Abstract

A field trial of 100-Gbit/s Ethernet over an optical transport network (OTN) is conducted using a real-time digital coherent signal processor. Error free operation with the Q-margin of 3.2 dB is confirmed at a 100 Gbit/s Ethernet analyzer by concatenating a low-density parity-check code with a OTN framer forward error correction, after 80-ch WDM transmission through 6 spans x 70 km of dispersion shifted fiber without inline-dispersion compensation. Also, the recovery time of 12 msec is observed in an optical route switching experiment, which is achieved through fast chromatic dispersion estimation functionality.

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  1. T. J. Xia, G. Wellbrock, B. Basch, S. Kotrla, W. Lee, T. Tajima, K. Fukuchi, M. Cvijetic, J. Sugg, Y. Ma, B. Turner, C. Cole, and C. Urricariet, “End-to-end Native IP data 100G single carrier real time DSP coherent detection transport over 1520-km field deployed fiber,” in Optical Fiber Communication and National Fiber Optic Engineers Conference 2010, paper PDPD4.
  2. M. Birk, P. Gerard, R. Curto, L. Nelson, X. Zhou, P. Magill, T. J. Schmidt, C. Malouin, B. Zhang, E. Ibragimov, S. Khatana, M. Glavanovic, R. Lofland, R. Marcoccia, G. Nicholl, M. Nowell, and F. Forghieri, “Field trial of a real-time, single wavelength, coherent 100 Gbit/s PM-QPSK channel upgrade of an installed 1800km link,” in Optical Fiber Communication and National Fiber Optic Engineers Conference2010, paper PDPD1.
  3. Telecommunication standardization sector of International telecommunication union (ITU-T), Transmission system and media, digital system and networks G.709.
  4. K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
    [CrossRef]
  5. T. Hoshida, H. Nakashima, T. Tanimura, S. Oda, Z. Tao, L. Liu, W. Yan, L. Li, and J. C. Rasmussen, “Network innovations brought by digital coherent receiver,” in Optical Fiber Communication and National Fiber Optic Engineers Conference2010, paper NMB4.
  6. Y. Miyata, K. Sugihara, W. Matsumoto, K. Onohara, T. Sugihara, K. Kubo, H. Yoshida, and T. Mizuochi, “A triple-concatenated FEC using soft-decision decoding for 100 Gb/s optical transmission,” in Optical Fiber Communication conference and National Fiber Optic Engineers Conference2010, paper OThL3.
  7. Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
    [CrossRef]
  8. Telecommunication standardization sector of International telecommunication union (ITU-T), Transmission system and media, digital system and networks G.841.

2010 (1)

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

2008 (1)

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Goh, T.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Hashimoto, T.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Hattori, K.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Ishihara, K.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Ishikawa, M.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Kamei, S.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Kobayashi, T.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Kudo, R.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Masuda, H.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Matsui, M.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Miyamoto, Y.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Mizoguchi, M.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Mizuno, T.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Nasu, Y.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Sakamaki, Y.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Sano, A.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Takahashi, H.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Takatori, Y.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Yamada, E.

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Yamazaki, H.

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Electron. Lett. (2)

K. Ishihara, T. Kobayashi, R. Kudo, Y. Takatori, A. Sano, E. Yamada, H. Masuda, M. Matsui, M. Mizoguchi, and Y. Miyamoto, “Frequency-domain equalization without guard interval for optical transmission systems,” Electron. Lett. 44(25), 1480–1482 (2008).
[CrossRef]

Y. Sakamaki, H. Yamazaki, T. Mizuno, T. Goh, Y. Nasu, T. Hashimoto, S. Kamei, K. Hattori, H. Takahashi, T. Kobayashi, and M. Ishikawa, “Dual polarisation optical hybrid using silica-based planar lightwave circuit technology for digital coherent receiver,” Electron. Lett. 46(1), 58–60 (2010).
[CrossRef]

Other (6)

Telecommunication standardization sector of International telecommunication union (ITU-T), Transmission system and media, digital system and networks G.841.

T. Hoshida, H. Nakashima, T. Tanimura, S. Oda, Z. Tao, L. Liu, W. Yan, L. Li, and J. C. Rasmussen, “Network innovations brought by digital coherent receiver,” in Optical Fiber Communication and National Fiber Optic Engineers Conference2010, paper NMB4.

Y. Miyata, K. Sugihara, W. Matsumoto, K. Onohara, T. Sugihara, K. Kubo, H. Yoshida, and T. Mizuochi, “A triple-concatenated FEC using soft-decision decoding for 100 Gb/s optical transmission,” in Optical Fiber Communication conference and National Fiber Optic Engineers Conference2010, paper OThL3.

T. J. Xia, G. Wellbrock, B. Basch, S. Kotrla, W. Lee, T. Tajima, K. Fukuchi, M. Cvijetic, J. Sugg, Y. Ma, B. Turner, C. Cole, and C. Urricariet, “End-to-end Native IP data 100G single carrier real time DSP coherent detection transport over 1520-km field deployed fiber,” in Optical Fiber Communication and National Fiber Optic Engineers Conference 2010, paper PDPD4.

M. Birk, P. Gerard, R. Curto, L. Nelson, X. Zhou, P. Magill, T. J. Schmidt, C. Malouin, B. Zhang, E. Ibragimov, S. Khatana, M. Glavanovic, R. Lofland, R. Marcoccia, G. Nicholl, M. Nowell, and F. Forghieri, “Field trial of a real-time, single wavelength, coherent 100 Gbit/s PM-QPSK channel upgrade of an installed 1800km link,” in Optical Fiber Communication and National Fiber Optic Engineers Conference2010, paper PDPD1.

Telecommunication standardization sector of International telecommunication union (ITU-T), Transmission system and media, digital system and networks G.709.

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Figures (5)

Fig. 1
Fig. 1

Block diagram of second generation DSP.

Fig. 2
Fig. 2

Experimental configuration for 80-ch WDM 100-Gbps field fiber transmission. Picture shows used optical front-end and digital coherent signal processor LSI.

Fig. 3
Fig. 3

Measured results of output BER as a function of input BER for LDPC-only case and LDPC + EFEC/GFEC concatenation case, with simulation references. Inset shows measured results of Q factor before LDPC as a function of received OSNR.

Fig. 4
Fig. 4

Measured Q factor before/after FEC after 80-ch WDM transmission through 6 spans x 70.4 km of dispersion shifted fiber, and received optical power spectrum. Q factor for test channel of 1586.623 nm was measured using the real-time digital coherent signal processor, and others were measured using offline configuration.

Fig. 5
Fig. 5

Time waveforms of optical input level received by optical front-end, alarm pulse from sampling clock recovery block, and OTL lane alignment alarm generated from the digital coherent signal processor LSI. Cumulated chromatic dispersion of received signal changes from 350 ps/nm to 1,097 ps/nm after concavity in the optical input level.

Tables (1)

Tables Icon

Table 1 Specifications of 100-Gbps digital coherent signal processor LSI

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