A Full-Duplex Radio-Over-Fiber Link Based on a Dual-Polarization Mach–Zehnder Modulator

Tang, Zhenzhou; Pan, Shilong

doi:10.1109/lpt.2016.2514612

Cited by 42 publications

(10 citation statements)

References 16 publications

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“…Experimental results show that the OHDSR exceeds 36 dB, which is better than the conventional OCS scheme in general. Furthermore, as the proposed scheme can generate high frequency RF signal and pure optical carrier by setting different polarization angle of the polarizer, which may be attractive to the radio over fiber system based on optical carrier wavelength reuse .…”

Section: Resultsmentioning

confidence: 99%

Simplified microwave signal generation using carrier polarization-suppressed double sideband modulation and no optical filtering

Gao

Zhai

et al. 2017

Microw. Opt. Technol. Lett.

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A simple and versatile method to realize optical generation of microwave signal using carrier polarization‐suppressed double sideband modulation and no optical filtering is proposed and experimentally demonstrated. By simply adjusting the polarization direction of the polarizer, the optical carrier generated by the single‐drive intensity modulator along one polarization direction is polarization‐suppressed by the pure optical carrier along another orthogonal polarization direction. A high spectrum purity 20 GHz electrical signal with more than 36 dB optical harmonic distortion suppression ratio is generated when the driving signal is 10 GHz. The system is simple, cost‐effective and fast frequency tuned as no optical filtering technique is required, which may be attractive to the radio over fiber system. © 2017 Wiley Periodicals, Inc. Microwave Opt Technol Lett 59:840–843, 2017

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Section: Resultsmentioning

confidence: 99%

Simplified microwave signal generation using carrier polarization-suppressed double sideband modulation and no optical filtering

Gao

Zhai

et al. 2017

Microw. Opt. Technol. Lett.

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“…In a small-cell architecture, it would be advantageous if the laser could be omitted from the RRU to reduce the cost and power consumption [25], [26]. The centralization of the light generation for the uplink path allows for sharing the laser between multiple cells and relaxes the stringent temperature control requirements at the RRUs.…”

Section: Reflective Modulator Operationmentioning

confidence: 99%

SiPhotonics/GaAs 28-GHz Transceiver With Reflective EAM for Laser-Less mmWave-Over-Fiber

Bogaert

Kerrebrouck

et al. 2021

J. Lightwave Technol.

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Exploring mmWave frequencies and adopting smallcell architectures are two key enablers for increased wireless data rates. To make these evolutions economically viable, centralized architectures based on radio-over-fiber (RoF) are devised. To reduce the complexity of the cellular network even further, RF-over-Fiber transmission schemes are adopted in combination with reflective uplink operation. This paper relies on a very low complexity narrowband GaAs electronics / Si photonics transceiver for scalable RFoF architectures with which we demonstrate a fiber-wireless link capable of transmitting over 7 Gb/s in down-and uplink for a 2 km fiber and 5 m wireless link in the 28 GHz band. Furthermore, it is shown that Rayleigh degradation caused by reflective uplink operation can be avoided by using a coherent detection scheme.

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“…The optical heterodyne coherent detection for the 64-QAM is realized with 2×2 and 90º optical hybrid for converting the phase information into optical intensity equivalent. The generated optical signal is passed through the balanced detector (BD) using high speed photo detector converts the optical signal into I and Q signals [16], [17]…”

Section: Figure 2 Proposed 60 Ghz Rof Linkmentioning

confidence: 99%

High Capacity 64-Quadrature Amplitude Modulation Based Optical Coherent Transceiver for 60 GHz Radio Over Fiber System

Chack

Thool

2021

Preprint

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Today’s world demands for maximum bandwidth utilization in the area of optical fiber network to achieve serious progress due to data consumption has been grown by > 25% as compared to last year. 5G system is one of the promising technology cater for high bandwidth utilization between multiple transceivers and have the advantages to operate in the milli-meter wave (mm-wave) of 60 GHz. There is much interest of photonic technique such as optical heterodyne coherent detection to produce mm-wave frequencies. We propose a 60 GHz radio over fiber (RoF) link using 168 Gb/s high capacity input data rate based 64-Quadrature amplitude modulation (64-QAM), coherent detection using optical heterodyning and advanced digital signal processing (ADSP) based system. An optimized version of optical heterodyne technique is used to derive 60 GHz radio frequency (RF) signal for connecting radio nodes over wireless link. In order to compensate the irregularities effect of standard signal mode fiber (SSMF), a novel ADSP technique is used which allows good improvement in the spectral signal efficiency and achieved longer distance communication. The ADSP technique plays a key role to achieve high capacity data rate requirements for forthcoming 5G technologies. The proposed RoF system shows that an error free transmission is accomplished over 170 km SSMF and achieved BER is 2.7×10-3 against 7.015 % error vector magnitude (EVM) with 30 dB Signal to Noise ratio (SNR).

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A Full-Duplex Radio-Over-Fiber Link Based on a Dual-Polarization Mach–Zehnder Modulator

Cited by 42 publications

References 16 publications

Simplified microwave signal generation using carrier polarization-suppressed double sideband modulation and no optical filtering

Simplified microwave signal generation using carrier polarization-suppressed double sideband modulation and no optical filtering

SiPhotonics/GaAs 28-GHz Transceiver With Reflective EAM for Laser-Less mmWave-Over-Fiber

High Capacity 64-Quadrature Amplitude Modulation Based Optical Coherent Transceiver for 60 GHz Radio Over Fiber System

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