Commercial high-speed silicon (Si) Mach-Zehnder modulator (MZM) required to be active around the quadrature bias point (linear transmission area) with low power consumption, small footprint, and small drive voltage. The bias controlling is done by an optical phase-shifter (PS). However, the ...
In this structure, the upper sub-MZM is driven by I/Q signals and biased at the quadrature point to modulate a baseband vector signal on the optical carrier. The lower sub-MZM is driven by a LO signal and is biased at the maximum transmission point (MATP) to generate the optical ...
In this structure, the upper sub-MZM is driven by I/Q signals and biased at the quadrature point to modulate a baseband vector signal on the optical carrier. The lower sub-MZM is driven by a LO signal and is biased at the maximum transmission point (MATP) to generate the optical ...
The MZM DC bias point of the linear regime (quadrature point) in this example is 5 V, as shown in Figure 2a. Using a lower voltage bias point, of 4.1 V as an example, leads to operation within the non-linear regime. The eye diagrams of two different transmission schemes using two ...
Simulation results show that the bit error rate (BER) for baseband signal in the system is acceptable with dc-bias variation of+ 0.1V in the quadrature bias point.%采用双极型MZM对有线和无线信号实行混合调制,调制后的信号经20km标准单模光纤传输,有线和无线接收端均获得清晰张开的眼图.在无线接收端...
In this structure, the upper sub-MZM is driven by I/Q signals and biased at the quadrature point to modulate a baseband vector signal on the optical carrier. The lower sub-MZM is driven by a LO signal and is biased at the maximum transmission point (MATP) to generate the optical ...
Intensity modulation and direct detectionWe experimentally demonstrate the generation of polarization-division-multiplexing quadrature-phase-shift-keying (PDM-QPSK) modulated vector signal adopting Mach-Zehnder-modulator-based (MZM-based) optical-carrier-suppression (OCS) intensity modulation and direct ...
In this paper, we compare MZM modulation techniques such as double sideband full carrier and single sideband (SSB) [biased at quadrature and minimum power transmission (MPT) point] with a novel modified SSB OFDM technique. To the best of our knowledge for the first time, a mathematical model...
The MZM DC bias point of the linear regime (quadrature point) in this example is 5 V, as shown in Figure 2a. Using a lower voltage bias point, of 4.1 V as an example, leads to operation within the non-linear regime. The eye diagrams of two different transmission schemes using two ...