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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 5 — Mar. 1, 2014
  • pp: 1201–1203

Photonic generation of background-free millimeter-wave ultra-wideband pulses based on a single dual-drive Mach–Zehnder modulator

Wei Li, Wen Ting Wang, Wen Hui Sun, Li Xian Wang, and Ning Hua Zhu  »View Author Affiliations


Optics Letters, Vol. 39, Issue 5, pp. 1201-1203 (2014)
http://dx.doi.org/10.1364/OL.39.001201


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Abstract

We propose a novel photonic approach for generating a background-free millimeter-wave (MMW) ultra-wideband (UWB) signal based on a conventional dual-drive Mach–Zehnder modulator (DMZM). One arm of the DMZM is driven by a local oscillator (LO) signal. The LO power is optimized to realize optical carrier suppressed modulation. The other arm is fed by a rectangular signal. The MMW UWB pulses are generated by truncating the continuous wave LO signal into a pulsed one in a photodetector (PD). The generated MMW UWB signal is background-free by eliminating the baseband frequency components because the optical power launched to the PD keeps constant all the time. The proposed method is theoretically analyzed and experimentally verified. The generated MMW UWB signal centered at a frequency of 26 GHz meets the Federal Communications Commission spectral mask very well.

© 2014 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
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Optoelectronics

History
Original Manuscript: November 26, 2013
Revised Manuscript: January 9, 2014
Manuscript Accepted: January 17, 2014
Published: February 21, 2014

Citation
Wei Li, Wen Ting Wang, Wen Hui Sun, Li Xian Wang, and Ning Hua Zhu, "Photonic generation of background-free millimeter-wave ultra-wideband pulses based on a single dual-drive Mach–Zehnder modulator," Opt. Lett. 39, 1201-1203 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-5-1201

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