Abstract

We propose the ultrahigh-speed demultiplexing of Nyquist OTDM signals using an optical Nyquist pulse as both a signal and a sampling pulse in an all-optical nonlinear switch. The narrow spectral width of the Nyquist pulses means that the spectral overlap between data and control pulses is greatly reduced, and the control pulse itself can be made more tolerant to dispersion and nonlinear distortions inside the nonlinear switch. We apply the Nyquist control pulse to the 640 to 40 Gbaud demultiplexing of DPSK and DQPSK signals using a nonlinear optical loop mirror (NOLM), and demonstrate a large performance improvement compared with conventional Gaussian control pulses. We also show that the optimum spectral profile of the Nyquist control pulse depends on the walk-off property of the NOLM.

© 2015 Optical Society of America

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References

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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref] [PubMed]
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    [Crossref]
  10. K. Harako, D. Seya, T. Hirooka, and M. Nakazawa, “640 Gbaud (1.28 Tbit/s/ch) optical Nyquist pulse transmission over 525 km with substantial PMD tolerance,” Opt. Express 21(18), 21062–21075 (2013).
    [Crossref] [PubMed]
  11. H. Hu, D. Kong, E. Palushani, J. D. Andersen, A. Rasmussen, B. M. Sorensen, M. Galili, H. C. Hansen Mulvad, K. J. Larsen, S. Forchhammer, P. Jeppesen, and L. K. Oxenløwe, “1.28 Tbaud Nyquist signal transmission using time-domain optical Fourier transformation based receiver,” in CLEO 2013, paper CTh5d.5.
    [Crossref]
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    [Crossref]

2013 (3)

2012 (1)

2010 (1)

2006 (1)

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

2000 (1)

M. Nakazawa, T. Yamamoto, and K. R. Tamura, “1.28 Tbit/s-70 km OTDM transmission using third- and fourth-order simultaneous dispersion compensation with a phase modulator,” Electron. Lett. 36(24), 2027–2029 (2000).
[Crossref]

Boerner, C.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Clausen, A. T.

Ferber, S.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Futami, F.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Galili, M.

Guan, P.

Hansen Mulvad, H. C.

Harako, K.

Hirooka, T.

Hu, H.

Inoue, T.

Jensen, J. B.

Jeppesen, P.

Kasai, K.

Kroh, M.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Kurosu, T.

Ludwig, R.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Marembert, V.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Nakazawa, M.

Namiki, S.

Otuya, D. O.

Oxenløwe, L. K.

Peucheret, C.

Ruan, P.

Schmidt-Langhorst, C.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Schubert, C.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Seya, D.

Tamura, K. R.

M. Nakazawa, T. Yamamoto, and K. R. Tamura, “1.28 Tbit/s-70 km OTDM transmission using third- and fourth-order simultaneous dispersion compensation with a phase modulator,” Electron. Lett. 36(24), 2027–2029 (2000).
[Crossref]

Tan, H. N.

Watanabe, S.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Weber, H. G.

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Yamamoto, T.

M. Nakazawa, T. Yamamoto, and K. R. Tamura, “1.28 Tbit/s-70 km OTDM transmission using third- and fourth-order simultaneous dispersion compensation with a phase modulator,” Electron. Lett. 36(24), 2027–2029 (2000).
[Crossref]

Yoshida, M.

Electron. Lett. (2)

M. Nakazawa, T. Yamamoto, and K. R. Tamura, “1.28 Tbit/s-70 km OTDM transmission using third- and fourth-order simultaneous dispersion compensation with a phase modulator,” Electron. Lett. 36(24), 2027–2029 (2000).
[Crossref]

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, and C. Schubert, “Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission,” Electron. Lett. 42(3), 178–179 (2006).
[Crossref]

Opt. Express (5)

Other (6)

D. Seya, K. Harako, T. Hirooka, and M. Nakazawa, “All-optical high-performance demultiplexing using optical Nyquist pulse sampling,” in Optical Fiber Communication Conference (OFC, 2014), paper W4F.2.
[Crossref]

H. Hu, D. Kong, E. Palushani, J. D. Andersen, A. Rasmussen, B. M. Sorensen, M. Galili, H. C. Hansen Mulvad, K. J. Larsen, S. Forchhammer, P. Jeppesen, and L. K. Oxenløwe, “1.28 Tbaud Nyquist signal transmission using time-domain optical Fourier transformation based receiver,” in CLEO 2013, paper CTh5d.5.
[Crossref]

D. O. Otuya, K. Harako, K. Kasai, T. Hirooka, and M. Nakazawa, “Single-channel 1.92 Tbit/s, 64 QAM coherent orthogonal TDM transmission of 160 Gbaud optical Nyquist pulses with 10.6 bit/s/Hz spectral efficiency,” in Optical Fiber Communication Conference (OFC, 2015), paper M3G.2.
[Crossref]

G. Raybon, A. Adamiecki, P. J. Winzer, M. Montoliu, S. Randel, A. Umbach, M. Margraf, J. Stephan, S. Draving, M. Grove, and K. Rush, “All-ETDM 107-Gbaud PDM-16QAM (856-Gb/s) transmitter and coherent receiver,” European Conference on Optical Communication (ECOC 2013), PD.2.D.3.
[Crossref]

S. Randel, D. Pilori, S. Corteselli, G. Raybon, A. Adamiecki, A. Gnauck, S. Chandrasekhar, P. Winzer, L. Altenhain, A. Bielik, and R. Schmid, “All-electronic flexibly programmable 864-Gb/s single-carrier PDM-64-QAM,” in Optical Fiber Communication Conference (OFC, 2014), paper Th5C.8.
[Crossref]

T. Richter, E. Palushani, C. Schmidt-Langhorst, M. Nölle, R. Ludwig, and C. Schubert, “Single wavelength channel 10.2 Tb/s TDM-data capacity using 16-QAM and coherent detection,” in Optical Fiber Communication Conference (OFC, 2011), paper PDPA9.

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Figures (9)

Fig. 1
Fig. 1 Configuration of all-optical OTDM demultiplexing using NOLM and optical Nyquist sampling pulse.
Fig. 2
Fig. 2 Experimental setup for the all-optical 640 Gbaud Nyquist OTDM demultiplexing of DPSK and DQPSK signals using an optical Nyquist control pulse.
Fig. 3
Fig. 3 Group delay characteristics of highly nonlinear fiber in a NOLM.
Fig. 4
Fig. 4 Optical spectra of a Gaussian (a-1) and a Nyquist control pulse with flat-top (a-2) and non-flat-top profiles (a-3). (b-1)~(b-3) are the corresponding spectra after propagation in the HNLF in the NOLM.
Fig. 5
Fig. 5 Waveforms of a Gaussian (a-1) and a Nyquist control pulse with a flat-top (a-2) and a non-flat-top spectral profile (a-3). (b-1)~(b-3) are the corresponding waveforms after propagation in the HNLF of the NOLM.
Fig. 6
Fig. 6 Comparison of 640 Gbaud Nyquist OTDM demultiplexing using the Gaussian and Nyquist control pulses shown in Figs. 4 and 5. (a) Optical spectra of data and control pulses at the NOLM output, (b) demultiplexed 40 Gbaud waveform.
Fig. 7
Fig. 7 BER of 40 Gbaud DPSK signal demultiplexed with Gaussian and Nyquist control pulses.
Fig. 8
Fig. 8 Group delay characteristics of a highly nonlinear fiber of the NOLM with a reduced walk-off.
Fig. 9
Fig. 9 BER of 40 Gbaud DQPSK signal demultiplexed with Gaussian and Nyquist control pulses.

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R(f)={ T,0|f| 1α 2T T 2 { 1sin[ π 2α (2T|f|1) ] }, 1α 2T |f| 1+α 2T 0,|f| 1+α 2T

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