Abstract

We propose and demonstrate an in-band optical signal-to-noise ratio (OSNR) monitoring technique using the output power ratio (PR) of the nonlinear optical loop mirror (NOLM) theoretically and experimentally. Operation point (OP) is investigated to be the input average power which corresponds to the first maximum of the power ratio curve. The monitoring performances using PR are proved to be better than those just using one output port of NOLM for on-off keying (OOK) and differential phase-shift-keying (DPSK) signals with different duty cycles: non-return-to-zero (NRZ), carrier-suppressed return-to zero (CSRZ), return-to-zero (RZ) with 50% and 33% duty cycle (RZ 50 and RZ 33) at 40 Gb/s. For 80 Gb/s RZ-differential quadrature phase-shift keying (DQPSK) signal, we obtained 12.16 dB maximum power variation and 13–39.8 dB monitoring range experimentally. The power ratio scheme can improve the contrast ratio by 7.05 dB and the monitoring range by 13.8 dB compared with that just using the transmission port. The tolerance to residual chromatic dispersion of the monitoring performance is investigated to be less than 1.7 ps/nm. The experimental validations are consistent with the theoretical analyses. The proposed scheme can be used in ultra-speed transmission systems.

© 2012 IEEE

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  2. J. Lee, H. Choi, S. Shin, Y. Chung, "A review of the polarization-nulling technique for monitoring optical signal-to-noise ratio in dynamic WDM network," J. Lightw. Technol. 24, 4162-4171 (2006).
  3. P. Winzer, G. Raybon, H. Song, A. Adamiecki, A. Gnauck, D. Fishman, C. Doerr, S. Chandrasekhar, L. Buhl, T. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).
  4. B. Kozicki, O. Takuya, T. Hidehiko, "Optical performance monitoring of phase-modulated signals using asynchronous amplitude histogram analysis," J. Lightw. Technol. 26, 1353-1361 (2008).
  5. T. Shen, K. Meng, A. Lau, Z. Dong, "Optical performance monitoring using artificial neural network trained with asynchronous amplitude histograms," IEEE Photon. Technol. Lett. 22, 1665-1667 (2010).
  6. F. Khan, A. Lau, Z. Li, C. Lu, P. Wai, "OSNR monitoring for RZ-DQPSK systems using half-symbol delay-tap sampling technique," IEEE Photon. Technol. Lett. 22, 823-825 (2010).
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2011

C. Courvoisier, J. Fatome, C. Finot, "Measurement of residual chromatic dispersion or OSNR via nonlinear spectral evolution," IEEE Photon. Technol. Lett. 23, 537-539 (2011).

P. Guan, T. Hirano, K. Harako, Y. Tomiyama, T. Hirooka, M. Nakazawa, "2.56 Tbit/s/ch polarization-multiplexed DQPSKtransmission over 300 km using time-domain optical fourier transformation," Opt. Express 19, B567-B573 (2011).

2010

T. Vo, M. Pelusi, J. Schröder, F. Luan, S. Madden, D. Choi, D. Bulla, B. Davies, B. Eggleton, "Simultaneous multi-impairment monitoring of 640 Gb/s signals using photonic chip based RFspectrum analyzer," Opt. Express 18, 3938-3945 (2010).

T. Shen, A. Lau, G. Liu, "OSNR monitoring for higher order modulation formats using asynchronous amplitude histogram," IEEE Photon. Technol. Lett. 22, 1632-1634 (2010).

T. Shen, K. Meng, A. Lau, Z. Dong, "Optical performance monitoring using artificial neural network trained with asynchronous amplitude histograms," IEEE Photon. Technol. Lett. 22, 1665-1667 (2010).

F. Khan, A. Lau, Z. Li, C. Lu, P. Wai, "OSNR monitoring for RZ-DQPSK systems using half-symbol delay-tap sampling technique," IEEE Photon. Technol. Lett. 22, 823-825 (2010).

2009

T. Anderson, A. Kowalczyk, K. Clarke, S. Dods, D. Hewitt, J. Li, "Multi impairment monitoring for optical networks," J. Lightw. Technol. 27, 3729-3726 (2009).

2008

H. Choi, Y. Takushima, Y. Chung, "OSNR monitoring technique for DPSK/DQPSK signals based on self-heterodyne detection," IEEE Photon. Technol. Lett. 20, 1124-1126 (2008).

P. Winzer, G. Raybon, H. Song, A. Adamiecki, A. Gnauck, D. Fishman, C. Doerr, S. Chandrasekhar, L. Buhl, T. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).

B. Kozicki, O. Takuya, T. Hidehiko, "Optical performance monitoring of phase-modulated signals using asynchronous amplitude histogram analysis," J. Lightw. Technol. 26, 1353-1361 (2008).

2006

P. Winzer, R. Essiambre, "Advanced optical modulation formats," Proc. IEEE 94, 952-985 (2006).

J. Lee, H. Choi, S. Shin, Y. Chung, "A review of the polarization-nulling technique for monitoring optical signal-to-noise ratio in dynamic WDM network," J. Lightw. Technol. 24, 4162-4171 (2006).

R. Adams, M. Rochette, T. Ng, B. Eggleton, "All-optical in-band OSNR monitoring at 40 Gb/s using a nonlinear optical loop mirror," IEEE Photon. Technol. Lett. 18, 469-471 (2006).

1990

IEEE Photon. Technol. Lett.

T. Shen, K. Meng, A. Lau, Z. Dong, "Optical performance monitoring using artificial neural network trained with asynchronous amplitude histograms," IEEE Photon. Technol. Lett. 22, 1665-1667 (2010).

H. Choi, Y. Takushima, Y. Chung, "OSNR monitoring technique for DPSK/DQPSK signals based on self-heterodyne detection," IEEE Photon. Technol. Lett. 20, 1124-1126 (2008).

C. Courvoisier, J. Fatome, C. Finot, "Measurement of residual chromatic dispersion or OSNR via nonlinear spectral evolution," IEEE Photon. Technol. Lett. 23, 537-539 (2011).

R. Adams, M. Rochette, T. Ng, B. Eggleton, "All-optical in-band OSNR monitoring at 40 Gb/s using a nonlinear optical loop mirror," IEEE Photon. Technol. Lett. 18, 469-471 (2006).

IEEE Photon. Technol. Lett.

T. Shen, A. Lau, G. Liu, "OSNR monitoring for higher order modulation formats using asynchronous amplitude histogram," IEEE Photon. Technol. Lett. 22, 1632-1634 (2010).

IEEE Photon. Technol. Lett.

F. Khan, A. Lau, Z. Li, C. Lu, P. Wai, "OSNR monitoring for RZ-DQPSK systems using half-symbol delay-tap sampling technique," IEEE Photon. Technol. Lett. 22, 823-825 (2010).

J. Lightw. Technol.

T. Anderson, A. Kowalczyk, K. Clarke, S. Dods, D. Hewitt, J. Li, "Multi impairment monitoring for optical networks," J. Lightw. Technol. 27, 3729-3726 (2009).

J. Lee, H. Choi, S. Shin, Y. Chung, "A review of the polarization-nulling technique for monitoring optical signal-to-noise ratio in dynamic WDM network," J. Lightw. Technol. 24, 4162-4171 (2006).

P. Winzer, G. Raybon, H. Song, A. Adamiecki, A. Gnauck, D. Fishman, C. Doerr, S. Chandrasekhar, L. Buhl, T. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).

B. Kozicki, O. Takuya, T. Hidehiko, "Optical performance monitoring of phase-modulated signals using asynchronous amplitude histogram analysis," J. Lightw. Technol. 26, 1353-1361 (2008).

Opt. Express

Opt. Lett.

Proc. IEEE

P. Winzer, R. Essiambre, "Advanced optical modulation formats," Proc. IEEE 94, 952-985 (2006).

Other

R. Essiambre, G. Foschini, P. Winzer, G. Kramer, E. Burrows, "Capacity limits of fiber-optic communication systems," Conf. Optical Fiber Communications (OFC) (2008).

C. Youn, K. Park, J. Lee, Y. Chung, "OSNR monitoring technique based on orthogonal delayed homodyne method," Proc. OFC (2002).

J. Yang, L. Zhang, T. Wu, X. Wu, L. Christen, S. Nuccio, O. Yilmaz, W. Peng, A. Willner, "Chromatic dispersion monitoring of 40-Gb/s RZ-DPSK and 80-Gb/s RZ-DQPSK data using cross-phase modulation in highly-nonlinear fiber and a simple power monitor," Proc. OFC (2008).

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