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Photonic ultrawideband impulse radio shape modulation based on dual-filter tuning |
Optics Letters, Vol. 38, Issue 2, pp. 232-234 (2013)
http://dx.doi.org/10.1364/OL.38.000232
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Abstract
A simple and flexible photonic scheme for the generation of ultrawideband (UWB) pulse shape modulation based on dual-filter tuning is proposed and experimentally demonstrated. By launching a Gaussian signal into a phase modulator, the UWB polarity-switchable monocycle is generated at the output of two optical bandpass filters by adjusting the central wavelengths of the dual-filter appropriately. The doublet pulses with inverted polarities are obtained by combining the pair of UWB monocycle pulses under proper time delay. Meanwhile, with a predefined code pattern and controlling the optical path difference of the two monocycle pulses, the pulse shape modulation can be performed.
© 2013 Optical Society of America
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(350.4010) Other areas of optics : Microwaves
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: October 4, 2012
Revised Manuscript: November 27, 2012
Manuscript Accepted: December 18, 2012
Published: January 14, 2013
Citation
Jing Shao and Junqiang Sun, "Photonic ultrawideband impulse radio shape modulation based on dual-filter tuning," Opt. Lett. 38, 232-234 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-2-232
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