NDLI: Sampling rate influence in up and down mixing of QPSK and OFDM signals using an SOA-MZI in a differential configuration

Content Provider	IET Digital Library
Author	Termos, H. Rampone, T. Sharaiha, A.
Abstract	Up and down frequency conversions in the range of 0.5–39.5 GHz are performed by using a Semiconductor Optical Amplifier–Mach-Zehnder interferometer (SOA-MZI) in a differential configuration as a sampling mixer. The authors show that increasing the sampling frequency by a ratio of 2.5 (from 7.8 to 19.5 GHz) improves the efficiency and the quality of the optical transmission of QPSK and OFDM signals due to a better signal level and a lower aliased noise power when the sampling rate is higher. At the high sampling rate, the obtained EVM is sufficiently low for allowing data bit rates higher than 1 Gbit/s and 245 Mbit/s, respectively, for QPSK and OFDM modulated data.
Starting Page	990
Ending Page	991
Page Count	2
ISSN	00135194
Volume Number	54
e-ISSN	1350911X
Issue Number	Issue 16, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/54/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.1321
Journal	Electronics Letters
Publisher Date	2018-07-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Converter Data Bit Rates Demodulator Differential Configuration Discriminators And Mixers Down Frequency Conversions EVM Frequency 0.5 GHz to 39.5 GHz Lower Aliased Noise Power Mach-Zehnder Interferometers Microwave Circuit And Device Microwave Frequency Converter Microwave Mixers Microwave Photonics Modulation And Coding Method Modulator OFDM Modulation OFDM Signal Downmixing OFDM Signal Upmixing Optical Modulation Optical Transmission Quality QPSK Signal Downmixing QPSK Signal Upmixing Quadrature Phase Shift Keying Sampling Mixer Sampling Rate Influence Semiconductor Laser Semiconductor Optical Amplifier-Mach-Zehnder Interferometer Semiconductor Optical Amplifiers Signal Level SOA-MZI UHF Frequency Converter UHF Mixers Up Frequency Conversions
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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