Impulse radio ultrawideband pulse shaper based on a programmable photonic chip frequency discriminator

Marpaung, David and Chevalier, Ludovic and Burla, Maurizio and Roeloffzen, Chris (2011) Impulse radio ultrawideband pulse shaper based on a programmable photonic chip frequency discriminator. Optics Express, 19 (25). pp. 24838-24848. ISSN 1094-4087

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Abstract:	We report and experimentally demonstrate the generation of impulse radio ultrawideband (UWB) pulses using a photonic chip frequency discriminator. The discriminator consists of three add-drop optical ring resonators (ORRs) which are fully programmable using thermo-optical tuning. This discriminator chip in combination with a phase modulator forms a temporal differentiator where phase modulation is converted to intensity modulation (PM-IM conversion). By means of tailoring the discriminator response using either the individual or the cascade of drop and through responses of the ORRs, first-order or second-order temporal differentiations are obtained. Using this principle, the generation of UWB monocycle, doublet and modified doublet pulses are demonstrated. The use of this CMOS-compatible discriminator is promising for the realization of a compact and low cost UWB transmitter.
Item Type:	Article
Copyright:	© 2011 Optical Society of America
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Telecommunication Engineering (TE)
Link to this item:	http://purl.utwente.nl/publications/78554
Official URL:	http://dx.doi.org/10.1364/OE.19.024838
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