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A simple optical frequency comb generator with Nyquist temporal waveform by using of an intensity modulator (IM) in a Sagnac Loop is proposed. By properly adjusting the polarization of the output from the Sagnac loop, a quasi-rectangular-shaped 5-tone OFC with Nyquist temporal waveform is theoretically and experimentally demonstrated. But it is impossible to generate Nyquist pulses with more than...
A novel scheme to optically generate a microwave signal with frequency sextupling is proposed. The proposed scheme is based on cascading an intensity modulator (IM) and a dual-parallel Mach-Zehnder modulator (DPMZM), without any optical or electrical filter. The low frequency local oscillator signal is divided into two paths, with one path driving the IM at the minimum transmission point and the other...
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