Abstract

We report record capacity data transmission at 305 Tb/s over 10.1 km, using space division multiplexing (SDM) with 19 channels. To realize such a large SDM channel number, we fabricated a trench-assisted homogeneous 19-core fiber with average intercore crosstalk of about -32 dB at 1550 nm. We also fabricated a 19-channel SDM multiplexer/demultiplexer using free-space optics with low insertion losses and low additional crosstalk. The data signal transmitted through each SDM channel was 100 wavelength division multiplexing (100 GHz spacing) 2 × 86 Gb/s polarization-division-multiplexed quadrature phase shift keying signals and the spectral efficiency was 30.5 b/s/Hz.

© 2012 IEEE

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  1. D. Qian, "High capacity/spectral efficiency 101.7-Tb/s WDM transmission using PDM-128QAM-OFDM over 165-km SSMF within C- and L-bands," J. Lightw. Technol. 30, 1540-1548 (2012).
  2. A. Sano, "102.3-Tb/s (224 × 548-Gb/s) C- and extended L-band all-Raman transmission over 240 km using PDM-64QAM single carrier FDM with digital pilot tone," Proc. Opt. Fiber Commun Conf./Nat. Fiber Opt. Eng. Conf. (2012).
  3. K. Imamura, "Multi-core holey fibers for ultra large capacity wide-band transmission," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.
  4. K. Imamura, "Investigation on multi-core fibers with large Aeff and low micro bending loss," Opt. Exp. 19, 10595-10603 (2011).
  5. K. Imamura, "Trench assisted multi-core fiber with large Aeff over 100 µm2 and low attenuation loss," Proc. Eur. Conf. Opt. Commun. (2011) pp. 1-3.
  6. K. Takenaga, "Reduction of crosstalk by quasi-homogeneous solid multi-core fiber," Proc. Opt. Fiber Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2010) pp. 1-3.
  7. K. Takenaga, "Reduction of crosstalk by trench-assisted multi-core fiber," Proc. Opt. Fiber Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2011) pp. 1-3.
  8. K. Takenaga, "A large effective area multi-core fiber with an optimized cladding thickness," Opt. Exp. 19, B543-B550 (2011).
  9. T. Hayashi, "Crosstalk variation of multi-core fibre due to fibre bend," Proc. Eur. Conf. Opt. Commun. (2010) pp. 1-3.
  10. T. Hayashi, "Design and fabrication of ultra-low crosstalk and low-loss multi-core fiber," Opt. Exp. 19, 16576-16592 (2011).
  11. M. Koshiba, "Multi-core fiber design and analysis: Coupled mode theory and coupled-power theory," Opt. Exp. 19, B102-B111 (2011).
  12. M. Nakazawa, "Nondestructive measurement of mode couplings along a multi-core fiber using a synchronous multi-channel OTDR," Opt. Exp. 20, 12530-12540 (2012).
  13. S. Matsuo, "Crosstalk behavior of cores in multi-core fiber under bent condition," IEICE Electron. Exp. 8, 385-390 (2011).
  14. B. Zhu, "Seven-core multicore fiber transmissions for passive optical network," Opt. Exp. 18, 11117-11122 (2010).
  15. J. Sakaguchi, "Space division multiplexed transmission of 109-Tb/s data signals using homogeneous seven-core fiber," J. Lightw. Technol. 30, 658-665 (2012).
  16. B. Zhu, "112-Tb/s space-division multiplexed DWDM transmission with 14-b/s/Hz aggregate spectral efficiency over a 76.8-km seven-core fiber," Opt. Exp. 19, 16665-16671 (2011).
  17. S. Chandrasekhar, "WDM/SDM transmission of 10 × 128-Gb/s PDM-QPSK over 2688-km 7-core fiber with a per-fiber net aggregate spectral-efficiency distance product of 40 320 km · b/s/Hz," Opt. Exp. 20, 706-711 (2012).
  18. H. Takara, "1000-km 7-core fiber transmission of 10 × 96-Gb/s PDM-16QAM using Raman amplification with 6.5 W per fiber," Opt. Exp. 20, 10100-10105 (2012).
  19. S. Matsuo, "Large-effective-area ten-core fiber with cladding diameter of about 200 µm," Opt. Lett. 36, 4626-4628 (2011).
  20. J. Sakaguchi, "19-core fiber transmission of 19 × 100 × 172-Gb/s SDM-WDM-PDM-QPSK signals at 305 Tb/s," Proc. Opt. Fiber. Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2012) pp. 1-3.
  21. R. R. Thomson, "Ultrafast-laser inscription of a three-dimensional fan-out device for multicore fiber coupling applications," Opt. Exp. 15, 11691-11697 (2007).
  22. Y. Tottori, T. Kobayashi, M. Watanabe, "Low loss optical connection module for 7-core multi-core fiber and seven single mode fibers," Proc. IEEE Photon. Soc. Summ. Top. Meet. Tech. Dig. (2012) pp. 232-233.
  23. T. Kawanishi, "High-speed optical DQPSK and FSK modulation using integrated Mach–Zehnder interferometers," Opt. Exp. 14, 4469-4478 (2006).
  24. B. Szafraniec, "Polarization demultiplexing in Stokes space," Opt. Exp. 18, 17928-17939 (2010).

2012 (5)

D. Qian, "High capacity/spectral efficiency 101.7-Tb/s WDM transmission using PDM-128QAM-OFDM over 165-km SSMF within C- and L-bands," J. Lightw. Technol. 30, 1540-1548 (2012).

M. Nakazawa, "Nondestructive measurement of mode couplings along a multi-core fiber using a synchronous multi-channel OTDR," Opt. Exp. 20, 12530-12540 (2012).

J. Sakaguchi, "Space division multiplexed transmission of 109-Tb/s data signals using homogeneous seven-core fiber," J. Lightw. Technol. 30, 658-665 (2012).

S. Chandrasekhar, "WDM/SDM transmission of 10 × 128-Gb/s PDM-QPSK over 2688-km 7-core fiber with a per-fiber net aggregate spectral-efficiency distance product of 40 320 km · b/s/Hz," Opt. Exp. 20, 706-711 (2012).

H. Takara, "1000-km 7-core fiber transmission of 10 × 96-Gb/s PDM-16QAM using Raman amplification with 6.5 W per fiber," Opt. Exp. 20, 10100-10105 (2012).

2011 (7)

S. Matsuo, "Large-effective-area ten-core fiber with cladding diameter of about 200 µm," Opt. Lett. 36, 4626-4628 (2011).

B. Zhu, "112-Tb/s space-division multiplexed DWDM transmission with 14-b/s/Hz aggregate spectral efficiency over a 76.8-km seven-core fiber," Opt. Exp. 19, 16665-16671 (2011).

S. Matsuo, "Crosstalk behavior of cores in multi-core fiber under bent condition," IEICE Electron. Exp. 8, 385-390 (2011).

K. Imamura, "Investigation on multi-core fibers with large Aeff and low micro bending loss," Opt. Exp. 19, 10595-10603 (2011).

K. Takenaga, "A large effective area multi-core fiber with an optimized cladding thickness," Opt. Exp. 19, B543-B550 (2011).

T. Hayashi, "Design and fabrication of ultra-low crosstalk and low-loss multi-core fiber," Opt. Exp. 19, 16576-16592 (2011).

M. Koshiba, "Multi-core fiber design and analysis: Coupled mode theory and coupled-power theory," Opt. Exp. 19, B102-B111 (2011).

2010 (2)

B. Zhu, "Seven-core multicore fiber transmissions for passive optical network," Opt. Exp. 18, 11117-11122 (2010).

B. Szafraniec, "Polarization demultiplexing in Stokes space," Opt. Exp. 18, 17928-17939 (2010).

2007 (1)

R. R. Thomson, "Ultrafast-laser inscription of a three-dimensional fan-out device for multicore fiber coupling applications," Opt. Exp. 15, 11691-11697 (2007).

2006 (1)

T. Kawanishi, "High-speed optical DQPSK and FSK modulation using integrated Mach–Zehnder interferometers," Opt. Exp. 14, 4469-4478 (2006).

IEICE Electron. Exp. (1)

S. Matsuo, "Crosstalk behavior of cores in multi-core fiber under bent condition," IEICE Electron. Exp. 8, 385-390 (2011).

J. Lightw. Technol. (2)

J. Sakaguchi, "Space division multiplexed transmission of 109-Tb/s data signals using homogeneous seven-core fiber," J. Lightw. Technol. 30, 658-665 (2012).

D. Qian, "High capacity/spectral efficiency 101.7-Tb/s WDM transmission using PDM-128QAM-OFDM over 165-km SSMF within C- and L-bands," J. Lightw. Technol. 30, 1540-1548 (2012).

Opt. Exp. (12)

K. Takenaga, "A large effective area multi-core fiber with an optimized cladding thickness," Opt. Exp. 19, B543-B550 (2011).

K. Imamura, "Investigation on multi-core fibers with large Aeff and low micro bending loss," Opt. Exp. 19, 10595-10603 (2011).

B. Zhu, "112-Tb/s space-division multiplexed DWDM transmission with 14-b/s/Hz aggregate spectral efficiency over a 76.8-km seven-core fiber," Opt. Exp. 19, 16665-16671 (2011).

S. Chandrasekhar, "WDM/SDM transmission of 10 × 128-Gb/s PDM-QPSK over 2688-km 7-core fiber with a per-fiber net aggregate spectral-efficiency distance product of 40 320 km · b/s/Hz," Opt. Exp. 20, 706-711 (2012).

H. Takara, "1000-km 7-core fiber transmission of 10 × 96-Gb/s PDM-16QAM using Raman amplification with 6.5 W per fiber," Opt. Exp. 20, 10100-10105 (2012).

B. Zhu, "Seven-core multicore fiber transmissions for passive optical network," Opt. Exp. 18, 11117-11122 (2010).

T. Hayashi, "Design and fabrication of ultra-low crosstalk and low-loss multi-core fiber," Opt. Exp. 19, 16576-16592 (2011).

M. Koshiba, "Multi-core fiber design and analysis: Coupled mode theory and coupled-power theory," Opt. Exp. 19, B102-B111 (2011).

M. Nakazawa, "Nondestructive measurement of mode couplings along a multi-core fiber using a synchronous multi-channel OTDR," Opt. Exp. 20, 12530-12540 (2012).

R. R. Thomson, "Ultrafast-laser inscription of a three-dimensional fan-out device for multicore fiber coupling applications," Opt. Exp. 15, 11691-11697 (2007).

T. Kawanishi, "High-speed optical DQPSK and FSK modulation using integrated Mach–Zehnder interferometers," Opt. Exp. 14, 4469-4478 (2006).

B. Szafraniec, "Polarization demultiplexing in Stokes space," Opt. Exp. 18, 17928-17939 (2010).

Opt. Lett. (1)

Other (8)

J. Sakaguchi, "19-core fiber transmission of 19 × 100 × 172-Gb/s SDM-WDM-PDM-QPSK signals at 305 Tb/s," Proc. Opt. Fiber. Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2012) pp. 1-3.

K. Imamura, "Trench assisted multi-core fiber with large Aeff over 100 µm2 and low attenuation loss," Proc. Eur. Conf. Opt. Commun. (2011) pp. 1-3.

K. Takenaga, "Reduction of crosstalk by quasi-homogeneous solid multi-core fiber," Proc. Opt. Fiber Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2010) pp. 1-3.

K. Takenaga, "Reduction of crosstalk by trench-assisted multi-core fiber," Proc. Opt. Fiber Commun. Conf./Nat. Fiber Opt. Eng. Conf. (2011) pp. 1-3.

T. Hayashi, "Crosstalk variation of multi-core fibre due to fibre bend," Proc. Eur. Conf. Opt. Commun. (2010) pp. 1-3.

A. Sano, "102.3-Tb/s (224 × 548-Gb/s) C- and extended L-band all-Raman transmission over 240 km using PDM-64QAM single carrier FDM with digital pilot tone," Proc. Opt. Fiber Commun Conf./Nat. Fiber Opt. Eng. Conf. (2012).

K. Imamura, "Multi-core holey fibers for ultra large capacity wide-band transmission," Proc. Eur. Conf. Opt. Commun. (2008) pp. 1-2.

Y. Tottori, T. Kobayashi, M. Watanabe, "Low loss optical connection module for 7-core multi-core fiber and seven single mode fibers," Proc. IEEE Photon. Soc. Summ. Top. Meet. Tech. Dig. (2012) pp. 232-233.

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