Optical module

An optical module, comprising:

• a lower shell;
• an upper shell covering and connecting to the lower shell, and forming a shell of the optical module with the lower shell;
• a circuit board located in the shell, the circuit board being formed thereon with a mounting hole;
• an optical emission component embedded in the mounting hole, the optical emission component comprising:
• an emission base embedded in the mounting hole;
• and
• a light emitting assembly arranged on the emission base, the light emitting assembly being connected to a surface of the circuit board by wire bonding and configured to generate 2N paths of optical signals, wherein N≥1;
• a first optical reception component arranged on the circuit board and configured to receive N paths of optical signals, the first optical reception component being connected to a surface of the circuit board;
• a second optical reception component arranged on the circuit board and configured to receive N paths of optical signals, the second optical reception component being connected to a surface of the circuit board;
• an optical transmission assembly comprising a first optical fiber, a second optical fiber, a third optical fiber, a first optical fiber adapter, a second optical fiber adapter, a third optical fiber adapter and a fourth optical fiber adapter, wherein the first optical fiber is connected to the optical emission component;
• the second optical fiber is connected to the first optical reception component and passes by a side of the emission base;
• the third optical fiber is connected to the second optical reception component and passes by a side of the emission base;
• the first optical fiber adapter and the second optical fiber adapter are respectively connected to the first optical fiber;
• the third optical fiber adapter is connected to the second optical fiber;
• and the fourth optical fiber adapter is connected to the third optical fiber;
• and
• an optical fiber-fixing component comprising an optical fiber bracket, a first gasket and a second gasket, wherein the first optical fiber adapter, the second optical fiber adapter, the third optical fiber adapter and the fourth optical fiber adapter are assembled and connected to the optical fiber bracket in layers;
• the first gasket is sleeved on the second optical fiber adapter and the third optical fiber adapter;
• the second gasket is sleeved on the first optical fiber adapter and the fourth optical fiber adapter;
• and the upper shell and the lower shell squeeze the optical fiber bracket, the first gasket and the second gasket to fix the first optical fiber adapter, the second optical fiber adapter, the third optical fiber adapter and the fourth optical fiber adapter.