Optical module and TWDM passive optical network

The invention discloses an optical module and a TWDM passive optical network, belonging to the technical field of optical fiber communication. The optical module comprises a laser and a drive circuitof the laser, wherein the laser is a DML laser, and the drive circuit is used for driving, according to a received electric signal, the DML laser to emit an optical signal with a wavelength of 1260nm-1280nm. Through adoption of the optical module and the TWDM passive optical network, the optical signal can be transmitted in a long distance at low cost. 本发明揭示了种光模块及TWDM无源光网络，属于光纤通信技术领域。所述光模块包括激光器及其驱动电路，所述激光器为DML激光器，所述驱动电路用于根据接收的电信号驱动所述DML激光器发射波长为1260nm-1280nm的光信号。上述光模块及TWDM无源光网络能够低成本实现光信号的长距离传输。