This product implements IQ modulation based on silicon-based thin-film lithium niobate, with a 3 dB bandwidth of ≥20/40/60 GHz and a half-wave voltage of ≤3.5 V. It is suitable for applications in digital communications, microwave photonics, and related technology fields.
| Name | Model | Description | Parameter | Price |
|---|
● Small size, low insertion loss, low half-wave voltage
● Co-propagating input and output (same-side light in/out)
Chip Specifications (Unless otherwise noted, all measurements are at 25 °C)
Parameter | Symbol | Test Condition | Minimum Value | Typical Value | Maximum Value | Unit |
Operating Wavelength | λλ | 1550 (C-band) | nm | |||
Insertion Loss | IL | 1550 nm 0 dBm CW | 6.5 | 7 | dB | |
RF Half-Wave Voltage | Vπ | 1550 nm CW fmod=50kHz | 3.4 | 3.5 | V | |
3 dB Bandwidth | S21 | 20 / 40 / 60 | GHz | |||
Modulation Extinction Ratio | ER | 20 | dB | |||
RF Return Loss | S11 | -10 | Ω | |||
Thermal Tuning Resistance | RH | 80 | mW | |||
Thermal Tuning Pnn | Pπ | 50 | μm | |||
Input/Output Waveguide Mode Field Diameter | MFD | 9 | μm | |||
Input/Output Waveguide Pitch | Pitch | 1000 | μm | |||
Absolute Maximum Ratings
Parameter Name | Symbol | Rating Value | Unit |
Input Optical Power | Ps.o | 23 | dBm |
Input RF Power | Ps.rf | 23 | dBm |
Thermal Tuning Bias Voltage | VH | ±8 | V |
Operating Temperature | Tw | -40 ~ +85 | °C |
Storage Temperature | Ts | -40 ~ +85 | °C |
(Other structural dimensions can be customized)


Pin | Symbol | Remarks |
GSG1 | GSG1 | RF connection for Q |
GSG2 | GSG2 | RF connection for I |
PIN1 | Min | Input MPD (Monitor Optical Power) |
PIN2 | HQ | Thermal tuning for Q |
PIN3 | HQ | Thermal tuning for Q |
PIN4 | HP | Thermal tuning for P |
PIN5 | HP | Thermal tuning for P |
PIN6 | HI | Thermal tuning for I |
PIN7 | HI | Thermal tuning for I |
PIN8 | MInG | Input MPD cathode |
PIN9 | MOut | Output MPD anode (Monitor P bias) |
PIN10 | MOutG | Output MPD cathode |
PIN11 | MQ | Q MPD anode (Monitor Q bias) |
PIN12 | MQG | Q MPD cathode |
PIN13 | MI | I MPD anode (Monitor I bias) |
PIN14 | MIG | I MPD cathode |
Output | Output | Modulator optical output port |
Input | Input | Modulator optical input port |
Precautions for Use
Necessary ESD protection measures should be taken to prevent damage to the chip from static electricity.
Handle with great care to avoid touching the optical waveguide, which may affect transmission efficiency.
Welding pressure, temperature, and other parameters should be carefully controlled to avoid damaging the chip.
● Spectral Analysis
● OCT
● Optical Detection