Circle Polarization Shift Keying With Direct Detection for Free-Space Optical Communication

Zhao, Xinhui; Yao, Yong; Sun, Yunxu; Liu, Chao

doi:10.1364/jocn.1.000307

Cited by 78 publications

(26 citation statements)

References 15 publications

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“…The line linear polarized light is decomposed into two lines of orthogonal linear polarized light after polarization beam splitter, respectively, denoted as 3 E , 4 E ,…”

Section: Space Laser Communication System's Cpoldqpsk Modulation Amentioning

confidence: 99%

“…CPolSK modulat ion was proposed on the basis of orthogonal linear po larization PolSK modulat ion (L-Po lSK). The modulat ion method with low bit error rate characteristics like L-PolSK modulat ion, at the same time also has many advantages than L-PolSK [3]. According to the laser polarization characteristics and the characteristics of modulation technology, we used two different modulations CPo lSK and CPo lDQPSK using Optisystem software to simu late, and obtained their receiv ing waveforms and bit error rate parameters and so on.…”

Section: Introductionmentioning

confidence: 99%

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Circle Polarization Phase Shift Keying Technology Research Based on Space Laser Communication System

Guo¹,

Chen²,

Zhang³

2015

Proceedings of the International Conference on Computer Information Systems and Industrial Applications

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“…The line linear polarized light is decomposed into two lines of orthogonal linear polarized light after polarization beam splitter, respectively, denoted as 3 E , 4 E ,…”

Section: Space Laser Communication System's Cpoldqpsk Modulation Amentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Circle Polarization Phase Shift Keying Technology Research Based on Space Laser Communication System

Guo¹,

Chen²,

Zhang³

2015

Proceedings of the International Conference on Computer Information Systems and Industrial Applications

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“…Under this technique, information is encoded as different states of polarization (SOPs) of the laser source by an external modulator (i.e., a Mach-Zehnder modulator) [5]. For an optical beam, polarization states are the most stable properties compared with the amplitude and phase when propagating though a turbulent channel [6]. Various PolSK schemes have been proposed for FSO transmission systems [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Polarization Modulated DirectDetection Optical CDMA Systems over Turbulent FSO LinksModeled by the Gamma-Gamma Distribution

Bai

Sato

2015

Photonics

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This paper proposes a theoretical study to characterize the transmission of optical code division multiple access (CDMA) systems deploying polarization shift keying (PolSK) over a free space optical (FSO) link under the impact of atmospheric turbulence. In our analysis, a novel transceiver architecture for atmospheric OCDMA FSO systems based on polarization modulation with direct detection is proposed and discussed. A detailed analytical model for PolSK-OCDMA systems over a turbulent FSO link is provided. Further, we derive a closed-form bit error ratio (BER) and outage probability expressions, taking into account the multiple-access interference (MAI), optical noise and the atmospheric turbulence effect on the FSO link modeled by the Gamma-Gamma distribution. Finally, the results of this study show the most significant parameters that degrade the transmission performance of the PolSK-OCDMA signal over FSO links and indicate that the proposed approach offers improved bit error ratio (BER) performances compared to the on-off-keying (OOK) modulation scheme in the presence of turbulence.

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“…The atmospheric turbulence is caused by the fluctuations of the atmosphere's refractive index due to inhomogeneities in temperature and pressure in atmosphere [4,5]. This leads to random fluctuations in the direction, intensity and phase of the laser beam carrying the information [6].…”

Section: Introductionmentioning

confidence: 99%

“…Stokes parameters are used to represent the SOP so the symbol constellation is scattered over a three-dimensional (3-D) space [11]. PolSK offers high immunity to the laser phase noise [9,11]; and maintains SOPs over a long propagation link [5,7]. In comparison to DPSK and FSK modulation techniques, the PolSK signal doesn't suffer from excess frequency chirp generated by the all-optical processing devices [9].…”

Section: Introductionmentioning

confidence: 99%

Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel

Tang

Ghassemlooy

Rajbhandari

et al. 2011

IET Microw. Antennas Propag.

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In this paper, analytical and simulation results for the bit error rate (BER) performance and fading penalty of a coherent optical binary polarization shift keying (2PolSK) heterodyne system adopted for a free space optical (FSO) communication link modeled as the log-normal and the negative exponential atmospheric turbulence channels are presented. The conditional and unconditional BER expressions are derived, demonstrating the comprehensive similarity between the 2PolSK and the binary frequency shift keying (2FSK) schemes with regards to the system sensitivity. The power penalty due to the non-ideal polarization beam splitter (PBS) is also analyzed. The receiver sensitivity employing 2PolSK is compared with other modulation schemes in the presence of turbulence and the phase noise. The results show that 2PolSK offers improved signal-to-noise ratio (SNR) performance compared to the binary amplitude shift keying (2ASK).

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Circle Polarization Shift Keying With Direct Detection for Free-Space Optical Communication

Cited by 78 publications

References 15 publications

Circle Polarization Phase Shift Keying Technology Research Based on Space Laser Communication System

Circle Polarization Phase Shift Keying Technology Research Based on Space Laser Communication System

Performance Analysis of Polarization Modulated DirectDetection Optical CDMA Systems over Turbulent FSO LinksModeled by the Gamma-Gamma Distribution

Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel

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