Journal ArticleDOI
Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation
TLDR
In this paper, the optical phase conjugation at the midpoint of a 100-km standard single-mode fiber was used to compensate for the distortion of 10-Gb/s intensity-modulated NRZ pulse at an input power level exceeding +10 dBm with a resultant power penalty of less than 1.2 dB.Abstract:
Pulse shape distortion due to chromatic dispersion and self-phase modulation in a single-mode fiber was effectively compensated for by using an optical phase-conjugate wave generated by nondegenerate forward four-wave mixing in a zero-dispersion single-mode fiber. Using optical phase conjugation at the midpoint of a 100-km standard single-mode fiber compensates for the distortion of 10-Gb/s intensity-modulated NRZ pulse at an input power level exceeding +10 dBm with a resultant power penalty of less than 1.2 dB. >read more
Citations
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Journal ArticleDOI
Phase-conjugated twin waves for communication beyond the Kerr nonlinearity limit
TL;DR: In this paper, the transmission of a pair of phase-conjugated beams is shown to mitigate nonlinear distortion during optical fiber communication, allowing a 400 Gbit s−1 superchannel to be sent over 12,800 km of optical fibre.
Journal ArticleDOI
Exact compensation for both chromatic dispersion and Kerr effect in a transmission fiber using optical phase conjugation
Shigeki Watanabe,M. Shirasaki +1 more
TL;DR: In this article, a new method was proposed to compensate exactly for both chromatic dispersion and self-phase modulation in a transmission fiber, where the light intensity changes due to fiber loss and amplifier gain.
Journal ArticleDOI
Compensating for dispersion and the nonlinear Kerr effect without phase conjugation
TL;DR: A dispersive medium with a negative nonlinear refractive-index coefficient is proposed as a way to compensate for the dispersion and the nonlinear effects resulting from pulse propagation in an optical fiber to allow for increased bit rates.
Journal ArticleDOI
Nonlinear Impairment Compensation for Polarization-Division Multiplexed WDM Transmission Using Digital Backward Propagation
Fatih Yaman,Guifang Li +1 more
TL;DR: In this paper, a comprehensive treatment of digital backward propagation (DBP) accounting for the vectorial nature of optical transmission is presented, and it is verified that compensating only the incoherent nonlinear impairments not only has the advantage of requiring lower computational load but also removes the necessity of using phaselocked carriers for the signal or phase-locked local oscillators.
Journal ArticleDOI
Dispersion compensation for optical fiber systems
B. Jopson,A. Gnauck +1 more
TL;DR: Much of the currently embedded optical fiber was originally designed for light with a wavelength of 1.3 microns, but if this fiber is to be used with tomorrow's optically amplified, high-speed, long span-length lightwave system operating at 1.5 micron, the chromatic dispersion in the fiber must be compensated.
References
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Book
Nonlinear Fiber Optics
TL;DR: The field of nonlinear fiber optics has advanced enough that a whole book was devoted to it as discussed by the authors, which has been translated into Chinese, Japanese, and Russian languages, attesting to the worldwide activity in the field.
Journal ArticleDOI
Compensation for channel dispersion by nonlinear optical phase conjugation.
TL;DR: It is proposed that the process of nonlinear optical phase conjugation can be utilized to compensate for channel dispersion and hence to correct for temporal pulse broadening.
Journal ArticleDOI
Stimulated Brillouin Scattering in Monomode Optical Fiber
TL;DR: In this paper, the important dependence of the SBS gain and threshold on the spectrum and modulation parameters of the optical transmitter is discussed and possible techniques for suppressing SBS in optical communications systems are discussed.
Journal ArticleDOI
Wavelength conversion experiment using fiber four-wave mixing
TL;DR: In this article, the authors used the wavelength region around the zero-dispersion wavelength of an optical fiber to convert 622 Mbt/s FSK signal light from 1555.2 to 1547.6 nm with a conversion efficiency of -24 dB.
Journal ArticleDOI
Compensation of chromatic dispersion in a single-mode fiber by optical phase conjugation
TL;DR: In this paper, the effective compensation of waveform distortion due to chromatic dispersion in a singlemode fiber was demonstrated using an optical phase-conjugate wave generated by nondegenerate forward four-wave mixing in a zero-dispersion single-mode fiber.