Abstract

A novel (to our knowledge) and flexible photonics-based downconversion scheme is proposed for wireless receivers in base stations. It allows simultaneous detection of multiple signals at carriers up to tens of gigahertz, enabling communications at millimeter waves. Experiments demonstrate the effective downconversion of Wi-Fi signals at 2.4 and 39.8 GHz with the error vector magniture <43dB.

© 2012 Optical Society of America

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References

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  1. “Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2011–2016,” http://www.cisco.com .
  2. “WiGig white paper,” http://wigig.org/specifications .
  3. A. Feldster, Y. P. Shapira, M. Horowitz, A. Rosenthal, S. Zach, and L. Singer, J. Lightwave Technol. 27, 1027 (2009).
    [CrossRef]
  4. D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
    [CrossRef]
  5. G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
    [CrossRef]

2009 (1)

1997 (2)

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
[CrossRef]

Ahmed, Z.

G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
[CrossRef]

Chen, A.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Chen, D.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Dalton, L. R.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Feldster, A.

Fetterman, H. R.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Horowitz, M.

Novak, D.

G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
[CrossRef]

Rosenthal, A.

Shapira, Y. P.

Shi, Y.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Singer, L.

Smith, G. H.

G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
[CrossRef]

Steier, W. H.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Wang, W.

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

Zach, S.

Appl. Phys. Lett. (1)

D. Chen, H. R. Fetterman, A. Chen, W. H. Steier, L. R. Dalton, W. Wang, and Y. Shi, Appl. Phys. Lett. 70, 3335(1997).
[CrossRef]

J. Lightwave Technol. (1)

Trans. Microwave Theory Tech. (1)

G. H. Smith, D. Novak, and Z. Ahmed, Trans. Microwave Theory Tech. 45, 1410 (1997).
[CrossRef]

Other (2)

“Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2011–2016,” http://www.cisco.com .

“WiGig white paper,” http://wigig.org/specifications .

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Figures (5)

Fig. 1.
Fig. 1.

Experimental setup. LO, Local oscillator; MLL, mode-locked laser; MZM, Mach–Zehnder modulator; DCF, dispersion compensating fiber; TIA, transimpedance amplifier. Insets: waveforms of the pulses before and after the DCF, as seen by a broadband photodiode (30 GHz bandwidth).

Fig. 2.
Fig. 2.

Electrical spectrum [resolution bandwidth (RBW): 3 MHz] of the multiband RF signal. Insets: OFDM spectra (RBW: 100 kHz) at 2.425 GHz (right) and at 39.825 GHz (left), with a 22 MHz bandwidth.

Fig. 3.
Fig. 3.

Detected signals from DC to 400 MHz (RBW: 400 kHz).

Fig. 4.
Fig. 4.

Electrical spectrum (RBW: 3 MHz) of the downconverted signal (a) without the DCF and (b) with the DCF, at constant optical power at the PD. In (a) the frequency components show a flat profile, whereas in (b) the energy is concentrated at low frequencies.

Fig. 5.
Fig. 5.

EVM versus modulating signal power at (a) 2.425 GHz and (b) 39.825 GHz bands. Insets: Constellations at minimum EVM.

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