Abstract: A photonic integrated circuit (PIC) chip has an empty area and includes a grating coupler array, a photodetector array, an optical modulator module, a plurality of optical waveguides, and a plurality of bonding pads. The photodetector array is configured to transform a light signal from the grating coupler array into an electrical signal. The optical modulator module is configured to modulate a light beam from the grating coupler array such that light with a specific wavelength in the light beam is output from the grating coupler array. The optical modulator module and the photodetector array are coupled with the grating coupler array through the optical waveguides. The bonding pads are electrically connected to the optical modulator module and the photodetector array. The grating coupler array, the photodetector array, the optical modulator module, the optical waveguides, and the bonding pads are disposed around the empty area.

Abstract: A photonic integrated circuit (PIC) is adapted to an optical transmitter. The optical transmitter includes a printed circuit board (PCB), a photonic integrated circuit, and a set of PCB bond wires. The PCB includes a transmitter circuit with a set of signal output ports. The photonic integrated circuit includes a substrate, a micro ring modulator and a matching circuit. The substrate has a set of input pads. The micro ring modulator is located on the substrate and includes a set of electrical pads. The input pads are electrically connected to the electrical pads. The matching circuit is electrically connected to the electrical pads. The PCB bond wires are electrically connected to the signal output ports and the input pads. An impedance value of the matching circuit and the PCB bond wires substantially matches the modulation impedance value.

Abstract: An optical transceiver module and an optical cable module using the same are provided. The optical transceiver module: a substrate; at least one optical receiving device connected to the substrate; a plurality of optical transmitting devices connected to the substrate, wherein the optical transmitting devices comprise a plurality of first optical transmitting devices and a plurality of second optical transmitting devices, and the optical transmitting devices are misaligned to each other.

Abstract: Provided is an optical transceiver module, comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and the optical transmitting devices are arranged in an alternating manner. The optical transceiver module effectively utilizes the internal space thereof for a compact design and can have a simple structure for manufacturing.

Abstract: Provided is an optical cable module, comprising an optical fiber cable, and an optical transceiver module. The optical transceiver module comprises a substrate; at least one optical transmitting device connected to the substrate; a plurality of optical receiving devices connected to the substrate, wherein the optical receiving devices are cylindrical optical receiving devices, and an air tightness of each of the cylindrical optical receiving devices is in a range of 1×10-12 atm*cc/sec to 5*10-7 atm*cc/sec; at least one optical receiving holder configured to assemble the optical receiving devices, wherein the optical receiving devices are secured in the optical receiving holder.

Abstract: An optical transceiver module and an optical cable module using the same are provided. The optical transceiver module: a substrate; at least one optical receiving device connected to the substrate; a plurality of optical transmitting devices connected to the substrate, wherein the optical transmitting devices comprise a plurality of first optical transmitting devices and a plurality of second optical transmitting devices, and the optical transmitting devices are misaligned to each other.

Abstract: The present invention is to provide an optical transceiver module comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and there is a tilt angle between the optical transmitting devices and the substrate.

Abstract: Provided is an optical cable module, comprising an optical fiber cable, and an optical transceiver module. The optical transceiver module comprises a substrate; at least one optical transmitting device connected to the substrate; a plurality of optical receiving devices connected to the substrate, wherein the optical receiving devices are cylindrical optical receiving devices, and an air tightness of each of the cylindrical optical receiving devices is in a range of 1×10-12 atm*cc/sec to 5*10-7 atm*cc/sec; at least one optical receiving holder configured to assemble the optical receiving devices, wherein the optical receiving devices are secured in the optical receiving holder.

Abstract: Provided is an optical transceiver module, comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and the optical transmitting devices are arranged in an alternating manner. The optical transceiver module effectively utilizes the internal space thereof for a compact design and can have a simple structure for manufacturing.

Abstract: The present invention is to provide an optical transceiver module comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and there is a tilt angle between the optical transmitting devices and the substrate.

Abstract: A multiple antenna control mechanism for wireless analog communications is disclosed. The control mechanism includes an antenna switch unit, a receiver unit, and a control unit. The antenna switch unit has multiple sets of reception antennas and associated low-noise amplifiers, and a single-pole-multiple-throw RF switch. It receives a wireless by transmitted RF signal that is carrying analog signals. The RF signal is amplified (and down-converted to an intermediate frequency), filtered, and demodulated by the receiver unit. The resulting RF/IF signal is then fed to the control unit for comparison, analysis and identification. When the reception signal quality is poor, the control unit signals the antenna switch unit to change to another reception antenna for maintaining good reception conditions.