Abstract

An optical free-space wavelength-division-multiplexing (WDM) transport system employing vertical cavity surface emitting lasers and spatial light modulators with 16-quadrature amplitude modulation orthogonal frequency-division multiplexing modulating signals over a 17.5 m free-space link is proposed and demonstrated. With the help of a low-noise amplifier and data comparator, good bit error rate performance is obtained for each optical channel. Such an optical free-space WDM transport system would be attractive for providing services including data and telecommunication services.

© 2014 Optical Society of America

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References

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2013 (1)

2012 (5)

2010 (1)

H. Henniger and O. Wilfert, Radioengineering 19, 203 (2010).

Carpenter, J.

Chang, C. H.

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

W. Y. Lin, C. Y. Chen, H. H. Lu, C. H. Chang, Y. P. Lin, H. C. Lin, and H. W. Wu, Opt. Express 20, 9919 (2012).
[CrossRef]

Chen, C. W.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Chen, C. Y.

Chen, Z. Y.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Chi, N.

Chi, Y. C.

Dummer, M.

K. Johnson, M. Hibbs-Brenner, W. Hogan, and M. Dummer, Adv. Opt. Technol. 2012, 569379 (2012).
[CrossRef]

Henniger, H.

H. Henniger and O. Wilfert, Radioengineering 19, 203 (2010).

Hibbs-Brenner, M.

K. Johnson, M. Hibbs-Brenner, W. Hogan, and M. Dummer, Adv. Opt. Technol. 2012, 569379 (2012).
[CrossRef]

Hogan, W.

K. Johnson, M. Hibbs-Brenner, W. Hogan, and M. Dummer, Adv. Opt. Technol. 2012, 569379 (2012).
[CrossRef]

Huang, H. T.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Jiang, C. H.

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

Johnson, K.

K. Johnson, M. Hibbs-Brenner, W. Hogan, and M. Dummer, Adv. Opt. Technol. 2012, 569379 (2012).
[CrossRef]

Lin, C. T.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Lin, G. R.

Lin, H. C.

Lin, W. Y.

Lin, Y. P.

Lin, Y. T.

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

Lu, H. H.

Peng, P. C.

Y. C. Chi, H. Y. Wang, P. C. Peng, H. H. Lu, and G. R. Lin, Opt. Express 20, 20071 (2012).
[CrossRef]

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

Shang, H.

Sun, J. W.

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

Thomsen, B. C.

Wang, H. Y.

Wang, Y.

Wei, C. C.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Wilfert, O.

H. Henniger and O. Wilfert, Radioengineering 19, 203 (2010).

Wilkinson, T. D.

Wu, F. M.

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

Wu, H. W.

Yu, J.

Adv. Opt. Technol. (1)

K. Johnson, M. Hibbs-Brenner, W. Hogan, and M. Dummer, Adv. Opt. Technol. 2012, 569379 (2012).
[CrossRef]

J. Lightwave Technol. (1)

Opt. Commun. (1)

P. C. Peng, C. H. Chang, H. H. Lu, Y. T. Lin, J. W. Sun, and C. H. Jiang, Opt. Commun. 285, 3093 (2012).
[CrossRef]

Opt. Express (3)

Radioengineering (1)

H. Henniger and O. Wilfert, Radioengineering 19, 203 (2010).

Other (1)

F. M. Wu, C. T. Lin, C. C. Wei, C. W. Chen, Z. Y. Chen, and H. T. Huang, in Conference on Optical Fiber Communication (2013), paper OTh1G4.

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Figures (6)

Fig. 1.
Fig. 1.

Experimental configuration of our proposed optical free-space WDM transport systems.

Fig. 2.
Fig. 2.

Optical spectrum of (a) VCSEL1, (b) VCSEL2, (c) VCSEL3, and (d) VCSEL4.

Fig. 3.
Fig. 3.

Functional block diagram of the data comparator.

Fig. 4.
Fig. 4.

Electrical spectrum of the 2.5Gbps/2.5GHz 16-QAM-OFDM signal of VCSEL1 channel.

Fig. 5.
Fig. 5.

Measured BER curves of VCSEL1 channel at a data stream of 2.5Gbps/2.5GHz.

Fig. 6.
Fig. 6.

(a) Constellation map and (b) eye diagram of VCSEL1 channel over a 17.5 m free-space link.

Tables (1)

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Table 1. Measured BER/EVM/SNR Values

Equations (1)

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Pr=Pt·APD(Div·L)2·e(α·L),

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