O-Band SOA at 1310 nm: How to Select a Semiconductor Optical Amplifier

September 03 09:42 2026

Zibo City, Shandong Province,China-September 3, 2026

What Is an O-Band SOA

SOA stands for Semiconductor Optical Amplifier.

Unlike an EDFA that uses Erbium Doped Optical Fiber as the gain medium, an SOA uses a semiconductor optical gain structure to amplify the input optical signal.

This technology can provide optical amplification in wavelength regions that are not covered by a standard C-band EDFA.

For systems operating around 1310 nm, an O-Band Soa can therefore be considered as an optical amplification solution.

WSEELINK provides an O-Band Semiconductor Optical Amplifier designed for the 1290 to 1330 nm wavelength range.

Why 1310 nm Optical Amplification Is Different

Many fiber amplifier products are designed around the 1550 nm C-band.

However, optical communication systems can also operate around the 1310 nm region.

This wavelength region is close to the zero dispersion wavelength of standard single mode fiber, which makes the O-band important for certain optical communication applications.

A conventional C-band EDFA cannot be used directly to amplify a 1310 nm signal.

For this reason, customers searching for a 1310 nm optical amplifier will often evaluate a Semiconductor Optical Amplifier rather than a standard EDFA.

WSEELINK O-Band SOA Specifications

The WSEELINK O-Band Soa operates from 1290 to 1330 nm.

Its input optical power range is specified from minus 20 dBm to plus 6 dBm.

The output optical power can reach up to 10 dBm.

Typical optical gain is approximately 14 dB.

The typical Noise Figure is approximately 7.5 dB, with a maximum specified value of 8 dB.

The module has a compact size of approximately 130 by 100 by 15 mm and uses a nominal 5 V power supply.

APC, AGC and ACC control modes are supported.

The product can also be configured in 1x and 2x array structures depending on system requirements.

O-Band SOA for High Speed Optical Communication

The O-Band Soa is designed for high speed optical signal amplification.

One of the listed application directions is a 100G communication system.

In a high speed optical transmission system, amplifier selection should consider much more than wavelength.

Input optical power, required gain, output optical power, Noise Figure and the complete link budget should all be reviewed.

The amplifier should therefore be selected according to the optical signal conditions of the actual system.

O-Band SOA for Fiber Optic Sensing

Fiber Optic Sensing is another application direction for the WSEELINK O-Band SOA.

When a sensing system operates within the 1290 to 1330 nm wavelength range, a Semiconductor Optical Amplifier can be used to increase optical signal power according to the optical architecture.

For sensing applications, engineers should pay attention to input power, gain, noise characteristics and the required amplifier position in the system.

The SOA should be evaluated together with the laser source, optical fiber, detector and signal processing section.

O-Band SOA vs C-Band EDFA

O-Band Soa and C-Band EDFA serve different wavelength requirements.

A typical C-Band EDFA operates around 1528 to 1565 nm.

The WSEELINK O-Band SOA operates from 1290 to 1330 nm.

This wavelength difference is one of the most important factors when choosing between the two amplifier technologies.

For a 1550 nm optical communication system, an EDFA is normally the more relevant product family.

For a system operating around 1310 nm, an O-Band SOA provides the required wavelength coverage.

Other parameters such as output power, gain, noise figure, mechanical dimensions and power consumption should then be compared according to the actual system.

What Information Should Buyers Provide

To select the correct Semiconductor Optical Amplifier Module, customers should provide the operating wavelength, input optical power range, required output power and gain.

The required control mode, connector type, mechanical dimensions, supply voltage and operating environment should also be confirmed.

If the SOA will be integrated into an existing optical platform, information about the optical source and receiver can also help with product selection.

WSEELINK Optical Amplifier Solutions

WSEELINK provides O-Band SOA together with C-Band EDFA, Mini EDFA, PM EDFA, EYDFA and other optical amplifier products.

Different amplifier technologies are designed for different wavelength ranges, output power levels and system requirements.

For customized projects, customers can provide the target wavelength, input power, output power, gain and mechanical requirements for technical evaluation.

Selecting the amplifier according to actual optical system parameters helps avoid using an unsuitable amplifier simply because two products perform the same general function of optical signal amplification.

About us

With 17 years of dedicated presence in the fiber optic sensing and fiber optic communication industries, we have been deeply committed to providing cutting-edge fiber amplifier products, advanced technologies, and high-quality OEM services. Over these years, we have not only accumulated rich industry experience but also forged an unwavering focus on meeting the evolving demands of the sector.

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Company Name: Shandong Wanshuo Optoelectronic Equipment Co., Ltd.
Contact Person: Media Relations
Email: Send Email
Country: China
Website: https://www.wseelink.com/

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