Optical module is a kind of high-tech products integrating optics, electronics and packaging technology, widely used in communication, data center, medical equipment and other fields. Optical module is a device for light transmission. It converts electrical signals into light signals, transmitting through optical fiber.

Optical module power refers to the output optical signal power of the module. Optical power is one of the important indexes of performance evaluation of optical module. It will directly affect the optical signal transmission quality and distance.

Optical power unit is milliwatts (mW), usually used to represent the optical module of the output light signal strength. Optical power, the greater the said the higher the strength of the light signal, transmission distance is more far. While the smaller the optical power, said the lower the intensity of the light signal, transmission distance is shorter.

Optical module power is under the influence of many factors. First is the design of the optical module itself and the manufacturing process. Optical module within the light source and a photoelectric converter directly affects the quality of the optical power output. High quality light source and a photoelectric converter can provide higher optical power output.

The second is the optical module drive current. The size of the drive current will affect the strength of the light source, which affect the optical power output. Reasonable selection and drive current control can realize the best output optical power.

Optical module working temperature will influence the light power. At too high or too low temperature light light power modules may change, appear even unstable situation. Therefore, keep the optical module in the appropriate operating temperature range, can ensure the stability of the optical power output.

Optical power testing and monitoring of operation and maintenance of the optical module is very important. Through regular testing light power, optical module fault and problems can be found in a timely manner, and take corresponding measures to repair and adjust. In addition, the monitoring of optical power can also be used to judge whether the link quality and transmission distance of the optical fiber meets the requirements, and assess the performance of the optical network.

In the process of the use of optical module, we can use some methods to optimize the optical power output. First, select the appropriate optical module type and specification, according to the requirement of the actual demand to determine the optical power. Second, maintain the cleanness of optical module and a good work environment, avoid the influence of dust and pollutants optical power. Finally, the optical module for detection and maintenance regularly, ensure the stability of the normal work and optical power output.

Optical power is one of the important evaluation indicators of module performance and the transmission quality. By reasonable selection of optical module, the control of drive current, maintain appropriate temperature and regular testing and maintenance, can achieve the best output optical power, improve the performance and reliability of the optical network.

Optical module power dissipation is an important parameter, which directly affects the performance and reliability of the optical module. Power dissipation is refers to the optical module in the working process of the consumption of power. optical module power dissipation mainly from optical transceiver chip, driver circuit and packaging materials and other parts. In order to guarantee the normal work of the optical module, need to rational design and control of power dissipation.

In the design of optical transceiver chip, power dissipation is an important factor. Optical transceiver chip is the core component of optical module, which is responsible for converts electrical signals into light signals, and the light signal into electrical signal. The power dissipation directly affects the optical transceiver chip optical module transmission performance and power consumption. In order to reduce power dissipation, optical transceiver chip need to adopt the low power design, and use efficient photovoltaic devices.

Driver circuit is an important part of control optical module work, it is responsible for providing the power and control signals. Drive circuit of the power dissipation mainly comes from the drive chip and power supply circuit. In order to reduce the power dissipation of drive circuit can be driven by low-power chips and efficient power circuit design. In addition, you can by optimizing the control algorithm and reduce the working voltage to reduce power consumption.

Packaging materials also have certain influence to the power dissipation of optical module. Packaging material is an important part of the protection optical module internal components, is also the key of heat conduction. Suitable packaging materials can provide good heat conduction performance, the power dissipation uniform heat dissipation. Packaging materials of good heat conduction performance can effectively reduce the power dissipation of optical module.

Optical module power dissipation is one of the important parameters affecting the performance and reliability. Reasonable design and control can reduce the power dissipation and improve the performance of optical module and the work efficiency. At the same time, paying attention to the optical module in the working process of the heat dissipation problem is needed, to ensure the stability and reliability of the optical module. In the development of the future, as technology advances, believe optical module power dissipation is reduced, for the application of various fields to provide more efficient and reliable solutions.

C-light 100km QSFP28 ZR4 Features

·Compliant with QSFP28 Standard: SFF-8661 Rev 2.5, SFF-8636 Rev 2.10a

·LAN WDM EML cooled laser and SOA+PIN cooled Receiver

·High speed l/o electrical interface (CAUI-4) compliant with IEEE 802.3bm-2015

·100GBASE-ZR4 103.125G or OTU4 112G 100km point-to-point Ethernet links

·High RX sensitivity of -29~-32dBm 5E-5 with enabled KR4 FEC in host for 100km SMF

·Single 3.3v Supply Voltage

·Power Dissipation 4.5W at 55C, 6.5W at 70°c Case Operating Temperature

·Universal QSFP28 MSA package with duplex LC connector

·Two Wire Serial lnterface with Digital Diagnostic Monitoring

·Complies with EU Directive 2011/65/EU(RoHS compliant)

·LP Mode, ModPrsL, ModSelL and ResetL are supported

·Class 1 Laser