Broadband all-order polarization mode dispersion compensation using liquid-crystal modulator arrays

Akbulut, Mehmetcan; Weiner, Andrew M.; Miller, Peter J.

doi:10.1109/jlt.2005.861143

Cited by 19 publications

(9 citation statements)

References 41 publications

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“…In our work we adopt this all-order view and aim to sense and correct polarization state and spectral phase in parallel on a wavelength by wavelength basis. Our experiments, to our knowledge, are the first to demonstrate full compensation of PMD in the "all-order" regime [19,20].…”

Section: B Polarization-mode Dispersion Compensationmentioning

confidence: 73%

Fourier information optics for the ultrafast time domain

Weiner

2007

Appl. Opt.

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Ultrafast photonic signal processing based on Fourier optics principles offers exciting possibilities to go beyond the processing speeds of electronics technologies for applications in high-speed fiber communications and ultrawideband wireless. I review our recent work on processing of ultrafast optical signals via conversion between time, space, and optical frequency (Fourier) domains. Specific topics include optical arbitrary waveform generation, application of optical pulse shaping technologies for wavelength-parallel compensation of fiber transmission impairments and for experimental studies of optical code-division multiple-access communications, and application of photonic methods for precompensation of dispersion effects in wireless transmission of radio-frequency signals over ultrawideband antenna links.

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Section: B Polarization-mode Dispersion Compensationmentioning

confidence: 73%

Fourier information optics for the ultrafast time domain

Weiner

2007

Appl. Opt.

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“…Now considering the SM fiber as a binary symmetric channel that indicates equal probability of occurrence for a '0' and a '1' bit ( i.e., P(0)=P(1)= 0.50). Using the (10) and (11) in (8) we can express the BER conditioned on a given value of ∆τ as,…”

Section: Theoretical Analysismentioning

confidence: 99%

“…Recently, the performance of optical DPSK system with direct detection receiver is reported in presence of PMD [7]. Several attempts have been reported to compensate the effect of PMD in electronic as well as in optical domain [8]- [11]. Although there are many approaches reported to minimize the effect of PMD, there is no analytical development to evaluate the impact of PMD on the BER performance of an optical transmission system.…”

Section: Introductionmentioning

confidence: 99%

Performance limitations of an optical IM-DD transmission system due to polarization mode dispersion

Islam

Majumder

2006

SPIE Proceedings

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An analytical approach is presented to evaluate the impact of polarization mode dispersion on the average bit error rate (BER) performance of an intensity modulated direct detection (IM-DD) optical transmission system considering Maxwellian distribution for the differential group delay (DGD). The results show that the performance of an IM-DD system suffers power penalty of 0.27 dB, 0.45 dB and 2.4 dB corresponding to mean DGD of 20 ps, 35 ps and 40 ps respectively at a BER of 10 -9 operating at a bit rate of 10 Gb/s. Furthermore, at increased values of the mean DGD there occur BER floors above 10 -9 which can not be lowered by further increasing the signal power. It is noticed that BER floors occur at about 2x10 -9 , 10 -7 and 10 -5 corresponding to mean DGD of 45 ps, 50 ps and 60 ps respectively at 10Gb/s. The effect of PMD is found to be more detrimental at higher bit rates.

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“…LCs are now considered as promising materials for the development of intelligent (i.e., dynamically reconfigurable) optical telecommunication networks [3][4][5][6][7][8]. For example, LC micro displays (LCD's), which consist of LC planar cells capable of changing the polarization state of light, may be used as a part of VOAs, optical switches, optical routers, tunable filters and polarization control devices.…”

Section: Introductionmentioning

confidence: 99%

Composite Liquid Crystalline Mixtures for Guided Wave Electro–Optic Applications

Tork

Dumont

Zohrabyan

et al. 2008

Molecular Crystals and Liquid Crystals

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A low refractive index multifunctional composite liquid crystalline mixture is proposed to address the issues of in-guide tuning of optical properties. As the standard optical telecommunication line is made of fused silica, signal phase and amplitude modulation using liquid crystal requires that its refractive indices match the refractive index of silica, which is low compared to the majority of commercially available mixtures. In the present work, low molecular mass liquid crystals are mixed with fluorinated additives to adjust refractive index below a critical limit (n < 1.4584 at D-line) without impacting significantly on the nematic temperature range (T CN ¼ À24 C and T NI ¼ 68 C). A method of reducing the surface anchoring energy of liquid crystals to glass surface is also proposed as a non contact alignment method around the reduced diameter optical fibers. The bulk elastic energy around the fiber acts as an alignment mechanism when LC-fused silica molecular interactions are minimized. The combination of these two properties makes possible the in-guide modulation of the light phase and amplitude with the liquid crystal used as an outer-cladding electro-controllable medium, significantly improving insertion losses.

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Broadband all-order polarization mode dispersion compensation using liquid-crystal modulator arrays

Cited by 19 publications

References 41 publications

Fourier information optics for the ultrafast time domain

Fourier information optics for the ultrafast time domain

Performance limitations of an optical IM-DD transmission system due to polarization mode dispersion

Composite Liquid Crystalline Mixtures for Guided Wave Electro–Optic Applications

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