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A distributed feedback semiconductor optical amplifier (DFB-SOA) based optical vector network analyzer (OVNA) is proposed. The proposed OVNA is realized by mapping the transmission response of the optical device under test (ODUT) into electrical domain. The key principle of the OVNA is the optical carrier recovery resulted by the DFB-SOA. Using the proposed OVNA, the transmission spectrum of an optical...
Real-time THz-wave wireless OFDM communication, which is assisted by optical technology, is reported. A 4 × 10 Gbit/s THz-wave OFDM signal is transferred into an optical OFDM signal, and the optical OFDM signal is successfully demultiplexed into four sub-carrier channels with an integrated-optic DFT circuit.
A novel optically tunable frequency-multiplying optoelectronic oscillator (OEO) to generate a high frequency microwave signal without employing an optical filter is proposed. The upper dual parallel Mach-Zehnder modulator (DP-MZM) integrated in a dual-polarization quadrature phase shift-keying (DP-QPSK) modulator is accurately biased to serve as an equivalent phase modulator (e-PM), which functions...
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