Abstract

A high-speed wavelength tunable differential phase-shift-keying (DPSK) signal demodulator is presented using a phase modulator (PM) based fiber loop mirror filter. By controlling the birefringence of the PM inside the loop through electro-optic effect, wavelength tuning speed of tens of GHz and tuning range of over two free spectral ranges are achieved. Stable filter spectra with extinction ratio over 30 dB are obtained through the tuning process. By combining the birefringence of polarization maintaining fiber and PM, error-free demodulation performance is experimentally achieved throughout the wavelength tuning range for DPSK signals with flexible bit-rate range from 2.5 to 10Gb/s. This design significantly improves the wavelength tuning speed and is potentially valuable for high-speed switching and tuning applications.

© 2014 Optical Society of America

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2013 (2)

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

J. Du and C. Shu, IEEE J. Lightwave Technol. 31, 2307 (2013).
[CrossRef]

2012 (2)

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, Opt. Lett. 37, 4738 (2012).
[CrossRef]

2011 (1)

2010 (1)

2009 (1)

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

2008 (3)

2007 (1)

2005 (2)

M. P. Fok, K. L. Lee, and C. Shu, IEEE Photon. Technol. Lett. 17, 1393 (2005).
[CrossRef]

C. W. Chow and H. K. Tsang, IEEE Photon. Technol. Lett. 17, 1313 (2005).
[CrossRef]

2004 (1)

1997 (2)

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

1994 (2)

E. A. Swanson, J. C. Livas, and R. S. E. Bondurant, IEEE Photon. Technol. Lett. 6, 263 (1994).
[CrossRef]

F. Zhang and J. W. Y. Lit, Appl. Opt. 33, 3604 (1994).
[CrossRef]

1980 (1)

K. Kubota, J. Noda, and O. Mikami, J. Quant. Electron. 16, 754 (1980).
[CrossRef]

Allen, C.

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

Allen, C. T.

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

Belmonte, M.

Bondurant, R. S. E.

E. A. Swanson, J. C. Livas, and R. S. E. Bondurant, IEEE Photon. Technol. Lett. 6, 263 (1994).
[CrossRef]

Cheng, Z.

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, Opt. Lett. 37, 4738 (2012).
[CrossRef]

Chow, C. W.

C. W. Chow and H. K. Tsang, IEEE Photon. Technol. Lett. 17, 1313 (2005).
[CrossRef]

Dai, Y.

Demarest, K.

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

Du, J.

Fang, Q.

Fang, X.

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

Feng, H.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Fok, M. P.

M. P. Fok and C. Shu, Opt. Lett. 33, 2845 (2008).
[CrossRef]

M. P. Fok, K. L. Lee, and C. Shu, IEEE Photon. Technol. Lett. 17, 1393 (2005).
[CrossRef]

Galzerano, G.

Gatti, D.

Guglierame, A.

Hu, W.

Janner, D.

Jaouën, Y.

Ji, H.

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

Kang, J. U.

Kim, D. H.

Kubota, K.

K. Kubota, J. Noda, and O. Mikami, J. Quant. Electron. 16, 754 (1980).
[CrossRef]

Kwong, D. L.

Laporta, P.

Lee, K. L.

M. P. Fok, K. L. Lee, and C. Shu, IEEE Photon. Technol. Lett. 17, 1393 (2005).
[CrossRef]

Lei, G. K. P.

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

J. Du, Y. Dai, G. K. P. Lei, W. Tong, and C. Shu, Opt. Express 18, 7917 (2010).
[CrossRef]

Li, C.

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

Liow, T. Y.

Lit, J. W. Y.

Livas, J. C.

E. A. Swanson, J. C. Livas, and R. S. E. Bondurant, IEEE Photon. Technol. Lett. 6, 263 (1994).
[CrossRef]

Lo, G. Q.

Lo, S. M. G.

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

Longhi, S.

Mikami, O.

K. Kubota, J. Noda, and O. Mikami, J. Quant. Electron. 16, 754 (1980).
[CrossRef]

Noda, J.

K. Kubota, J. Noda, and O. Mikami, J. Quant. Electron. 16, 754 (1980).
[CrossRef]

Pelz, L.

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

Pincemin, E.

Shi, J.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Shu, C.

J. Du and C. Shu, IEEE J. Lightwave Technol. 31, 2307 (2013).
[CrossRef]

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

Y. Dai and C. Shu, Opt. Express 19, 2952 (2011).
[CrossRef]

J. Du, Y. Dai, G. K. P. Lei, W. Tong, and C. Shu, Opt. Express 18, 7917 (2010).
[CrossRef]

M. P. Fok and C. Shu, Opt. Lett. 33, 2845 (2008).
[CrossRef]

M. P. Fok, K. L. Lee, and C. Shu, IEEE Photon. Technol. Lett. 17, 1393 (2005).
[CrossRef]

Song, J.

Su, Y.

Swanson, E. A.

E. A. Swanson, J. C. Livas, and R. S. E. Bondurant, IEEE Photon. Technol. Lett. 6, 263 (1994).
[CrossRef]

Tao, S. H.

Tong, W.

Tsang, H. K.

K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, Opt. Lett. 37, 4738 (2012).
[CrossRef]

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

C. W. Chow and H. K. Tsang, IEEE Photon. Technol. Lett. 17, 1313 (2005).
[CrossRef]

Wong, C.

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

Wong, C. Y.

Xiao, S.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Xu, K.

K. Xu, Z. Cheng, C. Y. Wong, and H. K. Tsang, Opt. Lett. 37, 4738 (2012).
[CrossRef]

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

Xu, L.

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

Yang, P.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Yi, L.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

L. Yi, Y. Jaouën, W. Hu, J. Zhou, Y. Su, and E. Pincemin, Opt. Lett. 32, 3182 (2007).
[CrossRef]

Yu, M. B.

Zhang, F.

Zhou, J.

Zhou, Z.

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Appl. Opt. (1)

IEEE J. Lightwave Technol. (1)

J. Du and C. Shu, IEEE J. Lightwave Technol. 31, 2307 (2013).
[CrossRef]

IEEE Photon. Technol. Lett. (6)

K. Xu, G. K. P. Lei, S. M. G. Lo, Z. Cheng, C. Shu, and H. K. Tsang, IEEE Photon. Technol. Lett. 24, 1221 (2012).
[CrossRef]

X. Fang, K. Demarest, H. Ji, C. Allen, and L. Pelz, IEEE Photon. Technol. Lett. 9, 1490 (1997).
[CrossRef]

E. A. Swanson, J. C. Livas, and R. S. E. Bondurant, IEEE Photon. Technol. Lett. 6, 263 (1994).
[CrossRef]

C. W. Chow and H. K. Tsang, IEEE Photon. Technol. Lett. 17, 1313 (2005).
[CrossRef]

X. Fang, H. Ji, C. T. Allen, K. Demarest, and L. Pelz, IEEE Photon. Technol. Lett. 9, 458 (1997).
[CrossRef]

M. P. Fok, K. L. Lee, and C. Shu, IEEE Photon. Technol. Lett. 17, 1393 (2005).
[CrossRef]

J. Quant. Electron. (1)

K. Kubota, J. Noda, and O. Mikami, J. Quant. Electron. 16, 754 (1980).
[CrossRef]

Opt. Commun. (1)

H. Feng, S. Xiao, L. Yi, Z. Zhou, P. Yang, and J. Shi, Opt. Commun. 294, 134 (2013).
[CrossRef]

Opt. Express (4)

Opt. Lett. (4)

Photon. Technol. Lett. (1)

L. Xu, C. Li, C. Wong, and H. K. Tsang, Photon. Technol. Lett. 21, 295 (2009).

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Figures (6)

Fig. 1.
Fig. 1.

Experiment setup of the PM-LMF based DPSK demodulation. DFB, distributed feedback laser, PM1-PM2, phase modulators; SMF, standard single mode fiber, DCF, dispersion compensating fiber, PMF, polarization maintaining fiber, PC1-PC2 polarization controllers, VOA, variable optical attenuator, PD, photo detector, BERT, bit error rate tester.

Fig. 2.
Fig. 2.

(a) Measured transmission spectra of the PM-LMF, (b) wavelength shift in response to different applied voltages. Inset: tuning speed measurement.

Fig. 3.
Fig. 3.

Measured 10Gb/s DPSK demodulated eye diagrams and the corresponding optical spectra with PM-LMF during tuning process. (a)–(b) Aligned, (c)–(d) Misaligned by 5 pm, (e)–(f) Misalignment is compensated.

Fig. 4.
Fig. 4.

BER performance of 10Gb/s DPSK signals demodulated by MZDI, aligned, misaligned and compensated PM-LMF.

Fig. 5.
Fig. 5.

BER performance of 10Gb/s DPSK signals demodulated at different tuning voltages.

Fig. 6.
Fig. 6.

BER performance and eye diagrams of demodulated 2.5Gb/s, 5Gb/s and 10Gb/s DPSK signals at different tuning voltages.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

φ(λ)=2πλ(BPMF·LPMF±BPM·LPM),
Δλ=λ2BPMF·LPMF±BPM·LPM.
T(λ)=12[1cos(φ(λ))].

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