Abstract

This study examines the performance of peak-clipped optical BPSK-SSB signal. The effectiveness of peak clipping for PAPR reduction and the degradation caused by peak clipping are numerically analyzed. PAPR of optical BPSK-SSB signal becomes high because of the peaky Hilbert-transformed signal component. PAPR improvement of 43.7% is attained by clipping the peaks of the Hilbert-transformed signal. Assessment of spectral degradation reveals that both waveform clipping and modulator nonlinearity contribute to sideband suppression degradation. Analyses of the 100-km transmitted signal results show that PAPR reduction by peak clipping alleviates the nonlinear phase shift caused by self-phase modulation (SPM), which produces a less degraded signal at the detector. Peak clipping can improve the SPM threshold of the studied system by 2.63 dB.

© 2015 Optical Society of America

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References

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2012 (2)

2011 (2)

2010 (1)

2009 (1)

D. W. Lim, S. J. Heo, and J. S. No, “An overview of peak-to-average power ratio reduction schemes for OFDM signals,” J. Commun. and Network 11(3), 229–239 (2009).
[Crossref]

2008 (2)

2005 (1)

K. Takano, Y. Naganuma, and K. Nakagawa, “Performance analysis of optical single sideband modulation based on Mach-Zhender interferometers and its dispersive fiber transmission,” IEICE Trans. Commun. E88-B(5), 1994–2003 (2005).
[Crossref]

2004 (1)

K. Takano, N. Sakamoto, and K. Nakagawa, “SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats,” Electron. Lett. 40(18), 1150–1151 (2004).
[Crossref]

2001 (1)

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

1999 (1)

1998 (2)

M. Y. Frankel and R. D. Esman, “Optical single-sideband suppressed-carrier modulator for wide-band signal processing,” J. Lightwave Technol. 16(5), 859–863 (1998).
[Crossref]

X. Li and L. J. Cimini., “Effects of clipping and filtering on the performance of OFDM,” IEEE Commun. Lett. 2(5), 131–133 (1998).
[Crossref]

Baeuerle, B.

Bao, H.

Barros, D. J. F.

Becker, J.

Ben-Ezra, S.

Bosco, G.

Carena, A.

Cimini, L. J.

X. Li and L. J. Cimini., “Effects of clipping and filtering on the performance of OFDM,” IEEE Commun. Lett. 2(5), 131–133 (1998).
[Crossref]

Conradi, J.

Cotter, D.

Curri, V.

Dodds, D. E.

Dreschmann, M.

Ellis, A. D.

Esman, R. D.

Forghieri, F.

Frankel, M. Y.

Freude, W.

Hashimoto, Y.

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

Heo, S. J.

D. W. Lim, S. J. Heo, and J. S. No, “An overview of peak-to-average power ratio reduction schemes for OFDM signals,” J. Commun. and Network 11(3), 229–239 (2009).
[Crossref]

Higuma, K.

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

Hillerkuss, D.

Huebner, M.

Ip, E.

Izutsu, M.

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

Kahn, J. M.

Koos, C.

Lau, A. P. T.

Leuthold, J.

Li, X.

X. Li and L. J. Cimini., “Effects of clipping and filtering on the performance of OFDM,” IEEE Commun. Lett. 2(5), 131–133 (1998).
[Crossref]

Lim, D. W.

D. W. Lim, S. J. Heo, and J. S. No, “An overview of peak-to-average power ratio reduction schemes for OFDM signals,” J. Commun. and Network 11(3), 229–239 (2009).
[Crossref]

Ludwig, A.

Malouin, C.

Meyer, J.

Meyer, M.

Murakami, T.

Naganuma, Y.

K. Takano, Y. Naganuma, and K. Nakagawa, “Performance analysis of optical single sideband modulation based on Mach-Zhender interferometers and its dispersive fiber transmission,” IEICE Trans. Commun. E88-B(5), 1994–2003 (2005).
[Crossref]

Nagata, H.

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

Nakagawa, K.

K. Takano, T. Murakami, Y. Sawaguchi, and K. Nakagawa, “Influence of self-phase modulation effect on waveform degradation and spectral broadening in optical BPSK-SSB fiber transmission,” Opt. Express 19(10), 9699–9707 (2011).
[Crossref] [PubMed]

K. Takano, Y. Naganuma, and K. Nakagawa, “Performance analysis of optical single sideband modulation based on Mach-Zhender interferometers and its dispersive fiber transmission,” IEICE Trans. Commun. E88-B(5), 1994–2003 (2005).
[Crossref]

K. Takano, N. Sakamoto, and K. Nakagawa, “SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats,” Electron. Lett. 40(18), 1150–1151 (2004).
[Crossref]

Nebendahl, B.

No, J. S.

D. W. Lim, S. J. Heo, and J. S. No, “An overview of peak-to-average power ratio reduction schemes for OFDM signals,” J. Commun. and Network 11(3), 229–239 (2009).
[Crossref]

Oikawa, S.

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

Poggiolini, P.

Sakamoto, N.

K. Takano, N. Sakamoto, and K. Nakagawa, “SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats,” Electron. Lett. 40(18), 1150–1151 (2004).
[Crossref]

Sawaguchi, Y.

Schmidt, T. J.

Schmogrow, R.

Shieh, W.

Sieben, M.

Takano, K.

K. Takano, T. Murakami, Y. Sawaguchi, and K. Nakagawa, “Influence of self-phase modulation effect on waveform degradation and spectral broadening in optical BPSK-SSB fiber transmission,” Opt. Express 19(10), 9699–9707 (2011).
[Crossref] [PubMed]

K. Takano, Y. Naganuma, and K. Nakagawa, “Performance analysis of optical single sideband modulation based on Mach-Zhender interferometers and its dispersive fiber transmission,” IEICE Trans. Commun. E88-B(5), 1994–2003 (2005).
[Crossref]

K. Takano, N. Sakamoto, and K. Nakagawa, “SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats,” Electron. Lett. 40(18), 1150–1151 (2004).
[Crossref]

Tang, Y.

Winter, M.

Wolf, S.

Zhang, B.

Zhao, J.

Electron. Lett. (2)

K. Higuma, S. Oikawa, Y. Hashimoto, H. Nagata, and M. Izutsu, “X-cut lithium niobate optical single-sideband modulator,” Electron. Lett. 37(8), 515–516 (2001).
[Crossref]

K. Takano, N. Sakamoto, and K. Nakagawa, “SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats,” Electron. Lett. 40(18), 1150–1151 (2004).
[Crossref]

IEEE Commun. Lett. (1)

X. Li and L. J. Cimini., “Effects of clipping and filtering on the performance of OFDM,” IEEE Commun. Lett. 2(5), 131–133 (1998).
[Crossref]

IEICE Trans. Commun. (1)

K. Takano, Y. Naganuma, and K. Nakagawa, “Performance analysis of optical single sideband modulation based on Mach-Zhender interferometers and its dispersive fiber transmission,” IEICE Trans. Commun. E88-B(5), 1994–2003 (2005).
[Crossref]

J. Commun. and Network (1)

D. W. Lim, S. J. Heo, and J. S. No, “An overview of peak-to-average power ratio reduction schemes for OFDM signals,” J. Commun. and Network 11(3), 229–239 (2009).
[Crossref]

J. Lightwave Technol. (4)

Opt. Express (5)

Other (4)

B. P. Lathi and Z. Ding, Modern Digital and Analog Communication Systems (Oxford, 2009).

K. Takano, Y. Ichijo, K. Oikawa, M. Sugimoto, and K. Nakagawa, “Peak level mitigation of optical SSB modulation using highpass Hilbert transformations,” in Proceedings of Asia-Pacific Microwave Photonic Conference 2012 (APMP 2012), paper WB-5.

K. I. A. Sampath and K. Takano, “PAPR reduction technique for optical SSB modulation using peak folding,” in Proceedings of the 20th OptoElectronics and Communications Conference (OECC 2015), paper JTuA.35.

G. P. Agrawal, Nonlinear Fiber Optics (Academic, 2010).

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Figures (7)

Fig. 1
Fig. 1 Optical BPSK-SSB transmitter: (a) schematic of phase-shift method optical BPSK-SSB transmitter based on LN vector modulator and (b) peak clipping of the Hilbert-transformed signal.
Fig. 2
Fig. 2 Peak clipped optical BPSK-SSB signal: (a) waveforms of the output optical power of the LN vector modulator, (b)–(e) power spectra of the LN vector modulator output.
Fig. 3
Fig. 3 Upper row: power spectra of peak clipped optical BPSK-SSB signal generated by linear modulator. Lower row: power spectra of the Hilbert-transformed signal before and after clipping ((e) before clipping, (f)-(h) after clipping).
Fig. 4
Fig. 4 PAPR and SSR characteristics of peak clipped optical BPSK-SSB signal. Inset, definition of SSR.
Fig. 5
Fig. 5 Simulated fiber transmission setup.
Fig. 6
Fig. 6 Eye diagrams of the transmitted signal (PIN: 9 dBm, k: 20 dB), (a) back-to-back eye diagram, (b)–(e) respectively show eye diagrams of the transmitted signal when modulation depth were 0.1, 0.4, 0.6, and 1.0.
Fig. 7
Fig. 7 Eye opening penalty (EOP) of peak clipped optical BPSK-SSB signal. Inset: definition of eye opening (EO).

Tables (1)

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Table 1 Fiber parameters

Equations (2)

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H( ω )={ jsgn( ω ) ( ω0 ) 0 ( ω=0 ) .
EOP= E R ( α SMF L SMF × α DCF L DCF ) E T ,

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