Abstract

This paper proposes a coherent multilevel polarization shift keying (MPOLSK) modulation scheme using the spatial diversity detection in a free-space optical (FSO) turbulence channel. The symbol error probability (SEP) analysis for the proposed MPOLSK system under various turbulence regimes has been carried out. The power penalty caused by the phase tracking error has been investigated. For instance, the error floors of 1.3× 10<sup>-5</sup> and 3.4× 10<sup>-3</sup> are observed for 8POLSK with the phase tracking variances of σ<sub>Δ</sub> = 0.3 and 0.5, respectively. The maximum ratio combining technique has been applied in the MPOLSK receiver in order to improve the SEP performance. To achieve a SEP of 10<sup>-9</sup>, the spatial diversity gains required for a 16POLSK-FSO employing four detectors are ~5.8, ~15.8, and ~13.7 dB in weak, moderate, and strong turbulence regimes, respectively.

© 2012 IEEE

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  1. A. O. Aladeloba, A. J. Phillips, M. S. Woolfson, "Improved bit error rate evaluation for optically pre-amplified free-space optical communication systems in turbulent atmosphere," IET Optoelectron. 6, 26-33 (2012).
  2. N. D. Chatzidiamantis, A. S. Lioumpas, G. K. Karagiannidis, S. Arnon, "Adaptive subcarrier PSK intensity modulation in free space optical systems," IEEE Trans. Commun. 59, 1368-1377 (2011).
  3. X. Tang, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee, "Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel," IET Microw., Antennas Propag. 5, 1031-1038 (2011).
  4. X. Tang, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee, E. Leitgeb, V. Ahmadi, "Free-space optical communication employing polarisation shift keying coherent modulation in atmospheric turbulence channel," Proc. 7th Symp. Commun. Syst., Netw. Digital Signal Process. (2010) pp. 663-668.
  5. F. Nadeem, E. Leitgeb, M. S. Awan, G. Kandus, "Comparison of laser beam propagating at 780 nm and 1550 nm in fog and haze for optical wireless communications," Proc. Int. Workshop Satellite Space Commun. (2009) pp. 279-283.
  6. I. I. Kim, B. McArthur, E. Korevaar, "Comparison of laser beam propagation at 785 nm and 1550 nm in fog and haze for optical wireless communications," Proc. SPIE, Opt. Wireless Commun. III 4214, 26-37 (2001).
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  21. Y. Li, R. Wang, G. Ding, J. S. Klamkin, L. A. Johansson, P. Herczfeld, J. E. Bowers, "Novel phase modulator linearity measurement," IEEE Photon. Technol. Lett. 21, 1405-1407 (2009).
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  23. I. S. Gradshteyn, I. M. Ryzhik, Table of Integrals, Series, and Products (Academic, 1994).

2012 (1)

A. O. Aladeloba, A. J. Phillips, M. S. Woolfson, "Improved bit error rate evaluation for optically pre-amplified free-space optical communication systems in turbulent atmosphere," IET Optoelectron. 6, 26-33 (2012).

2011 (5)

N. D. Chatzidiamantis, A. S. Lioumpas, G. K. Karagiannidis, S. Arnon, "Adaptive subcarrier PSK intensity modulation in free space optical systems," IEEE Trans. Commun. 59, 1368-1377 (2011).

X. Tang, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee, "Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel," IET Microw., Antennas Propag. 5, 1031-1038 (2011).

G. D. Xie, F. X. Wang, A. Dang, H. Guo, "A novel polarisation-multiplexing system for free-space optical links," IEEE Photon. Technol. Lett. 23, 1484-1486 (2011).

A. Yi, L. Yan, B. Luo, W. Pan, J. Ye, "All optical signal regeneration in polarisation-division-multiplexing systems," IEEE Photon. J. 3, 703-712 (2011).

M. Sjödin, E. Agrell, P. Johannisson, G. W. Lu, P. A. Andrekson, M. Karlsson, "Filter optimization for self-homodyne coherent WDM systems using interleaved polarisation division multiplexing," J. Lightw. Technol. 29, 1219-1226 (2011).

2010 (1)

N. Cvijetic, D. Y. Qian, J. J. Yu, Y. K. Huang, T. Wang, "Polarisation-multiplexed optical wireless transmission with coherent detection," J. Lightw. Technol. 28, 1218-1227 (2010).

2009 (2)

X. Zhao, Y. Yao, Y. Sun, C. Liu, "Circle polarisation shift keying with direct detection for free-space optical communication," IEEE/OSA J. Opt. Commun. Netw. 1, 307-312 (2009).

Y. Li, R. Wang, G. Ding, J. S. Klamkin, L. A. Johansson, P. Herczfeld, J. E. Bowers, "Novel phase modulator linearity measurement," IEEE Photon. Technol. Lett. 21, 1405-1407 (2009).

2008 (1)

M. M. Karbassian, H. Ghafouri-Shiraz, "Transceiver architecture for incoherent optical CDMA network based on polarisation modulation," J. Lightw. Technol. 26, 3820-3828 (2008).

2006 (3)

N. Avlonitis, E. M. Yeatman, M. Jones, A. Hadjifotiou, "Multilevel amplitude shift keying in dispersion uncompensated optical systems," IEE Proc., Optoelectron. 153, 101-108 (2006).

T. Tokle, M. Serbay, J. B. Jensen, Y. Geng, W. Rosenkranz, P. Jeppesen, "Investigation of multilevel phase and amplitude modulation formats in combination with polarisation multiplexing up to 240 Gb/s," IEEE Photon. Technol. Lett. 18, 2090-2092 (2006).

Y. Han, G. Li, "Theoretical sensitivity of direct-detection multilevel modulation formats for high spectral efficiency optical communications," IEEE J. Sel. Topics Quantum Electron. 12, 571-580 (2006).

2002 (1)

K.-S. Hou, J. Wu, "A differential coding method for the symmetrically differential polarisation shift-keying system," IEEE Trans. Commun. 50, 2042-2051 (2002).

2001 (1)

I. I. Kim, B. McArthur, E. Korevaar, "Comparison of laser beam propagation at 785 nm and 1550 nm in fog and haze for optical wireless communications," Proc. SPIE, Opt. Wireless Commun. III 4214, 26-37 (2001).

1994 (1)

D. F. V. James, "Changes of polarisation of light beams on propagation in free space," J. Opt. Soc. Amer. A 11, 1641-1643 (1994).

1992 (1)

S. Betti, G. D. Marchis, E. Iannone, "Polarisation modulated direct detection optical transmission systems," J. Lightw. Technol. 10, 1985-1997 (1992).

1988 (1)

G. J. Foschini, L. J. Greenstein, G. Vannucci, "Noncoherent detection of coherent lightwave signals corrupted by phase noise," IEEE Trans. Commun. 36, 306-314 (1988).

IEE Proc., Optoelectron. (1)

N. Avlonitis, E. M. Yeatman, M. Jones, A. Hadjifotiou, "Multilevel amplitude shift keying in dispersion uncompensated optical systems," IEE Proc., Optoelectron. 153, 101-108 (2006).

IEEE J. Sel. Topics Quantum Electron. (1)

Y. Han, G. Li, "Theoretical sensitivity of direct-detection multilevel modulation formats for high spectral efficiency optical communications," IEEE J. Sel. Topics Quantum Electron. 12, 571-580 (2006).

IEEE Photon. J. (1)

A. Yi, L. Yan, B. Luo, W. Pan, J. Ye, "All optical signal regeneration in polarisation-division-multiplexing systems," IEEE Photon. J. 3, 703-712 (2011).

IEEE Photon. Technol. Lett. (3)

G. D. Xie, F. X. Wang, A. Dang, H. Guo, "A novel polarisation-multiplexing system for free-space optical links," IEEE Photon. Technol. Lett. 23, 1484-1486 (2011).

Y. Li, R. Wang, G. Ding, J. S. Klamkin, L. A. Johansson, P. Herczfeld, J. E. Bowers, "Novel phase modulator linearity measurement," IEEE Photon. Technol. Lett. 21, 1405-1407 (2009).

T. Tokle, M. Serbay, J. B. Jensen, Y. Geng, W. Rosenkranz, P. Jeppesen, "Investigation of multilevel phase and amplitude modulation formats in combination with polarisation multiplexing up to 240 Gb/s," IEEE Photon. Technol. Lett. 18, 2090-2092 (2006).

IEEE Trans. Commun. (3)

K.-S. Hou, J. Wu, "A differential coding method for the symmetrically differential polarisation shift-keying system," IEEE Trans. Commun. 50, 2042-2051 (2002).

N. D. Chatzidiamantis, A. S. Lioumpas, G. K. Karagiannidis, S. Arnon, "Adaptive subcarrier PSK intensity modulation in free space optical systems," IEEE Trans. Commun. 59, 1368-1377 (2011).

G. J. Foschini, L. J. Greenstein, G. Vannucci, "Noncoherent detection of coherent lightwave signals corrupted by phase noise," IEEE Trans. Commun. 36, 306-314 (1988).

IEEE/OSA J. Opt. Commun. Netw. (1)

X. Zhao, Y. Yao, Y. Sun, C. Liu, "Circle polarisation shift keying with direct detection for free-space optical communication," IEEE/OSA J. Opt. Commun. Netw. 1, 307-312 (2009).

IET Microw., Antennas Propag. (1)

X. Tang, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee, "Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel," IET Microw., Antennas Propag. 5, 1031-1038 (2011).

IET Optoelectron. (1)

A. O. Aladeloba, A. J. Phillips, M. S. Woolfson, "Improved bit error rate evaluation for optically pre-amplified free-space optical communication systems in turbulent atmosphere," IET Optoelectron. 6, 26-33 (2012).

J. Lightw. Technol. (4)

M. M. Karbassian, H. Ghafouri-Shiraz, "Transceiver architecture for incoherent optical CDMA network based on polarisation modulation," J. Lightw. Technol. 26, 3820-3828 (2008).

S. Betti, G. D. Marchis, E. Iannone, "Polarisation modulated direct detection optical transmission systems," J. Lightw. Technol. 10, 1985-1997 (1992).

M. Sjödin, E. Agrell, P. Johannisson, G. W. Lu, P. A. Andrekson, M. Karlsson, "Filter optimization for self-homodyne coherent WDM systems using interleaved polarisation division multiplexing," J. Lightw. Technol. 29, 1219-1226 (2011).

N. Cvijetic, D. Y. Qian, J. J. Yu, Y. K. Huang, T. Wang, "Polarisation-multiplexed optical wireless transmission with coherent detection," J. Lightw. Technol. 28, 1218-1227 (2010).

J. Opt. Soc. Amer. A (1)

D. F. V. James, "Changes of polarisation of light beams on propagation in free space," J. Opt. Soc. Amer. A 11, 1641-1643 (1994).

Proc. SPIE, Opt. Wireless Commun. III (1)

I. I. Kim, B. McArthur, E. Korevaar, "Comparison of laser beam propagation at 785 nm and 1550 nm in fog and haze for optical wireless communications," Proc. SPIE, Opt. Wireless Commun. III 4214, 26-37 (2001).

Other (5)

E. Hu, Y. Hsueh, K. Wong, M. Marhic, L. Kazovsky, K. Shimizu, N. Kikuchi, "4-level direct-detection polarisation shift-keying (DD-PolSK) system with phase modulators," Proc. Opt. Fiber Commun. Conf. Expo. (2003) pp. 647-649.

X. Tang, Z. Ghassemlooy, S. Rajbhandari, W. O. Popoola, C. G. Lee, E. Leitgeb, V. Ahmadi, "Free-space optical communication employing polarisation shift keying coherent modulation in atmospheric turbulence channel," Proc. 7th Symp. Commun. Syst., Netw. Digital Signal Process. (2010) pp. 663-668.

F. Nadeem, E. Leitgeb, M. S. Awan, G. Kandus, "Comparison of laser beam propagating at 780 nm and 1550 nm in fog and haze for optical wireless communications," Proc. Int. Workshop Satellite Space Commun. (2009) pp. 279-283.

J. G. Proakis, Digital Communications (McGraw-Hill, 2001).

I. S. Gradshteyn, I. M. Ryzhik, Table of Integrals, Series, and Products (Academic, 1994).

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