40G DP-BPSK Lithium niobate modulator Modulator Fujitsu FTM7980EDA
This optical modulator is a LiNbO₃ DP-BPSK Dual-Drive Mach-Zehnder modulator with modulation speed of up to 21.5Gbaud. This modulator comprises 3dB coupler, two BPSK modulators, polarization rotator followed by the polarization beam combiner and the built-in monitor PD chips for automatic bias control (ABC) for the compensation system of DC-drift and other phenomena. The FTM7980EDA modulator supports the advanced Dual Polarization-DPSK modulation scheme. In general, the DPSK format is particularly suitable for 40G ULH applications; in combination with coherent detection the 2*20G polarization multiplexed version is very attractive as an upgrade to existing 10G links to a 40G transmission rate without modification of the link.
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Overview
Specifications
| Parameter | Value |
|---|---|
| 工作温度 [外壳温度] | min:-5 degC；max:75 degC |
| 工作波长 | min:1528 nm；max:1612 nm |
| RF驱动电压 (差分驱动) [2 x Vpi @21.5Gbaud] | max:3.5 Vpp |
| EO传递函数(S21)的电带宽 [相对于1.5GHz下降3dB] | min:20 GHz |
| 插入损耗 [每 complete plans偏振均处于最大透射状态，None连接器 / C波段] | max:14.5 dB |
| 插入损耗 [每 complete plans偏振均处于最大透射状态，None连接器 / L波段] | max:15.0 dB |
| 偏振Related Categories损耗 [|Loss (X) – Loss(Y)| @ C波段] | typical:0.6 dB |
| 相对EO时延偏差 [X与Y相比] | min:-8.2 ps；max:+1.8 ps |
| DC 消光比 [低频] | min:20 dB |
| 啁啾Parameters [平衡输入] | min: -0.2; max: 0.2 |
| 封装尺寸（L x W x H） | 82.5 x 13.2 x 7.0 mm / 3.25 x 0.52 x 0.27 inches |
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Key Features
Datasheet
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