware level. The extreme simplicity of the soliton generator circuit owing to its ubiquity, coupled with the longer ranges and lower attenuation values obtained for soliton free space optic transmission forms the novelty of the present work, ultimately leading to next-gen applications such as LiFi.
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[v1] 2015-10-28 20:40:23
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