Abstract

A novel signal modulation technique, termed optical OFDM-based carrierless amplitude and phase (CAP) modulation (OOFDM-CAP) is proposed, analyzed and evaluated, for the first time, in which multiple real-valued OFDM channels are multiplexed/demultiplexed using digital orthogonal filters embedded in DSP logic. An OOFDM-CAP theoretical model is established, based on which the dependence of the required minimum oversampling factor upon the total number of OFDM channels simultaneously transmitted is identified in simple SSMF systems utilizing intensity modulation and direct detection. In such a system consisting of two OFDM channels, detailed numerical explorations are also undertaken of the impacts of major transceiver design aspects on the OOFDM-CAP transmission performance. These aspects include digital orthogonal filter characteristics, oversampling factors and OOFDM adaptability. It is shown that OOFDM-CAP not only allows the utilization of a minimum oversampling factor as low as 2, but also overcomes all fundamental limitations associated with conventional CAP modulation.

© 2014 IEEE

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  1. R. Rodes, M. Wieckowski, T. T. Pham, J. B. Jensen, J. Turkiewiez, J. Siuzdak, I. Tafur, "Carrierless amplitude phase modulation of VCSEL with 4 bit/s/Hz spectral efficiency for use in WDM-PON," Opt. Exp. 19, 26551-26556 (2011).
  2. J. D. Ingham, R. V. Penty, I. H. White, D. G. Cunningham, "40 Gb/s carrierless amplitude and phase modulation for low-cost optical datacommunication links," Proc. Opt. Fiber Commun. Conf. Expo. Nat. Fiber Opt. Eng. Conf. (2011) pp. 1-3.
  3. L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "Experimental demonstration of 10 Gb/s multilevel carrier-less amplitude and phase modulation for short range optical communication systems," Opt. Exp. 21, 6459-6465 (2013).
  4. L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "40 Gb/s CAP32 system with decision-directed LMS equalization for short reach optical transmissions," IEEE Photon. Tech. Let. 25, 2346-2349 (2013).
  5. M. Iglesias, Z. Tianjan, J. B. Jensen, Z. Qiwen, X. Xiaogeng, I. Tafur Monroy, "Towards 400GBASE 4-lane solution using direct detection of multiCAP signal in 14 GHz bandwidth per lane," Proc. Opt. Fiber Commun. Conf. Expo. Nat. Fiber Opt. Eng. Conf. (2013) pp. 1 -3.
  6. M. B. Othman, X. Zhang, L. Deng, M. Wieckowski, J. B. Jensen, I. Tafur, "Experimental investigations of 3-D/4-D-CAP modulation with directly modulated VCSELs," IEEE Photon. Tech. Lett. 24, 2009-2012 (2012).
  7. J. L. Wei, J. D. Ingham, R. V. Penty, "Update on performance studies of 100 gigabit ethernet enabled by advanced modulation formats," IEEE Next Generation 100G Optical Ethernet Study Group (2012) Geneva, Switzerland .
  8. X. Q. Jin, R. P. Giddings, E. Hugues-Salas, J. M. Tang, "Real-time experimental demonstration of optical OFDM symbol synchronization in directly modulated DFB laser-based 25 km SMF IMDD systems," Opt. Exp. 18, 21100-21110 (2010).
  9. A. N. Akansu, P. Duhamel, X. Lin, M. Courville, "Orthogonal transmultiplexers in communication: A review," IEEE Trans. Sig. Proc. (1998) pp. 979-995.
  10. A. F. Shalash, K. K. Parhi, "Multidimensional carrierless AM/PM systems for digital subscriber loops," IEEE Trans. Commun. 47, 1655 -1667 (1999).
  11. M. Vetterli, "A theory of multirate filter banks," IEEE Trans. Acoust., Speech Signal Process. ASSP-35, 356-372 (1987).
  12. G. H. Im, D. D. Harman, G. Huang, A. V. Mandzik, M. H. Nguyen, J. J. Werner, "51.84 Mb/s 16-CAP ATM LAN standard ," IEEE J. Select. Areas Commun. 13, 620-632 (1995).
  13. J. M. Tang, K. A. Shore, "30-Gb/s signal transmission over 40-km directly modulated DFB-laser-based single-mode-fiber links without optical amplification and dispersion compensation," J. Light. Tech. 24, 2318-2327 (2006).
  14. X. Q. Jin, J. M. Tang, "Optical OFDM synchronization with symbol timing offset and sampling clock offset compensation in real-time IMDD systems," IEEE Photon. J. 3, 187-196 (2011 ).

2013 (2)

L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "Experimental demonstration of 10 Gb/s multilevel carrier-less amplitude and phase modulation for short range optical communication systems," Opt. Exp. 21, 6459-6465 (2013).

L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "40 Gb/s CAP32 system with decision-directed LMS equalization for short reach optical transmissions," IEEE Photon. Tech. Let. 25, 2346-2349 (2013).

2012 (2)

M. B. Othman, X. Zhang, L. Deng, M. Wieckowski, J. B. Jensen, I. Tafur, "Experimental investigations of 3-D/4-D-CAP modulation with directly modulated VCSELs," IEEE Photon. Tech. Lett. 24, 2009-2012 (2012).

J. L. Wei, J. D. Ingham, R. V. Penty, "Update on performance studies of 100 gigabit ethernet enabled by advanced modulation formats," IEEE Next Generation 100G Optical Ethernet Study Group (2012) Geneva, Switzerland .

2011 (1)

R. Rodes, M. Wieckowski, T. T. Pham, J. B. Jensen, J. Turkiewiez, J. Siuzdak, I. Tafur, "Carrierless amplitude phase modulation of VCSEL with 4 bit/s/Hz spectral efficiency for use in WDM-PON," Opt. Exp. 19, 26551-26556 (2011).

2010 (1)

X. Q. Jin, R. P. Giddings, E. Hugues-Salas, J. M. Tang, "Real-time experimental demonstration of optical OFDM symbol synchronization in directly modulated DFB laser-based 25 km SMF IMDD systems," Opt. Exp. 18, 21100-21110 (2010).

2006 (1)

J. M. Tang, K. A. Shore, "30-Gb/s signal transmission over 40-km directly modulated DFB-laser-based single-mode-fiber links without optical amplification and dispersion compensation," J. Light. Tech. 24, 2318-2327 (2006).

1999 (1)

A. F. Shalash, K. K. Parhi, "Multidimensional carrierless AM/PM systems for digital subscriber loops," IEEE Trans. Commun. 47, 1655 -1667 (1999).

1995 (1)

G. H. Im, D. D. Harman, G. Huang, A. V. Mandzik, M. H. Nguyen, J. J. Werner, "51.84 Mb/s 16-CAP ATM LAN standard ," IEEE J. Select. Areas Commun. 13, 620-632 (1995).

1987 (1)

M. Vetterli, "A theory of multirate filter banks," IEEE Trans. Acoust., Speech Signal Process. ASSP-35, 356-372 (1987).

IEEE Trans. Acoust., Speech Signal Process. (1)

M. Vetterli, "A theory of multirate filter banks," IEEE Trans. Acoust., Speech Signal Process. ASSP-35, 356-372 (1987).

IEEE J. Select. Areas Commun. (1)

G. H. Im, D. D. Harman, G. Huang, A. V. Mandzik, M. H. Nguyen, J. J. Werner, "51.84 Mb/s 16-CAP ATM LAN standard ," IEEE J. Select. Areas Commun. 13, 620-632 (1995).

IEEE Next Generation 100G Optical Ethernet Study Group (1)

J. L. Wei, J. D. Ingham, R. V. Penty, "Update on performance studies of 100 gigabit ethernet enabled by advanced modulation formats," IEEE Next Generation 100G Optical Ethernet Study Group (2012) Geneva, Switzerland .

IEEE Photon. J. (1)

X. Q. Jin, J. M. Tang, "Optical OFDM synchronization with symbol timing offset and sampling clock offset compensation in real-time IMDD systems," IEEE Photon. J. 3, 187-196 (2011 ).

IEEE Photon. Tech. Let. (1)

L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "40 Gb/s CAP32 system with decision-directed LMS equalization for short reach optical transmissions," IEEE Photon. Tech. Let. 25, 2346-2349 (2013).

IEEE Photon. Tech. Lett. (1)

M. B. Othman, X. Zhang, L. Deng, M. Wieckowski, J. B. Jensen, I. Tafur, "Experimental investigations of 3-D/4-D-CAP modulation with directly modulated VCSELs," IEEE Photon. Tech. Lett. 24, 2009-2012 (2012).

IEEE Trans. Commun. (1)

A. F. Shalash, K. K. Parhi, "Multidimensional carrierless AM/PM systems for digital subscriber loops," IEEE Trans. Commun. 47, 1655 -1667 (1999).

J. Light. Tech. (1)

J. M. Tang, K. A. Shore, "30-Gb/s signal transmission over 40-km directly modulated DFB-laser-based single-mode-fiber links without optical amplification and dispersion compensation," J. Light. Tech. 24, 2318-2327 (2006).

Opt. Exp. (1)

X. Q. Jin, R. P. Giddings, E. Hugues-Salas, J. M. Tang, "Real-time experimental demonstration of optical OFDM symbol synchronization in directly modulated DFB laser-based 25 km SMF IMDD systems," Opt. Exp. 18, 21100-21110 (2010).

Opt. Exp. (2)

L. Tao, Y. Wang, Y. Gao, A. P. T. Lan, N. Chi, C. Lu, "Experimental demonstration of 10 Gb/s multilevel carrier-less amplitude and phase modulation for short range optical communication systems," Opt. Exp. 21, 6459-6465 (2013).

R. Rodes, M. Wieckowski, T. T. Pham, J. B. Jensen, J. Turkiewiez, J. Siuzdak, I. Tafur, "Carrierless amplitude phase modulation of VCSEL with 4 bit/s/Hz spectral efficiency for use in WDM-PON," Opt. Exp. 19, 26551-26556 (2011).

Other (3)

J. D. Ingham, R. V. Penty, I. H. White, D. G. Cunningham, "40 Gb/s carrierless amplitude and phase modulation for low-cost optical datacommunication links," Proc. Opt. Fiber Commun. Conf. Expo. Nat. Fiber Opt. Eng. Conf. (2011) pp. 1-3.

M. Iglesias, Z. Tianjan, J. B. Jensen, Z. Qiwen, X. Xiaogeng, I. Tafur Monroy, "Towards 400GBASE 4-lane solution using direct detection of multiCAP signal in 14 GHz bandwidth per lane," Proc. Opt. Fiber Commun. Conf. Expo. Nat. Fiber Opt. Eng. Conf. (2013) pp. 1 -3.

A. N. Akansu, P. Duhamel, X. Lin, M. Courville, "Orthogonal transmultiplexers in communication: A review," IEEE Trans. Sig. Proc. (1998) pp. 979-995.

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