40G PAM4 Lithium niobate intensity modulator Fujitsu FTM7938EZ
Fujitsu FTM7938EZ single arm RF driver, suitable for modulation format DPSK/NRZ, Mach-Zehnder modulator, the highest speed up to 40Gbps; Low voltage drive; C+L band, zero chirp, high extinction ratio. Compared with the previous generation FTM7937EZ, FTM7937EZ has smaller insertion loss, and the actual insertion loss is less than 5.5db.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Modulation Format [ODB=Optical Duo-Binary] | NRZ/ODB/DPSK |
| Optical Bandwidth (-3dB) | ≥25 GHz |
| Operating Wavelength | 1530 to 1610 nm |
| Extinction Ratio at Low Frequency | ≥20 dB |
| Insertion Loss | ≤8 dB |
| RF impedance (Typ.) | typical:50 ohm |
| Monitor PD Responsivity | ≥0.001 A/W |
| Operating Case Temperature | -5 to 75°C |
| Package Size (L x W x H) | 89.8 x 13.2 x 9.5 mm / 3.54 x 0.52 x 0.37 inches |
| Driving Voltage (Vπ) @40Gbps [Single Drive；@40Gbps] | ≤3.5 V |
| -3dB Optical Bandwidth [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / from 1.5GHz (Smo5%)] | ≥25 GHz |
| Drive Voltage [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / at Low Frequency] | ≤2.8 V |
| Optical Insertion Loss [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / at C-band] | ≤7 dB |
| Optical Return Loss [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / Input / at C-band] | ≥30 dB |
| S11 Input Electrical Return Loss [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / 130M-30GHz] | ≥10 dB |
| S11 Input Electrical Return Loss [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / 30G-40GHz] | ≥6 dB |
| Responsivity (RmACout) [Report Specification column / TypeFTM7938EZ / λ=1.55µm, Tc=25°C / at C-band] | min:0.008 A/W；max:0.04 A/W |
Applications
Key Features
Datasheet
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