A 60-GHz Radio-Over-Fiber Fronthaul Using Integrated Microwave Photonics Filters

To lower the cost and to improve the reliability of next generation fronthaul links, we propose and demonstrate an analog 60-GHz radio-over-fiber fronthaul link employing two wavelength-tunable integrated microwave photonics filters for the first time. An integrated notch filter is cascaded with an...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 29; no. 19; pp. 1663 - 1666
Main Authors Yu Tian, Shijie Song, Powell, Keith, Ka-Lun Lee, Lim, Christina, Nirmalathas, Ampalavanapillai, Xiaoke Yi
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Band-pass filters
Bandpass filters
Computer simulation
Error correction
Error detection
Fronthaul
Microwave filters
Microwave photonics
millimeter wave communication
Notch filters
Optical attenuators
Optical fiber communication
Optical filters
Optical receivers
Photonics
radio over fiber
resonator filters
Wave filters
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Summary:To lower the cost and to improve the reliability of next generation fronthaul links, we propose and demonstrate an analog 60-GHz radio-over-fiber fronthaul link employing two wavelength-tunable integrated microwave photonics filters for the first time. An integrated notch filter is cascaded with an integrated bandpass filter to offer the optical filtering function, resulting in a dual-passband filter profile with frequency separation of 60.25 GHz. We prove that the integrated optical filters are able to provide acceptable system performance through both experiment and numerical simulation. 4QAM signal with a bit rate of 5 Gb/s is transmitted in a fiber-based fronthaul link achieving a receiver sensitivity of -5.8 dBm at the forward error correction limit with 7% overhead.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2017.2742526