Bandwidth 40GHz, DQPSK Modulator, Sumitomo T.SBXH1.5-35PD-ADC, Lithium Niobate Fiber IQ Modulator
General Descriptions
This optical modulator is a Ti:LiNbO3 DQPSK Single-Drive Mach-Zehnder modulator with modulation speed of up to 50GBaud.
This optical modulator integrates a monitor PD chip and coupler function for automatic bias control (ABC) for the compensation system of DC-drift and other phenomena.
40GHz IQ Modulator with the Features of
- Low Drive Voltage, RF VπVoltage 3.75V@32GpBaud, Typ.
- 200Gbps(50GBaud, 16QAM) Mach-Zehnder Modulator Using Ti-diffused LiNbO3 Waveguide Technology for DQPSK Transmission Format.
- Separated DC Bias Port, Integrated Monitor Photodiode for Auto Bias Control
- Low Insertion Loss, ≤9.0dB Typ.
- Integrated Monitor Photodiode for Auto Bias Control
- PMF at Input and SMF Output
- Applications – 200Gps DWDM DQPSK / IQ / Coherent Optical Transmission System, Measurement Equipment for High Speed Telecommunications, QAM Modulation.
- Applications – Carrier Suppress Single Side Band (SSB-CS).
Specifications
| Test Parameter | Test Conditions | Min. | Max. | Unit |
| Operating Wavelength | C-band | 1528 | 1568 | nm |
| Operating Temperature | without condensation | -5 | 75 | deg.C |
| Operating Humidity | without condensation | 5 | 85 | % |
| Optical Insertion Loss | For each polarization
Alll MZ’s at Max. Transmission |
9 | dB | |
| Optical Return Loss | Input and Output | 30 | dB | |
| Chirp “Alpha” Parameter | Guaranteed by Design | -0.2 | +0.2 | – |
| DC Extinction Ratio for Main MZ | Sub MZ’s at Max. Transmission | 22 | dB | |
| DC Extinction Ratio for Sub MZ | Other Sub MZ’s at Min. Transmission | 22 | dB | |
| Optical 3dB Bandwidth | 2GHz Ref, 3% Smoothing | 35 | GHz | |
| Optical 6dB Bandwidth | 2GHz Ref, 3% Smoothing | 45 | GHz | |
| RF Port Drive Voltage | Vpi @ 32GBaud | 3.75 | Vpp | |
| Vpi at Main MZ DC Port | Phase Pins | 6 | V | |
| Vpi at Sub MZ DC Port | Bias Pins at I or Q | 6 | V | |
| Bias Voltage at DC Port | Phase, I or Q | -15 | +15 | V |
| RF Skew (I/Q Skew) | (I-Q) | -30 | +30 | ps |
| RF Skew variation | Referenced to 35deg.C | 2 | ps | |
| Electrical Return Loss | 30GHz to 40GHz | -8 | dB | |
| Monitor PD Responsivity | Reference to Optical Output Power | 50 | 500 | mA/W |
| Monitor PD Bandwidth | 1MHz Ref. | 1 | GHz | |
| RF Interface | G3PO Male | |||
| Input Fiber (PMF) | Bared by default | FC/APC | LC/PC | Optional |
| Output Fiber (SMF) | LC by default | FC/APC | LC/PC | Optional |
