• Mini TOSA—The Minimalist Design in the Optical Transceiver

    “Everything should be made as simple as possible, but not simpler.” —Albert Einstein “Less is more”, the core idea of minimalism, is also a profound manifestation of the best performance and lowest cost through the simplest design in the field of communications. For example, the design of integrated circuits, the design of signal integrity and so on, including the main character of today’s article, the TOSA device in the optical transceiver. For converting electrical signals to light signals, as the emission device in the optical transceiver, the TOSA component is the core component of the optical communication industry. As the profound embodiment of minimalist design, the new mini TOSA designed by Gigalight is mainly applied to the 100G QSFP28 CWDM4 optical transceiver in data center. In terms of cost, the simple design reduced the total price by more than 30%. In terms of performance, the CWDM4 module is fully applicable to the application of the current data center by means of excellent coupling and bonding process. Compared with the traditional design, the new version mini TOSA uses a low cost…

    January 2, 2019 1 0 3
  • High-Speed 100G QSFP28 CWDM4 Optical Transceivers

    Since 2017, the 100G QSFP28 CWDM4 optical transceiver has been the most popular product in the DCI (Data Center Interconnection). This article mainly portrays what the 100G QSFP28 CWDM4 optical transceiver is and why it is so popular. What Is the 100G QSFP28 CWDM4 Optical Transceiver? This Multi-Source Agreement (MSA) defines 4x 25Gbps Coarse Wavelength Division Multiplex (CWDM) optical interfaces for 100Gbit/s optical transceivers for Ethernet applications including 100GbE. Two transceivers communicate over single mode fibers (SMF) of length from 2 meters to at least 2 kilometers, available in SR and LR versions. Why Are the 100G QSFP28 CWDM4 Optical Transceivers So Popular? Longer Transmission Distance The transmission distance of the 100G QSFP28 CWDM4 Optical Transceiver can reach 2km. Although the 100G QSFP28 LR4 optical transceiver can reach 10km, the cost of the 100G QSFP28 CWDM4 Optical Transceiver is much lower, and it can meet a variety of medium and long-distance transmission requirements in the data center. Therefore, 100G CWDM4 MSA Technical Specifications published by MSA is a good complement to the gap due to the high cost of 100G…

    December 28, 2018 0 0 3

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