High speed optical transceiver module
View Patent ↗The present disclosure discloses a high speed optical module having a PCBA component and a passive optical element. The PCBA component includes a receiver and a transmitter. The transmitter includes an amplifier chip and a photodiode array connected to pins of the amplifier chip. The transmitter includes a laser driving chip and a base. Multiple lasers are arranged side by side in the base. The lasers are connected to the laser driving chip. A plurality of fiber interfaces are arranged on output light paths corresponding to the plurality of lasers. The passive optical element includes ferrules corresponding to the plurality of fiber interfaces, and the ferrules are correspondingly inserted into the plurality of fiber interfaces in a one-to-one relationship. The passive optical element is inserted into the PCBA component by fiber interfaces arranged on the PCBA component.
1. A high-speed optical transceiver module, comprising:
a printed circuit board assembly (PCBA) component having a receiver and a transmitter; and
a passive optical element, wherein
the receiver comprises an amplifier chip and a photodiode array connected to pins of the amplifier chip;
the transmitter comprises a laser driving chip and a base;
the base comprises a plurality of lasers arranged side by side;
the plurality of lasers are connected to the laser driving chip;
a plurality of fiber interfaces are arranged on output light paths corresponding to the lasers;
the passive optical element comprises ferrules corresponding to the fiber interfaces and a fiber array for emitting light on the photodiode array of the receiver; and
the ferrules are inserted into the plurality of fiber interfaces in one-to-one correspondence.
2. The high-speed optical transceiver module of claim 1 , wherein the plurality of lasers comprise 4 lasers, and the plurality of fiber interfaces comprise 4 fiber interfaces.
3. The high-speed optical transceiver module of claim 2 , wherein the passive optical element is a multi push on (MPO) connector, the MPO connector having the ferrules and the fiber array at a first end and a mechanical transfer (MT) pin at a second end opposite the first end.
4. The high-speed optical transceiver module of claim 2 , wherein the passive optical element is a MPO connector having a tail fiber with an optical connector, the MPO connector comprises a tail sleeve, the tail sleeve comprises the ferrules and the fiber array on a first end and the tail fiber on a second end.
5. The high-speed optical transceiver module of claim 4 , wherein the optical connector is one of an arrayed connector, a lucent connector (LC), and a subscriber connector (SC).
6. The high-speed optical transceiver module of claim 2 , wherein the passive optical element is a wavelength division multiplexer comprising a multiplexing component and a demultiplexing component, the de-multiplexing component comprises an arrayed waveguide grating (AWG) chip, and an end of the AWG chip is mounted on the photodiode array.
7. The high-speed optical transceiver module of claim 6 , wherein an end face of the AWG chip is a slope having a slope angle of 41 to 45 degrees.