400G Coherent Modulator
NLT-400G-COH · 400G QPSK Coherent Modulator
A core device for high-speed optical communication. Supports long-haul, high-capacity data transport, leveraging the excellent electro-optic performance of thin-film lithium niobate.
SPECIFICATIONS
| Model | NLT-400G-COH |
| Modulation format | QPSK / 16-QAM (external DSP) |
| Wavelength | C / C+L band (1525 – 1570 nm) |
| Modulation bandwidth | ≥ 60 GHz |
| Insertion loss | ≤ 5 dB (typical) |
| Vπ | ≤ 3.5 V (typical) |
| Die size | 4 × 60 mm |
| Package | GSG RF pads / single-mode fiber coupling |
KEY FEATURES
Ultra-Wide Modulation Bandwidth
Supports long-haul coherent transmission scenarios and 400G QPSK plus higher-order modulation formats.
Low Insertion Loss
Improves system link budget and reduces the need for optical amplifiers.
Wide Operating Wavelength Range
Covers both C and C+L bands; compatible with mainstream optical-communication systems.
Compact Die Form Factor
Easier optical-module integration and lower BOM cost.