Abstract

This work proposes a novel direct-detection polarization division multiplexed OFDM scheme without the need of dynamic polarization control at a polarization-diverse receiver, and the proposed scheme is robust against polarization mode dispersion. Setting the frequency difference between two polarization-orthogonal reference carriers as one subcarrier spacing, possible signal fading can be avoided, and the corresponding interference from adjacent subcarriers is eliminated by a novel MIMO algorithm. The penalty caused by high channel matrix condition number can be decreased by inserting empty tones among subcarriers, and the polarization-dependent OSNR penalty at the BER of 10−3 is <3.6 dB with an empty tone inserted every 8 subcarriers. Moreover, the numerical results demonstrate the 16 × 103-ps/nm chromatic dispersion and the 300-ps differential group delay will not induce additional penalty.

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References

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  1. Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express 17(11), 9421–9427 (2009).
    [CrossRef] [PubMed]
  2. S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
    [CrossRef]
  3. H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
    [CrossRef]
  4. D.-Z. Hsu, C.-C. Wei, H.-Y. Chen, W.-Y. Li, and J. Chen, “Cost-effective 33-Gbps intensity modulation direct detection multi-band OFDM LR-PON system employing a 10-GHz-based transceiver,” Opt. Express 19(18), 17546–17556 (2011).
    [CrossRef] [PubMed]
  5. B. J. Schmidt, Z. Zan, L. B. Du, and A. J. Lowery, “120 Gbit/s over 500-km using single-band polarization-multiplexed self-coherent optical OFDM,” J. Lightwave Technol. 28(4), 328–335 (2010).
    [CrossRef]
  6. M. Mayrock and H. Haunstein, “PMD tolerant direct-detection optical OFDM system,” in Proc. ECOC’07 (2007), paper 5.2.5.
  7. W.-R. Peng, K.-M. Feng, and A. E. Willner, “Direct-detected polarization division multiplexed OFDM systems with self-polarization diversity,” in Proc. CLEOS’08 (2008), paper MH3.
  8. D. Qian, N. Cvijetic, J. Hu, and T. Wang, “108 Gb/s OFDMA-PON with polarization multiplexing and direct detection,” J. Lightwave Technol. 28(4), 484–493 (2010).
    [CrossRef]
  9. A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
    [CrossRef]
  10. C.-T. Lin, C.-C. Wei, and M.-I. Chao, “Phase noise suppression of optical OFDM signals in 60-GHz RoF transmission system,” Opt. Express 19(11), 10423–10428 (2011).
    [CrossRef] [PubMed]
  11. W.-R. Peng, “Analysis of laser phase noise effect in direct-detection optical OFDM transmission,” J. Lightwave Technol. 28(17), 2526–2536 (2010).
    [CrossRef]
  12. A. J. Lowery, “Improving sensitivity and spectra efficiency in direct-detection optical OFDM systems,” in Proc. OFC’08. (2008), paper OMM4.

2011 (2)

2010 (5)

2009 (2)

Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express 17(11), 9421–9427 (2009).
[CrossRef] [PubMed]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Al Amin, A.

H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
[CrossRef]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Amin, A.

A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
[CrossRef]

Chao, M.-I.

Chen, H.-Y.

Chen, J.

Chen, S.

Cvijetic, N.

Du, L. B.

Hsu, D.-Z.

Hu, J.

Jansen, S. L.

H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
[CrossRef]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Li, W.-Y.

Lin, C.-T.

Lowery, A. J.

Ma, Y.

Morita, I.

H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
[CrossRef]

A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
[CrossRef]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Peng, W.-R.

Qian, D.

Schmidt, B. J.

Shieh, W.

Takahashi, H.

A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
[CrossRef]

H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
[CrossRef]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Tanaka, H.

H. Takahashi, A. Al Amin, S. L. Jansen, I. Morita, and H. Tanaka, “Highly spectrally efficient DWDM transmission at 7.0 b/s/Hz using 8×65.1-Gb/s coherent PDM-OFDM,” J. Lightwave Technol. 28(4), 406–414 (2010).
[CrossRef]

A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
[CrossRef]

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

Tang, Y.

Wang, T.

Wei, C.-C.

Yang, Q.

Zan, Z.

IEEE Photon. Technol. Lett. (2)

S. L. Jansen, A. Al Amin, H. Takahashi, I. Morita, and H. Tanaka, “132.2-Gb/s PDM-8QAM-OFDM transmission at 4-b/s/Hz spectral efficiency,” IEEE Photon. Technol. Lett. 21(12), 802–804 (2009).
[CrossRef]

A. Amin, H. Takahashi, I. Morita, and H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010).
[CrossRef]

J. Lightwave Technol. (4)

Opt. Express (3)

Other (3)

A. J. Lowery, “Improving sensitivity and spectra efficiency in direct-detection optical OFDM systems,” in Proc. OFC’08. (2008), paper OMM4.

M. Mayrock and H. Haunstein, “PMD tolerant direct-detection optical OFDM system,” in Proc. ECOC’07 (2007), paper 5.2.5.

W.-R. Peng, K.-M. Feng, and A. E. Willner, “Direct-detected polarization division multiplexed OFDM systems with self-polarization diversity,” in Proc. CLEOS’08 (2008), paper MH3.

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Figures (5)

Fig. 1
Fig. 1

The schematic plots of (a) the traditional DD-PDM-OFDM scheme without polarization control, and (b) the proposed scheme (inset: the setup of the modulator used in this work [10])

Fig. 2
Fig. 2

The schematic plots of (a) the frequency-irrelevant Jones matrix of the channel and (b) allocating empty tones

Fig. 3
Fig. 3

(a) The received SNR of each subcarrier for θ = 0 and 45° with Ng of 8 and 24-dB OSNR at BtB, and (b) the OSNR at BER of 10−3 as a function of θ with Ng of 8 at BtB

Fig. 4
Fig. 4

(a) The received SNR of each subcarrier with Ng of 8 and 40 and 24-dB OSNR for θ = 45° at BtB, and (b) the required OSNRs at BER of 10−3 for θ = 0 and 45° as functions of Ng at BtB.

Fig. 5
Fig. 5

(a) The BER curves for θ = 0 and 45° with and without 16 × 103-ps/nm CD, and (b) the required OSNRs at BER of 10−3 with 16 × 103-ps/nm CD and 300-ps DGD as functions of ø.

Equations (3)

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[ y 1 , i y 2 , i ] = h i [ x 1 , i 1 x 2 , i 1 x 1 , i x 2 , i ] + w i = [ h i , 11 h i , 12 h i , 13 h i , 14 h i , 21 h i , 22 h i , 23 h i , 24 ] [ x 1 , i 1 x 2 , i 1 x 1 , i x 2 , i ] + [ w 1 , i w 2 , i ]
[ y 1 , 1 y 2 , 1 y 1 , 2 y 2 , 2 y 1 , N y 2 , N y 1 , N + 1 y 2 , N + 1 ] = [ h 1 , 13 h 1 , 14 0 0 h 1 , 23 h 1 , 24 0 0 h 2 , 11 h 2 , 12 h 2 , 13 h 2 , 14 h 2 , 21 h 2 , 22 h 2 , 23 h 2 , 24 0 0 0 h 3 , 11 h 3 , 12 h N 1 , 13 h N 1 , 14 0 0 0 h N , 11 h N , 12 h N , 13 h N , 14 h N , 21 h N , 22 h N , 23 h N , 24 0 0 h N + 1 , 11 h N + 1 , 12 0 0 h N + 1 , 21 h N + 1 , 22 ] [ x 1 , 1 x 2 , 1 x 1 , 2 x 2 , 2 x 1 , N 1 x 2 , N 1 x 1 , N x 2 , N ] + [ w 1 , 1 w 2 , 1 w 1 , 2 w 2 , 2 w 1 , N w 2 , N w 1 , N + 1 w 2 , N + 1 ]
h i = [ r 11 r 12 * | r 12 | 2 | r 11 | 2 r 11 * r 12 r 21 r 22 * | r 22 | 2 | r 21 | 2 r 21 * r 22 ]

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