100G IQ-QAM Lithium niobate modulator Modulator Oclaro Oclaro PM100 Series
The modulator is a Maher Zed modulator and a four arm RF driver.It is suitable for modulation format DP-QPSK,guaranteed bias input and output,the highest speed can reach 128Gbps,and C+L band operation. The PM100 modulator supports the generally accepted Dual Polarization-QPSK modulation scheme; each of four parallel MZI’s running at speeds of up to 32Gbaud. The very advanced, spectrally highly efficient QPSK modulation format, combined with the polarization multiplexing scheme, guarantees compatibility with 50GHz optical channel spacing and more than doubles the capacities of conventional 40G transmission. This product uses very advanced chip and packaging technologies that have evolved from Oclaro’s extremely reliable and high-performing standard MZI modulators. A meticulous chip design features low insertion loss (with very small polarization depend loss) as well as a high bandwidth and a quasi-linear electro-optic roll-off. In addition, the PM100 form factor is designed according to the widely accepted OIF 100G TX Implementation Agreement. The modulator combines two nested QPSK MZI modulators and a polarization combiner in the same package. A polarization maintaining 3dB-splitter in the input directs light of same power-level to the two parallel QPSK sub-sections. The signals from the two QPSK sub-sections are then combined into a single output fiber with orthogonal polarizations. Two high bandwidth photodiodes, one at the output of each QPSK sub-section, are also integrated.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Storage Temperature [Absolute maximum ratings / Top=25°C, unless otherwise specified] | -40 to +85 °C |
| Maximum Temperature Variation Rate [Absolute maximum ratings / Top=25°C, unless otherwise specified] | +/- 10 |
| Max Input Power (Electrical) [Absolute maximum ratings / Top=25°C, unless otherwise specified / RF-port, AC coupled] | 10 dBm |
| Max Input Power (Optical) [Absolute maximum ratings / Top=25°C, unless otherwise specified / CW] | 100 mW |
| Max Voltage at RF input [Absolute maximum ratings / Top=25°C, unless otherwise specified / No RF applied] | +/- 4 |
| Monitor Photodiode Reverse Voltage [Absolute maximum ratings / Top=25°C, unless otherwise specified] | 15 V |
| Monitor Photodiode Reverse Current [Absolute maximum ratings / Top=25°C, unless otherwise specified] | 2 mA |
| Monitor Photodiode Forward Current [Absolute maximum ratings / Top=25°C, unless otherwise specified] | 10 mA |
| DC Voltage at DC port [Absolute maximum ratings / Top=25°C, unless otherwise specified / Push-pull] | +/- 30 |
| DC Voltage at DC port [Absolute maximum ratings / Top=25°C, unless otherwise specified / Single ended] | +/- 60 |
| Operating Case Temperature Tₒₚ | min:-5 °C；max:75 °C |
| Relative humidity [Non condensing] | min:5 %；max:85 % |
| Maximum Top Variation Rate | max:2 °C/min |
| Operating Input Optical Power | max:17 dBm |
| Operating Wavelength, C-band | min:1528 nm；max:1570 nm |
| Optical Input Polarization Extinction Ratio | min:18 dB |
| Monitor PD Reverse Bias Voltage | max:5 V |
| RF input ports | SMPM |
| Bias Ports | Dual solder pins, “floating” for differential voltage |
| Optical Input | Polarization Maintaining Fiber (PMF - Panda) |
| Optical Output | Polarization Maintaining Fiber (PMF - Panda) |
| Input Pigtail Length | min:800 mm |
| Output Pigtail Length | min:1300 mm |
| Input Fiber | 400µm PM fiber |
| Output Fiber | 400µm PM fiber |
| Fiber pigtail Cabling (input & output) | 900 mm flame retardant loose tube |
| Minimum Bending Radius | 15 mm |
| Insertion Loss both polarization [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / BOL / Insertion loss has to be measured before connectorization at the maximum of the modulator’s transfer functions.] | max:8.5 dB |
| Insertion Loss both polarization [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / worst case operating conditions, EOL / Insertion loss has to be measured before connectorization at the maximum of the modulator’s transfer functions.] | max:9 dB |
| Phase-MZI Optical Extinction Ratio [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / measured @ DC] | min:22 dB |
| RF-MZI Optical Extinction Ratio [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / measured @ DC] | min:23 dB |
| Optical Return Loss (in and out) [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min: 30 |
| RF-MZI Drive Voltage [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / @ 31.4 Gb/s DPSK (PRBS) / Test set up to be agreed] | max:7 V |
| RF-MZI - 3 dB E/O Bandwidth [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / wrt. 2 GHz 3rd order fit] | min:23 GHz |
| Skew between RF-input of each QPSK section [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min:-3 ps；max:3 ps |
| Skew between any RF-input, including optical paths [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min:-10 ps；max:10 ps |
| RF-MZI Electrical Return Loss S11 [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / Up to 15 GHz] | max:-12 dB |
| RF-MZI Electrical Return Loss S11 [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / 15 GHz – 20 GHz] | max:-10 dB |
| RF-MZI Electrical Return Loss S11 [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / 20 GHz – 30 GHz] | max:-8 dB |
| Alpha parameter [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min: -0.15; max: 0.15 |
| RF MZI Bias Vπ Voltage | min:4 V；max:9.5 V |
| Phase MZI Bias Vπ Voltage | min:4 V；max:9.5 V |
| Bias voltage range, EOL | min:-21 V；max:+21 V |
| Bias voltage range, EOL | min:-42 V；max:+42 V |
| Bias port impedance [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / @ DC] | min:0.1 MΩ；typical:1 MΩ |
| X&Y Polarization Orthogonality [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min:-5 °；max:+5 ° |
| Polarization depend loss [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / worst case operating conditions, EOL] | min:-1.2 dB；max:+1.2 dB |
| Responsivity [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / With respect to output power] | min:80 mA/W；max:500 mA/W |
| Monitor Bias Shift [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min:-3 %；max:+3 % |
| Linearity [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | max:10 % |
| PD bandwidth [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified] | min:1 GHz |
| PD Dark current [Top=25°C, BOL, wavelength 1550 nm, unless otherwise specified / 5V Reverse Voltage] | max:20 nA |
Applications
Key Features
Datasheet
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