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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 36, Iss. 12 — Jun. 15, 2011
  • pp: 2363–2365

Power-efficient impulse radio ultrawideband pulse generator based on the linear sum of modified doublet pulses

S. T. Abraha, C. M. Okonkwo, E. Tangdiongga, and A. M. J. Koonen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 12, pp. 2363-2365 (2011)
http://dx.doi.org/10.1364/OL.36.002363


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Abstract

We propose a new and power-efficient impulse radio ultawideband (IR-UWB) pulse design concept. The proposed concept is based on a linear sum of modified doublet pulses. The proposed concept is both simulated and experimentally demonstrated. The experimental demonstration employs a photonic scheme that generates the designed pulse using two main steps, mainly optical shaping and differential detection. The optical shaping is performed using a single electro-optic modulator biased in the nonlinear portion of its transfer function, and the differential detection is performed using a balanced photodetector. The generated IR-UWB pulse is fully Federal Communications Commission compliant, even in the highly power-restricted global positioning system band. The proposed optical scheme has potential to be integrated on a compact optical chip and thus suitable for reliable, low-cost, high-speed, short-range UWB wireless access, such as in-building networks.

© 2011 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(350.4010) Other areas of optics : Microwaves
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 24, 2010
Revised Manuscript: April 26, 2011
Manuscript Accepted: April 26, 2011
Published: June 15, 2011

Citation
S. T. Abraha, C. M. Okonkwo, E. Tangdiongga, and A. M. J. Koonen, "Power-efficient impulse radio ultrawideband pulse generator based on the linear sum of modified doublet pulses," Opt. Lett. 36, 2363-2365 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-12-2363


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