Abstract

We experimentally demonstrate the possibility of agile multicasting for wavelength division multiplexing (WDM) networks, of a single-channel to two and seven channels over the C band, also extendable to S and L bands. This is based on cascaded χ(2) nonlinear mixing processes, namely, second-harmonic generation (SHG)–sum-frequency generation (SFG) and difference-frequency generation (DFG) in a 20-mm-long step-chirped periodically poled lithium niobate crystal, specially designed and fabricated for a 28-nm-wide SH–SF bandwidth centered at around 1.55 μm. The multiple idlers are simultaneously tuned by detuning the pump wavelengths within the broad SH–SF bandwidth. By selectively tuning the pump wavelengths over less than 10 and 6 nm, respectively, multicasting into two and seven idlers is successfully achieved across 70 WDM channels within the 50 GHz International Telecommunication Union grid spacing.

© 2013 Optical Society of America

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References

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2010

2008

2007

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

2006

2005

Y. Zhou and G.-S. Poo, Opt. Switching Netw. 2, 176 (2005).
[CrossRef]

2003

1999

Ahlawat, M.

Asobe, M.

Brener, I.

Cha, M.

Chen, X.

M. Gong, Y. Chen, F. Lu, and X. Chen, Opt. Lett. 35, 2672 (2010).
[CrossRef]

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

Chen, Y.

M. Gong, Y. Chen, F. Lu, and X. Chen, Opt. Lett. 35, 2672 (2010).
[CrossRef]

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

Chou, M. H.

Fejer, M. M.

Gong, M.

Kashyap, R.

Kumar, S.

Langrock, C.

Lu, F.

M. Gong, Y. Chen, F. Lu, and X. Chen, Opt. Lett. 35, 2672 (2010).
[CrossRef]

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

Lu, W.

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

McGeehan, J. E.

Miyazawa, H.

Mori, K.

Nishida, Y.

Pandiyan, K.

Parameswaran, K. R.

Poo, G.-S.

Y. Zhou and G.-S. Poo, Opt. Switching Netw. 2, 176 (2005).
[CrossRef]

Song, H.

Suzuki, H.

Tadanaga, O.

Tehranchi, A.

Tomita, I.

Umeki, T.

Willner, A. E.

Xia, Y.

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

Yamamoto, S.

Yonenaga, K.

Zhang, J.

F. Lu, Y. Chen, J. Zhang, W. Lu, X. Chen, and Y. Xia, Electron. Lett. 43, 1446 (2007).
[CrossRef]

Zhou, Y.

Y. Zhou and G.-S. Poo, Opt. Switching Netw. 2, 176 (2005).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

Theoretical SH and experimental SH–SF power versus wavelength achieved by pump tuning around λ0=1550nm.

Fig. 2.
Fig. 2.

Overlap of six experimentally observed spectra for converting a fixed signal wavelength at 1552.0 nm to dual-idler wavelengths numbered i and i by tuning the pump wavelength over 8 nm located at wavelengths numbered i, for i=1 to 6.

Fig. 3.
Fig. 3.

Experimental and theoretical curves for primary idler versus signal wavelength for pump wavelengths.

Fig. 4.
Fig. 4.

Experimentally observed spectra for agile seven-idler multicasting by detuning (a) one pump and (b) both pumps for a fixed signal at 1563.2 nm.

Equations (1)

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PSHG=8πdeff2Pp2ε0cnp2nSHλp2ωf2(l2m2),

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