3 Types of Optical Amplifiers You Should Know

 

Semiconductor optical amplifier
SOA

Transmission problems such as noise and attenuation can affect signal strength during long-distance data transmission. Optical amplifiers are used to reduce these impairments during transmission.

They amplify the signal without converting the electrical signal to optical and vice versa. This post highlights various types of optical amplifiers so you can buy the ones that fit your needs.

Read on.

Optical Amplifiers: What You Should Know

Optical amplifiers have several applications. They can be used as boosters to increase the signal strength or optical power of the input signal. Hence, it improves transmission during long haul lines.

These are also used to amplify the signal to avoid attenuation during long-distance communication. Optical amplifiers compensate for the loss of data induced by fiber.

Finally, you can use them as pre-amplifier at the end of the communication line. They can amplify weak signals at the receiving end, thus, increasing receiver sensitivity.

What Are The Types of Optical Amplifiers?

There are three types of optical amplifiers such as:

1. SOA (Semiconductor Optical Amplifier)

Semiconductor optical amplifiers are solid-state optical amplifiers that are smaller in size. They offer amplification through stimulated emission. SOA has similar amplification as a laser. The only difference is that SOA amplifies without many reflections whereas laser amplifies light with several reflections.

SOAs are economical and efficient but it’s still uncommon in the telecommunication sector.

2. RFA (Raman Fiber Amplifier)

Raman fiber amplifiers follow the stimulated Raman scattering principle. RFA uses SRS to transfer high-frequency energy and pump signals to lower-frequency signals. The process of amplification takes place on transmission fiber for the Raman amplifier.

RFA has low noise due to its simple design and direct amplification. It doesn’t require an additional medium of transmission. Raman amplification is combined with multiple pumps to gain a broad bandwidth.

3. EDFA (Erbium-Doped Fiber Amplifier)

Erbium-doped fiber amplifier is another optical amplifier that contains erbium ions in its core. This optical amplifier features low noise and high gains with independent polarization. It can amplify signals in a 1.58 μm or 1.55 μm band.

EDFA is a common optical amplifier as it directly amplifies signals without converting them to optical and electrical processes. This boosts the fiber optic communication capacity.

Raman amplifier
Raman-amplifier

Fibermart Is Your Place to Buy Optical Amplifiers

If you’re looking to buy optical amplifiers for sale, Fibermart is your reliable manufacturer and supplier of high-quality amplifiers.

Headquartered in Hong Kong, Fibermart also sells fiber optic cables. They work with various clients worldwide to meet their needs. Get in touch with them today to buy optical amplifiers of all types.

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