Journal ArticleDOI
Compensation for fiber-induced composite second-order distortion in externally modulated lightwave AM-SCM systems using optical-phase conjugation
F. Ramos,Javier Martí +1 more
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TLDR
In this article, the optical phase conjugation (OPC) was used to compensate for composite second-order (CSO) distortion due to the interplay of fiber chromatic dispersion and self-phase modulation.Abstract:
Compensation for composite second-order (CSO) distortion due to the interplay of fiber chromatic dispersion and self-phase modulation in externally modulated amplitude modulated subcarrier multiplexing (AM-SCM) systems employing optical-phase conjugation (OPC) is investigated. The simulation results show that significant reductions (>20 dB) of fiber-induced CSO may be achieved using OPC, which results in an increase of the transmission distance in AM-SCM video distribution systems operating near 1550 nm. In addition, a comparison with another compensation technique, the phase modulation technique, is established, showing that OPC is much less sensitive to variations in the fiber length. However it is also calculated that for practical implementation of the OPC-based compensation technique, 25 to 30 dB reduction in the amplified spontaneous emission (ASE) associated with the OPC will be required.read more
Citations
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Journal ArticleDOI
Architectural considerations of fiber-radio millimeter-wave wireless access systems
TL;DR: In this article, four optical mm-wave generation and transport techniques: optical self-heterodyning, external modulation, up-and downconversion, and optical transceiver, are assessed from the technical viewpoint, their advantages and disadvantages are discussed.
Journal ArticleDOI
Cancellation of the signal fading for 60 GHz subcarrier multiplexed optical DSB signal transmission in nondispersion shifted fiber using midway optical phase conjugation
H. Sotobayashi,K. Kitayama +1 more
TL;DR: In this article, cancellation of the signal fading by using midway optical phase conjugation in mm-wave subcarrier multiplexed (SCM) optical double sideband (DSB) signal transmission is analyzed.
Journal ArticleDOI
Ultimate performance of optical DSB signal-based millimeter-wave fiber-radio system: effect of laser phase noise
TL;DR: In this paper, the phase noise of laser light source can be automatically eliminated by compensating the differential group delay due to the fiber dispersion between the two sidebands of the optical DSB signal.
Journal ArticleDOI
Compensation of chromatic dispersion effects in microwave/millimeter-wave optical systems using four-wave-mixing induced in dispersion-shifted fibers
TL;DR: In this article, the authors report theoretical and experimental results on the compensation of chromatic dispersion effects in microwave/millimeter-wave optical systems employing four-wave mixing induced in dispersion shifted fiber (DSF).
Journal ArticleDOI
Optimum Bias Point in Broadband Subcarrier Multiplexing With Optical IQ Modulators
TL;DR: In this article, a theoretical analysis of the tradeoff between carrier suppression and nonlinearities induced by optical IQ modulators in direct-detection subcarrier multiplexing systems is presented.
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.
Book
Fiber-Optic Communication Systems
TL;DR: In this article, the authors present an overview of the main components of WDM lightwave communication systems, including the following: 1.1 Geometrical-Optics Description, 2.2 Wave Propagation, 3.3 Dispersion in Single-Mode Fibers, 4.4 Dispersion-Induced Limitations.
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
Nonlinear distortion generated by dispersive transmission of chirped intensity-modulated signals
TL;DR: In this article, the authors derived expressions for second and third-order distortion using the time-domain form of the field envelope wave equation, and showed that the distortion predicted by these expressions agrees well with numerical simulation and reasonably well with experimental data.
Journal ArticleDOI
Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation
TL;DR: 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.
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