Source Photonics Reveals High Speed 25G/50G PON Access Solutions at ECOC 2022

25G/50G PON provides a critical path to enable next step for fiber access evolution

Source Photonics, a global leader of innovative and reliable optical connectivity products for Access and Datacom applications, today announced the availability of its 25G and 50G PON OLT and ONU access solutions at the European Conference on Optical Communications (ECOC) – a premier industry exhibition held in Basel, Switzerland during September 19-21, 2022.

With 10G PON deployment well underway, the industry is looking at what will come next. 25G, 50G and even 100G are new being considered as successors to 10G PON by the IEEE, ITU, FSAN, 25GS-PON MSA and other standard bodies. The 25G and 50G PON OLT solutions leverage the latest development on high power optical EML chips and electrical IC chipset, can support downstream speed of up to 50Gbps, and upstream speed of up to 25Gbps, and maximize the reuse of the existing ODN infrastructure. Wavelength plans chosen by the standardization bodies support the two technologies to co-exist on the same fiber.

Based on vertical integration business model, Source Photonics have successfully developed 50G SOA integrated EML at 1342nm and subsequently applied to the design of 50G PON OLT transmitter; and similarly, 25G SOA integrated EMLs at 1358nm have been applied to the design of 25G PON OLT transmitters. Source Photonics has conducted in-depth cooperation with the world's leading PON equipment manufacturers, and initial product evaluation and qualification for 25G/50G PON OLT samples have been well under way with collaborative ecosystems.

PON is a widely deployed technology, supporting more than 680 million homes around the world, with forecasts of adding 30 million more household per year in next five years. The accumulated OLT/ONU deployments are expected to exceed 1 billion ports. 25G symmetric PON is cost-effective next step and natural evolution for fiber networks, especially since it leverages a large and mature ecosystem of existing optics used by data centers. 50G PONs introduce various new technologies like optical amplification, DSP and soft FEC, and stop to support co-existence of GPON and 10G GPON. 50G PON could next big thing once ecosystem is established maturely in a year or so.

According to Julie Kunstler, Chief Analyst at Omdia stated, “Omdia is forecasting uptake of both 25G PON and 50G PON. Initial deployments of 25G PON are underway, supporting high-end residential, business and enterprise services, xHaul transport, and smart city applications. Omdia is forecasting initial deployments of 50G PON in late 2023. PON technology has been widely deployed around the world by different types of operators, with strategies ranging from FTTH to converged access networks. The PON component and equipment market is robust, supporting a variety of upgrade strategies meeting different operator requirements.”

The newly developed SOA integrated EMLs of high launching power by Source Photonics empower the delivery of high performance 25G/50G PON OLT transceivers, Source Photonics is accepting sampling orders now. Source Photonics’ 25G and 50G PON OLT solutions include:

• 50G PON OLT N1/C+

QSFP28 form factor with SC/UPC for bi-direction transmission, optical and electrical speed at downstream are 49.7664Gbps NRZ and 2x24.8832Gbps NRZ respectively, optical speed at upstream is 24.8832Gbps with burst mode reception.

Transmitter at downstream use EML+SOA laser developed in house; transmit wavelength range at 1340 to 1344nm, launching power of over +8dBm, supporting 20/40m fiber transmission.

• 25G PON OLT N1/N2

SFP28 form factor with SC/UPC for bi-direction transmission, optical and electrical speed at downstream are the same as 25.78125Gbps NRZ, optical speed at upstream is 25.78125Gbps with burst mode reception.

Transmitter at downstream use EML+SOA laser developed in house; transmit wavelength range at 1356 to 1360nm, launching power of over +6.1dBm, supporting 20km fiber transmission.

Visit Us at ECOC 2022 exhibition

Source Photonics will be participating in ECOC’s exhibition this year and will showcase its complete PON family of XGS, 25G and 50G products for PON access market at Source Photonics Booth #211. The ECOC exhibition is taking place Sept 19-21, 2022.

About Source Photonics:

Source Photonics is a leading global provider of innovative and reliable technology that enables communications and data connectivity, in next-generation mobile and fixed-line access networks, in metro networks, and in data centers. We add value to our customers by developing next-generation solutions that enable their growth by meeting the rapidly increasing demands of cloud infrastructure, wireless communications, routing, and fiber-to-the-premises applications worldwide. Source Photonics is headquartered in West Hills, California, USA with manufacturing facilities, R&D, and Sales offices worldwide.

For more information about Source Photonics, please visit www.sourcephotonics.com.

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