Fiber Amplifiers

MOA: Miniaturized Telecom Optical Amplifier

MOA: Miniaturized Telecom Optical Amplifier

The MOA is a miniaturized high power fiber optic amplifier from Bktel capable of producing up to 17dBm of output power between 1529 nm to 1564nm. This series of fiber amplifiers can be configured with single or ...

Sold by: RPMC Lasers, Inc. Ships from: United States
Specifications
Amplifier Type: Not Specified
Wavelength Range: 1529 – 1564 nm
Min Input Power: -30 dBm
Max Output Power: 17 dBm
Nominal Gain: 5.5 dB
2.0um High power Single Frequency PM Fiber Amplifier

2.0um High power Single Frequency PM Fiber Amplifier

MARS series high power single frequency polarization maintaining fiber amplifiers by Connet are designed specifically for ultra-narrow linewidth single frequency laser sources, such as fiber lasers based on the ...

Specifications
Amplifier Type: TDFA - Thulium-Doped Fiber Amplifier
Wavelength Range: 1900 – 2100 nm
Min Input Power: Not Specified
Max Output Power: 47 dBm
Nominal Gain: Not Specified
Compact DWDM EDFA Module for Transmission Systems

Compact DWDM EDFA Module for Transmission Systems

The FGA-MSA-EDFA is a sophisticated optical amplifier designed specifically for Dense Wavelength Division Multiplexing (DWDM) transmission systems. This product is engineered to seamlessly integrate into EDFA ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1528 – 1565 nm
Min Input Power: -33 dBm
Max Output Power: 24 dBm
Nominal Gain: 20 dB
C-Band Erbium-Doped Fiber Booster Amplifier

C-Band Erbium-Doped Fiber Booster Amplifier

BOX Optronics C-Band Erbium-doped Fiber Booster Amplifier squeezes up to 26 dBm of saturated power from a single 5 V supply while keeping noise below 5 dB.  Covering the full 1530-1565 nm window, the unit ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1565 nm
Min Input Power: -6 dBm
Max Output Power: 26 dBm
Nominal Gain: 23 dB
L-band High Power Optical Fiber Amplifier

L-band High Power Optical Fiber Amplifier

Connet MARS series L-band high power optical fiber amplifier is integrated with high power and high property multi-mode pumps, plus the double cladding fiber amplifying technology and the optimized optical structure ...

Specifications
Amplifier Type: Not Specified
Wavelength Range: 1575 – 1602 nm
Min Input Power: -3 dBm
Max Output Power: Not Specified
Nominal Gain: Not Specified
1.5um High Power Pulsed Fiber Amplifier

1.5um High Power Pulsed Fiber Amplifier

The MARS series 1.5um high power pulsed fiber amplifiers of Connet are eye-safe amplifiers. The optical path structure is optimized according to the short pulse signal amplification to efficiently suppress the ...

Specifications
Amplifier Type: YDFA - Ytterbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1561 nm
Min Input Power: Not Specified
Max Output Power: Not Specified
Nominal Gain: Not Specified
Connet MARS Series C-Band High Power Optical Fiber Amplifier

Connet MARS Series C-Band High Power Optical Fiber Amplifier

These amplifiers harness the power of high-performance multi-mode pump sources and utilize integrated double cladding fiber amplification technology, ensuring outstanding output power ranging from 1W to 20W. The ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1575 nm
Min Input Power: 4.7 dBm
Max Output Power: 43 dBm
Nominal Gain: 66 dB
C-Band PreAmp EDFA

C-Band PreAmp EDFA

The MARS series C-band PreAmp Er-doped fiber amplifiers of Connet are the high-gain, low-noise fiber amplifiers (Pre-EDFA). This amplifier is used to pre-amplify the small signal, improve the receiver sensitivity ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1528 – 1560 nm
Min Input Power: Not Specified
Max Output Power: 10 dBm
Nominal Gain: 30 dB
Connet CoLIS-MP 1550nm Long Pulse Single Frequency PM Fiber Laser

Connet CoLIS-MP 1550nm Long Pulse Single Frequency PM Fiber Laser

The Connet CoLIS-MP series 1550nm nanosecond long pulse single-frequency polarization-maintaining fiber laser is a modularized pulsed fiber laser designed for medium-distance coherent Doppler wind LiDAR ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1545 – 1565 nm
Min Input Power: Not Specified
Max Output Power: Not Specified
Nominal Gain: Not Specified
C Band Erbium-Doped Fiber Amplifier

C Band Erbium-Doped Fiber Amplifier

Ziguan Erbium-doped fiber amplifier(EDFA)is a series of optical power amplifier products specially designed for fiber laser or fiber communication systems. It has the advantages of high gain and low noise, supports ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1565 nm
Min Input Power: -45 dBm
Max Output Power: 27 dBm
Nominal Gain: 35 dB
C Band Pulsed Erbium-Doped Fiber Amplifier

C Band Pulsed Erbium-Doped Fiber Amplifier

Ziguan Pulse-type erbium-doped fiber amplifiers feature high gain and low noise, short-pulse amplification capability, nonlinear effect suppression, flexible control and monitoring, and compact packaging ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1565 nm
Min Input Power: -45 dBm
Max Output Power: 57 dBm
Nominal Gain: Not Specified
L Band Erbium Doped Fiber Amplifier

L Band Erbium Doped Fiber Amplifier

Ziguan L Band power Erbium-doped fiber amplifier is a high saturation output power fiber amplifier (Booster-EDFA). It is used to amplify the signal at the transmitting end, improve the optical power at the ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1570 – 1603 nm
Min Input Power: -6 dBm
Max Output Power: 30 dBm
Nominal Gain: Not Specified
EQ Photonics GmbH - MAFA 5000 Series Erbium Doped Fiber Amplifier

EQ Photonics GmbH - MAFA 5000 Series Erbium Doped Fiber Amplifier

The Ortel MAFA 5000 Series Micro Erbium Doped Fiber Amplifier (μEDFA) gainblock module is an ideal building block for OEM systems integration where there isa requirement to amplify a 1550 nm signal for a broad ...

Sold by: EQ Photonics Ships from: Germany
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1562 nm
Min Input Power: -10 dBm
Max Output Power: 24.5 dBm
Output Fiber Type: Not Specified
MARS Series 1.5um High Power Pulsed Optical Fiber Amplifier

MARS Series 1.5um High Power Pulsed Optical Fiber Amplifier

The MARS series 1.5um high power pulsed optical fiber amplifier of Connet Laser is an the eye-safe amplifier. The optical path structure is optimized according to short pulse signal amplification to suppress the ...

Specifications
Amplifier Type: YDFA - Ytterbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1561 nm
Min Input Power: Not Specified
Max Output Power: 37 dBm
Nominal Gain: 30 dB
CoLIA 1550nm Long Pulse Single Frequency PM Fiber Amplifier

CoLIA 1550nm Long Pulse Single Frequency PM Fiber Amplifier

The CoLIA 1550nm Long Pulse Single Frequency Polarization Maintaining Fiber Amplifier from Connet is specifically designed for high-energy, long-pulse applications in the eye-safe wavelength range. Optimized for ...

Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1561 nm
Min Input Power: Not Specified
Max Output Power: 600 dBm
Nominal Gain: Not Specified
1.5um CW Single Mode Polarization Maintaining Fiber Amplifier

1.5um CW Single Mode Polarization Maintaining Fiber Amplifier

The Connet MFAP-1550-M-SF is a high-performance 1.5 µm CW single frequency polarization maintaining fiber amplifier, engineered for applications that demand precise signal fidelity and robust power output. ...

Specifications
Amplifier Type: N/A
Wavelength Range: 1540 – 1565 nm
Min Input Power: Not Specified
Max Output Power: Not Specified
Nominal Gain: Not Specified
Distributed Fiber Raman Amplifier

Distributed Fiber Raman Amplifier

Fiber Raman amplifier uses the Raman effect in quartz fiber to provide gain to optical signals, and achieves high gain and low noise amplification of optical signals in the C or L band, which can effectively ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: Raman Amplifier
Wavelength Range: 1528 – 1650 nm
Min Input Power: Not Specified
Max Output Power: Not Specified
Nominal Gain: 14 dB
Erbium-doped Fiber Booster Amplifier for L-band

Erbium-doped Fiber Booster Amplifier for L-band

The Erbium-Doped Fiber Booster Amplifier for L-band by DK Photonics is engineered to provide high-performance optical amplification within the L-band wavelength range of 1570–1603 nm. Utilizing advanced ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1570 – 1603 nm
Min Input Power: Not Specified
Max Output Power: 25 dBm
Nominal Gain: 0.3 dB
Gain Flattened Erbium-doped Fiber Amplifier for Cband

Gain Flattened Erbium-doped Fiber Amplifier for Cband

The Gain Flattened Erbium-Doped Fiber Amplifier (EDFA) for C-band is engineered to provide consistent optical amplification across the 1530–1565 nm wavelength range. Designed for high-performance fiber optic ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1560 nm
Min Input Power: Not Specified
Max Output Power: 23 dBm
Nominal Gain: 25 dB
Polarization Maintaining Erbium-doped Fiber Amplifier for C-band

Polarization Maintaining Erbium-doped Fiber Amplifier for C-band

The Polarization Maintaining Erbium-Doped Fiber Amplifier (EDFA-PM) is engineered for applications requiring high polarization extinction ratio and stable performance in the C-band (1530–1565 nm). Designed to ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1530 – 1565 nm
Min Input Power: Not Specified
Max Output Power: 14 dBm
Nominal Gain: 5 dB
High-Power Polarization Maintaining EDFA for C-band

High-Power Polarization Maintaining EDFA for C-band

High Power Polarization Maintaining Erbium-Doped Fiber Amplifier (PM-EDFA) for C-band is designed to provide high-performance optical amplification within the 1530–1565 nm wavelength range. Leveraging a ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1540 – 1565 nm
Min Input Power: Not Specified
Max Output Power: 40 dBm
Nominal Gain: 3 dB
High-Power Polarization Maintaining EDFA for L-band

High-Power Polarization Maintaining EDFA for L-band

The High Power Polarization Maintaining Erbium-Doped Fiber Amplifier (PM-EDFA) for L-band is engineered to deliver robust optical amplification within the 1570–1605 nm wavelength range. Utilizing a unique ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1570 – 1605 nm
Min Input Power: Not Specified
Max Output Power: 37 dBm
Nominal Gain: 3 dB
High Power Single-Mode Erbium-doped Fiber Amplifier for C-band

High Power Single-Mode Erbium-doped Fiber Amplifier for C-band

The High Power Single-Mode Erbium-Doped Fiber Amplifier (EYDFA-HP) is engineered to deliver robust optical amplification within the 1540–1565 nm wavelength range. Utilizing a unique multi-stage optical ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1540 – 1565 nm
Min Input Power: Not Specified
Max Output Power: 40 dBm
Nominal Gain: 3 dB
High Power Single-Mode Erbium-doped Fiber Amplifier for L-band

High Power Single-Mode Erbium-doped Fiber Amplifier for L-band

The High Power Single-Mode Erbium-Doped Fiber Amplifier for L-band is engineered to deliver robust optical amplification within the 1570–1605 nm wavelength range. Utilizing a unique multi-stage optical ...

Sold by: DK Photonics Ships from: China
Specifications
Amplifier Type: EDFA - Erbium-Doped Fiber Amplifier
Wavelength Range: 1570 – 1605 nm
Min Input Power: Not Specified
Max Output Power: 37 dBm
Nominal Gain: 3 dB

Did You Know?

Fiber amplifiers are the backbone of modern optical communication and high-power laser systems. By directly amplifying light signals within a doped optical fiber, these devices offer a compact, energy-efficient solution for boosting signal strength without the need to convert light into electrical signals and back again. One of the most well-known types is the Erbium-Doped Fiber Amplifier (EDFA), which operates in the C-band around 1550 nm—ideal for telecom networks due to its low transmission loss in silica fibers. But fiber amplifiers go far beyond telecommunications. High power fiber amplifiers using ytterbium or thulium doping now power industrial material processing, LIDAR systems, medical diagnostics, and even scientific research like laser cooling and atom trapping. The advantages of fiber amplifiers are numerous: They are compact, scalable, and highly efficient thanks to excellent thermal dissipation in the fiber geometry. The waveguide structure of optical fibers ensures excellent beam quality even at high output powers. And since the amplification medium is a flexible fiber, systems can be easily integrated into portable and space-saving configurations. As demand for faster data, cleaner energy, and more precise industrial tools grows, fiber amplifiers play a crucial enabling role—providing the muscle behind high-power lasers and the finesse required for coherent signal boosting in photonic circuits. Whether you're enhancing a telecommunications link or building a high-energy laser system, fiber amplifiers offer the versatility, reliability, and performance today's technologies demand.

Frequently Asked Questions

In their simplest form, fiber amplifiers are made of a pump source (typically a fiber-coupled diode laser) and a doped optical fiber which is the gain medium. Fiber amplifiers are often thought of as lasers without the laser cavity or feedback.

Fiber Amplifiers: Enabling High-Power and High-Fidelity Light Transmission

In the world of photonics, fiber amplifiers have emerged as a transformative technology—combining scalability, efficiency, and beam quality in a single compact package. Originally designed to meet the demands of optical telecommunications, fiber amplifiers have since expanded into fields like manufacturing, medicine, and scientific research, thanks to their ability to deliver amplified light with minimal distortion and outstanding reliability.

What Is a Fiber Amplifier?

A fiber amplifier is a device that boosts the intensity of an optical signal directly within an optical fiber doped with rare-earth elements like erbium (EDFA), ytterbium (YDFA), or thulium (TDFA). Unlike traditional amplifiers that require optical-to-electrical and back-to-optical conversion, fiber amplifiers amplify light all-optically, making them faster, more efficient, and less prone to noise.

The doped fiber acts as a gain medium. When pumped with an external light source—often a laser diode—the rare-earth ions become excited and transfer energy to the incoming signal, increasing its intensity without changing its wavelength or phase properties.

Types of Fiber Amplifiers

  1. Erbium-Doped Fiber Amplifier (EDFA)
    Most commonly used in long-haul fiber optic communication due to its operation in the 1550 nm range, where silica fiber exhibits minimal loss.

  2. Ytterbium-Doped Fiber Amplifier (YDFA)
    Operates around 1030–1100 nm and is widely used in high power fiber amplifiers for materials processing and laser cutting.

  3. Thulium-Doped Fiber Amplifier (TDFA)
    Extends amplification into the 1900–2100 nm region, ideal for mid-IR applications, gas sensing, and some medical treatments.

Key Advantages

  • Compact and Lightweight: Fiber-based architecture allows for space-saving designs.

  • Excellent Beam Quality: Maintains single-mode output even at high powers.

  • Thermal Efficiency: Large surface-to-volume ratio in fibers enables natural heat dissipation.

  • Scalability: Easily increased power levels by adjusting fiber length and pump configurations.

  • All-Fiber Design: Eliminates alignment issues common in bulk optics.

Applications of Fiber Amplifiers

  1. Telecommunications
    Fiber amplifiers are essential in long-distance optical networks, allowing signals to travel thousands of kilometers without regeneration.

  2. Industrial Laser Systems
    High power fiber amplifiers serve as gain stages in fiber lasers for metal cutting, welding, and engraving.

  3. LIDAR and Remote Sensing
    High peak power amplifiers improve range and resolution in environmental monitoring and autonomous vehicles.

  4. Medical and Biomedical
    Used in surgical lasers and diagnostic tools where precision and safety are critical.

  5. Scientific Research
    Amplifiers support spectroscopy, atomic clocks, and quantum optics by delivering stable, high-fidelity light sources.

Fiber Amplifiers in the Future

As industries demand more compact, robust, and energy-efficient laser systems, optical fiber amplifiers will remain at the forefront of laser technology. Advancements in double-clad fiber structures, fiber Bragg gratings for wavelength control, and ultra-narrow linewidth designs continue to push performance boundaries.

New applications in quantum communication, space-based optics, and AI-integrated photonics will further elevate the role of fiber amplifiers—making them not just a supporting technology but a driving force in the next wave of innovation.