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We propose and demonstrate a novel and simple scheme to generate flattened optical subcarriers using only phase modulators driven by single frequency fundamental sinusoidal sources. 160.8Gb/s PM-QPSK experiment over a single subcarrier has been demonstrated.
We propose and experimentally demonstrate a novel scheme to generate optical frequency-locked multicarrier by using a recirculation frequency shifter (RFS) loop based on multifrequency shifting single-sideband (MFS-SSB) modulation with improved tone-to-noise ratio (TNR) performance. Theoretical study shows that we can generate N subcarriers for each round trip without interference by using MFS-SSB,...
Two novel optical phase modulation formats, the staggered differential phase-shift keying (SDPSK) with return-to-zero (RZ) and carrier-suppressed return-to-zero (CSRZ) shape, are proposed and compared by numerical simulation for 100 Gbit/s medium-range transmission. RZ-SDPSK and CSRZ-SDPSK signals are generated by cascading two phase modulators and a dual-arm Mach-Zehnder modulator. The demodulation...
Two novel optical phase modulation formats, the staggered differential phase-shift keying (SDPSK) with return-to-zero (RZ) and carrier-suppressed return-to-zero (CSRZ) shape, are proposed and compared by numerical simulation for 100 Gbit/s medium-range transmission applications. The demodulation of two phase formats can be achieved on 1 bit rate through only one Mach-Zehnder delay interferometer and...
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