Fiber Dispersion Influence on Transmission of the Optical Millimeter-Waves Generated Using LN-MZM Intensity Modulation

Ma, Jianxin; Yu, Jianjun; Yu, Chongxiu; Xin, Xiangjun; Zeng, Junying; Chen, L.

doi:10.1109/jlt.2007.907794

Cited by 200 publications

(88 citation statements)

References 29 publications

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“…External modulators may rely on modulating both the intensity [32] and the angle, i.e., phase or frequency, [33] of the optical carrier. The commonly employed external intensity modulators include the following.…”

Section: ) External Modulation Of the Laser Outputmentioning

confidence: 99%

“…Additionally, an ODSB signal is generated by the single and dual-drive MZMs of Fig. 7, when in Equation (2c) we have V bias = V π /2 + m2V π or V bias = −V π /2 + m2V π , where m is an integer [32], [46] and V (t) is the RF signal to be transmitted. The bias condition invoked for generating ODSB signals is referred to as quadrature biasing.…”

Section: ) Optical Double Side Band Intensity Modulationmentioning

confidence: 99%

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Millimeter-Wave Radio Over Fiber Optical Upconversion Techniques Relying on Link Nonlinearity

Thomas

El‐Hajjar

Hanzo

2016

IEEE Commun. Surv. Tutorials

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Abstract-A study of advanced upconversion techniques used in radio over fiber (ROF) is provided. With the huge increase in both the number of wireless communication subscribers and the bandwidth required per customer, migrating to higher frequencies, i.e., from lower radio frequency to millimeter-wave carriers, is an essential solution. However, due to the short propagation range of millimeter waves, a large number of radio access points are required for providing reliable coverage, which would increase the infrastructure costs. Hence, the transmission of RF signals between the central (or control) points and radio access points (or remote antenna units) using optical fibers is one of the major access network solutions that have been proposed for future high-bandwidth wireless communication systems. In this paper, we introduce the basics of ROF communication, including optical modulation, the optical channel, and the optical detection techniques. Then we survey the family of advanced optical upconversion techniques that exploit the nonlinearity of the ROF link. Specifically, we describe how optical upconversion can be achieved by exploiting the Mach-Zehnder modulator's nonlinearity, wavelength conversion techniques, or the photodetector's nonlinearity. The wavelength conversion techniques rely on the nonlinearities present in the fiber, in the optical amplifier, or in the electroabsorption modulator. Index Terms-Radio over fiber, direct modulation, external modulation, direct photo-detection, coherent photo-detection, mach zehnder modulator, cross phase modulation, self phase modulation, four wave mixing, stimulated raman scattering, stimulated brillouin scattering, optical frequency modulation, optical phase modulation, optical intensity modulation, optical single side band modulation, optical double side band modulation, optical carrier suppression modulation, sub carrier multiplexing, wavelength division multiplexing, optical N-tupling, optical upconversion, semiconductor optical amplifier, electro-absorption modulator, mach zehnder interferometer, highly nonlinear dispersion shifted fiber, nonlinear optical loop mirror, millimeter wave, 5G, microwave photonics.

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Section: ) External Modulation Of the Laser Outputmentioning

confidence: 99%

Section: ) Optical Double Side Band Intensity Modulationmentioning

confidence: 99%

Millimeter-Wave Radio Over Fiber Optical Upconversion Techniques Relying on Link Nonlinearity

Thomas

El‐Hajjar

Hanzo

2016

IEEE Commun. Surv. Tutorials

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“…The Frobenius norm of the tone is referred to as the intensity. Both the intensity [25] and the angle [26] of the optical carrier can be modulated using external modulators. External intensity modulation can be implemented using a Mach-Zehnder Modulator (MZM) or an Electro-Absorption Modulator (EAM).…”

Section: A Modulation Techniquesmentioning

confidence: 99%

Performance Improvement and Cost Reduction Techniques for Radio Over Fiber Communications

Thomas

El‐Hajjar

Hanzo

2015

IEEE Commun. Surv. Tutorials

139

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Abstract-Advanced cost reduction and performance improvement techniques conceived for Radio Over Fiber (ROF) communications are considered. ROF techniques are expected to form the backbone of the future 5G generation of wireless networks. The achievable link performance and the associated deployement cost constitute the most salient metrics of a ROF architecture. In this paper, we commence by providing a rudimentary overview of the ROF architecture and then elaborate on ROF techniques designed for improving the attainable system performance. We conclude by describing the ROF techniques conceived for reducing the ROF system installation costs.

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“…It is indicated from Figure 11 that after 20 km transmission, the power penalty is about 0.75 dB at the BER of 10 −9 . The power penalty is resulting essentially from the walk-off time, due to fiber chromatic dispersion, between the two optical harmonics [30]. and thus, the performance of the generated MMW signal is acceptable.…”

Section: Investigation the Quality Of The Generated Optical Mmw Signamentioning

confidence: 99%

A Cost-Effective Method for High-Quality 60 GHZ Optical Millimeter Wave Signal Generation Based on Frequency Quadrupling

Al-Shareefi¹,

Idris²,

Fareq³

et al. 2013

PIER

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Abstract-In this paper, we present a cost effective method to generate a high-quality quadruple frequency optical millimeterwave (MMW) signal using an integrated dual-parallel Mach-Zehnder modulator (IDP-MZM). Not only does the method minimize the complication of the central station (CS) and its frequency demand for the devices, but the generated optical MMW signal as well has good transmission performance. By properly adjusting the direct current (DC) bias, modulation index, and using two radio frequency (RF) driving signals with 135 • phase delay, a high quality dual tone optical MMW at 60 GHz is generated from a 15 GHz RF local oscillator (LO) with optical sideband suppression ratio (OSSR) as high as 32 dB and radio frequency spurious suppression ratio (RFSSR) exceeding 33 dB without optical filter when an IDP-MZM with 30 dB extinction ratio is utilized. Furthermore, the influences of a number of non-ideal parameters, such as imperfect extinction ratio, non-ideal RF driven voltage, and phase difference of RF-driven signals applied to two subMZMs of the IDP-MZM, on OSSR are studied through simulation. Finally, we build a Radio over Fiber system through simulation, and the transmission performance of the generated optical MMW signal is

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Fiber Dispersion Influence on Transmission of the Optical Millimeter-Waves Generated Using LN-MZM Intensity Modulation

Cited by 200 publications

References 29 publications

Millimeter-Wave Radio Over Fiber Optical Upconversion Techniques Relying on Link Nonlinearity

Millimeter-Wave Radio Over Fiber Optical Upconversion Techniques Relying on Link Nonlinearity

Performance Improvement and Cost Reduction Techniques for Radio Over Fiber Communications

A Cost-Effective Method for High-Quality 60 GHZ Optical Millimeter Wave Signal Generation Based on Frequency Quadrupling

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