23Sep, 2023

Silicon Photonics 400G DR4 Optical Modules : Paving the Way for 400G Transmission

The continuous growth of data centers and the demand for higher bandwidth and lower power consumption are driving constant innovations in optical communication technology. In this context, 400G DR4 silicon photonics products have emerged as a standout, thanks to their outstanding performance and groundbreaking technologies. Let’s delve into the overall characteristics of silicon photonics technology, its advantages in data center applications, and the key technological breakthroughs behind this achievement.

Characteristics of 400G DR4 Silicon Photonics Products

1. High Speed
400G DR4 silicon photonics products stand out with their incredibly high single-port transmission bandwidth. This high-speed capability offers greater flexibility and performance for data center applications, ensuring fast data transmission and processing.

2. Small Form Factor
Complementing their high-speed capabilities, 400G DR4 silicon photonics products come in compact form factors. They boast high panel density, providing more space for data center architecture, while accommodating the growing data demands with larger overall capacity.

3. Low Power Consumption
Despite their exceptional performance, 400G DR4 silicon photonics products prioritize energy efficiency. Their low-power design contributes to energy savings and reduces cooling requirements, a critical aspect for large data centers that helps lower operational costs.

Advantages of Matching 400G QSFP-DD DR4 Silicon Photonics Modules with 32-Port High-Capacity Switches

The perfect compatibility between 400G QSFP-DD DR4 silicon photonics modules and 32-port high-capacity switches brings a range of advantages to data centers:

1. Smallest Form Factor
With QSFP-DD packaging compliant with MSA standards, 400G QSFP-DD DR4 silicon photonics modules are currently the smallest in size among 400G optical modules. This provides 1U-high switches with exceptional port density, offering a total capacity of up to 1.28TBPS.

2. Silicon Photonics Integration Technology
These modules feature integrated components such as 7nm DSP, CW light sources, MZ modulators, silicon waveguides, detectors, and more. This internal integration significantly reduces chip size and lowers power consumption. It enhances performance while reducing energy consumption.

3. 100G PAM4 Technology
400G QSFP-DD DR4 silicon photonics modules adopt 100G PAM4 technology, including four parallel channels with a total data rate of up to 425Gbps, four times that of 100G optical modules. This delivers exceptional bandwidth performance, meeting the demands of high-speed data transmission.

Key Technological Breakthroughs in 400G QSFP-DD DR4 Silicon Photonics Modules

The success of 400G QSFP-DD DR4 silicon photonics modules relies on key technological breakthroughs, with one of the most significant being:

Silicon Lens Technology
Efficient coupling of silicon photonics is achieved through silicon lens technology. Under three temperatures, the response rate reaches as high as 0.8A/W, overcoming adverse effects like crosstalk. This technology enables perfect commercial production, ensuring customers have easy access to the superior performance of silicon photonics at 400G.

P1. Silicon Photonics Optical Module in Manufacture

P2. Silicon Photonics Optical Module in Manufacture

In conclusion, silicon photonics technology is paving the way for the future of data centers. With its high speed, small form factor, low power consumption, and compatibility with high-capacity switches, it has become a vital innovation in the field of optical communication. As data demands continue to grow, silicon photonics technology will evolve and strengthen, supporting high-performance and sustainable development in data centers. For more information on silicon photonics at 400G, please feel free to contact Gigalight.

22Sep, 2023

GIGALIGHT’s Live Unveiling of Silicon-Based 400G QSFP-DD LR4 Optical Module at ECOC 2023

[Shenzhen, China, September 22, 2023] GIGALIGHT, the open optical networking devices explorer, is excited to announce the successful development of a 400G QSFP-DD LR4 10km optical module based on silicon photonics technology. This groundbreaking product will be featured in a live demonstration at the 49th ECOC Exhibition from October 2-4, 2023 (Booth No.: 553).

GIGALIGHT’s silicon-based 400G QSFP-DD LR4 10km product fully adheres to the 400G-LR4-10 100G Lambda MSA standards, supporting single-mode fiber transmission of up to 10km while maintaining backward compatibility with 400G FR4 applications. This product features dual LC fiber connectors and employs the CWDM4 wavelength. Both the transmitter and receiver sides of the product utilize cutting-edge silicon photonics technology.

Key performance attributes include:

TX OMA optical power exceeding +0.3dBm.
TX per-channel TDECQ of less than 2.4dB.
RX OMA sensitivity meeting -6.8dBm @ 2.4E-4 Pre-FEC 53.125GBd.
Power consumption of less than 11W.

This product underwent a continuous 24-hour, 10km optical fiber transmission test in a 400GE traffic benchmark, achieving zero data loss with the assistance of KP4 FEC. GIGALIGHT plans to commence mass production of this product before the end of the current year.

Breaking new ground often involves navigating challenges. As the second global manufacturer to launch this module, after INTEL, GIGALIGHT has dedicated seven years to advancing the field of silicon photonics. We extend our heartfelt appreciation to all those who’ve stood by us through the demanding phases of this journey. Thanks to your steadfast support, silicon photonics has emerged from a formidable landscape into a promising frontier.

About GIGALIGHT

As an open optical networking explorer, Gigalight integrates the design, manufacturing, and sales of both active and passive optical devices and subsystems. The company’s product portfolio includes optical modules, silicon photonics modules, liquid-cooled modules, passive optical components, active optical cables, direct attach copper cables, coherent optical communication modules, and OPEN DCI BOX subsystems. Gigalight focuses on serving applications such as data centers, 5G transport networks, metropolitan WDM transmission, ultra-HD broadcast and video, and more. It stands as an innovative designer of high-speed optical interconnect hardware solutions.

19Jun, 2023

GIGALIGHT Unveils New Products and Demonstrates Silicon Photonics at Japan FOE Exhibition

Shenzhen, China, June 19, 2023 – From June 28th to 30th, GIGALIGHT will be showcasing an exciting range of new products and demonstrating silicon photonics technology at the Japan FOE Exhibition.
FOE Exhibition is one of Asia’s most influential optical communication exhibitions, gathering top global optical communication companies and professionals. We are honored to participate in this grand event and showcase the latest optical communication solutions at booth 14-40.

As a company dedicated to technological innovation and product excellence, we will present products in various fields and diverse application scenarios such as data centers, metropolitan telecommunications, industrial access and transmission, and high-definition video.

Specifically, our data center interconnect modules and cable series include high-speed multi-mode optical modules and AOCs, high-speed single-mode optical modules, direct attach copper cables (DAC), MPO cabling, and next-generation data center silicon photonics solutions. They are designed for short-distance connections within data centers, providing reliable transmission performance while ensuring efficient operation, reliability, higher bandwidth, and lower power consumption for data centers, thus contributing to smarter and more sustainable operating environments.

The metro DWDM module series offers 25G/50G/100G rate modules with outstanding performance and reliability. They provide high-speed, high-bandwidth transmission capabilities for metropolitan optical networks, meeting the growing data demands. Compared to traditional optical modules, our metro DWDM modules feature richer packaging options like SFP-DD and lower power consumption while delivering excellent transmission performance.

The XG(S) PON Combo PON modules support multiple PON standards, including XG-PON, XGS-PON, and Combo PON. These modules offer high integration and flexibility, delivering high-speed, high-quality broadband connections for optical access networks, meeting the needs of different operators and enterprises.

Our industrial Ethernet switch series provides cost-effective solutions for Ethernet connectivity in industrial environments. The products feature high reliability, stability, durability, industrial temperature range, high-speed transmission, and simple management. They are suitable for various industries such as manufacturing, energy, transportation, construction and infrastructure, mining and metallurgy, as well as military and defense, providing reliable network connectivity and communication solutions.

We sincerely invite industry colleagues to visit the GIGALIGHT booth (14-40) to experience our advanced technology and solutions. Our technical team will provide live demonstrations and solution consultations during the exhibition, sharing the latest trends and innovative applications in optical communication technology. Let’s exchange ideas and create the future of optical communication together!

About GIGALIGHT

As an open optical network device explorer, GIGALIGHT integrates the design, manufacturing, and sales of active and passive optical devices and subsystems. Its products mainly include optical modules, silicon photonics modules, liquid-cooled modules, passive optical components, active optical cables, direct attach copper cables, coherent optical communication modules, and OPEN DCI BOX subsystems. GIGALIGHT focuses on serving applications such as data centers, 5G transport networks, metropolitan wavelength division multiplexing (WDM) transmission, and ultra-high-definition broadcasting and video. It is an innovative high-speed optical interconnect hardware solutions provider.

9May, 2023

GIGALIGHT Launches 400G QSFP-DD/QSFP112 DR4++ SiPh Optical Modules, Unlocking Long-Distance Performance

Shenzhen, China, May 9, 2023 – To meet the increasing demand for high-speed transmission, low power consumption, and low insertion loss performance from data centers, communication operators, cloud computing service providers, and large enterprise users, GIGALIGHT today launched the 400G QSFP-DD/QSFP112 DR4++ 10km silicon photonics module, unlocking long-distance performance of silicon photonics.

As an open optical network device explorer, GIGALIGHT has already launched a variety of silicon-based integrated 100G and 400G optical modules for 500m to 10km transmission since the introduction of the 400G QSFP-DD DR4 500m SiPh optical module in 2021. Now, with mature silicon photonics integration technology, the power budget of the SiPh optical module can fully meet the 10km transmission requirements.

The GIGALIGHT 400G QSFP-DD/QSFP112 DR4++ 10km silicon photonics module has the following advantages:

400G QSFP-DD DR++

Compliant with QSFP-DD MSA, supports 8 channels of 50G-PAM4 electrical signals and 4 channels of 100G PAM4 optical signals, and supports dual-fiber transmission up to 10km. The module’s transmit end uses a highly integrated silicon photonics solution, and the receive end uses a PIN detector. OMA RXsen meets -7.1dBm @ 2.4E-4 Pre-FEC 26.5625GBd, and power consumption is less than 10W.

Next-generation 400G module: 400G QSFP112 DR++

Compliant with QSFP112 MSA, supports 4 channels of 112G-PAM4 electrical and optical signals, and supports dual-fiber transmission up to 10km. The module’s transmit end uses a highly integrated silicon photonics solution, and the receive end uses a PIN detector. OMA RXsen meets -7.1dBm @ 2.4E-4 Pre-FEC 53.125GBd, and power consumption is less than 10W.