Analog Microwave Fiber Optic Communications Links

Stephens, William; Joseph, Thomas; Chen, B.U.

doi:10.1109/mwsym.1984.1131851

Cited by 4 publications

(6 citation statements)

References 2 publications

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“…46, the modulated LOOS enters port 2 and exits via port 3 of the optical circulator. It is then transmitted to the RAP and photo-detected for generating an upconverted signal 9 A plot representing the extent to which various frequencies are absorbed. [64].…”

Section: ) Techniques Based On the Non-linearity Of The Eammentioning

confidence: 99%

“…1, where the wireless RF signal is converted into an optical signal using an electronic-to-optical (EO) converter that is located at the BS of Fig. 1 [9]. The optical signal then propagates through the fiber and it is detected using an optical-to-electronic (OE) converter that is located in the RAP for recovering the original RF signal.…”

mentioning

confidence: 99%

“…ROF COMMUNICATION BASICS Fig. 1 shows the block diagram of a typical ROF link [9], which includes the BS, optical fiber and the RAP. As shown in Fig.…”

mentioning

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: ) Techniques Based On the Non-linearity Of The Eammentioning

confidence: 99%

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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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“…3 [7]. The downlink (DL) baseband (BB) signal is generated in the BS and upconverted to the carrier frequency in order to generate the RF signal.…”

Section: Rof Communications Basicsmentioning

confidence: 99%

“…Fig. 1 shows the simplified diagram of a ROF link, where the wireless Radio Frequency (RF) signal is converted into an optical signal in an electrical-to-optical (E-O) converter at the BS [7]. The optical signal is transmitted through the fiber and detected at the RAP, where an optical-to-electrical (O-E) converter recovers the original RF signal, which is amplified and transmitted from the RAP antenna to the Mobile Station (MS), as shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Performance Improvement and Cost Reduction Techniques for Radio Over Fiber Communications

Thomas

El‐Hajjar

Hanzo

2015

IEEE Commun. Surv. Tutorials

141

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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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RETRACTED ARTICLE: Enhancing long-haul radio over fiber systems through chromatic dispersion mitigation using cascaded IDCF and apodized fiber bragg grating

Soumitra,

Zacharias

2023

Opt Quant Electron

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Analog Microwave Fiber Optic Communications Links

Cited by 4 publications

References 2 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

RETRACTED ARTICLE: Enhancing long-haul radio over fiber systems through chromatic dispersion mitigation using cascaded IDCF and apodized fiber bragg grating

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