Erbium-Doped Fiber Booster Amplifiers

• Wide C-Band Operating Range (1530–1565 nm) – Optimized for standard C-band erbium-doped fiber amplification, ideal for dense WDM systems, long-haul links, and high-capacity optical networks.
• High Saturation Output Power up to 26 dBm – Delivers multiple power levels (15/17/20/23/25/26 dBm @ –3 dBm input) to support booster amplification for long-distance transmission, power-budget-limited links, and high-loss system architectures.
• Low Noise Figure ≤ 5 dB – Ensures excellent OSNR performance and minimal signal degradation, enhancing link margin in demanding fiber-optic communication and sensing applications.
• Booster Amplifier Design – Specifically engineered as an erbium-doped fiber booster amplifier (EDFA-BA) to be placed directly after transmitters for extending reach and compensating for insertion and distribution losses.
• High Input Power Flexibility – Supports –6 to +3 dBm input power, enabling straightforward integration with a wide range of transmitters, lasers, and upstream amplification stages.
• Excellent Polarization Characteristics – Low polarization dependent gain (PDG ≤ 0.3 dB) and low polarization mode dispersion (PMD ≤ 0.5 ps) for stable performance with polarization-sensitive systems and high-bit-rate signals.
• High Isolation > 35 dB – Superior input/output isolation reduces back reflections and prevents system-level interference, improving signal integrity and system reliability.
• Integrated Optical Power Monitoring – Built-in input and output optical power monitoring enables real-time performance supervision, easier system diagnostics, and closed-loop control in advanced fiber networks.
• Multiple Control Modes: ACC / APC / AGC – Supports automatic current control (ACC), automatic power control (APC), and automatic gain control (AGC) for flexible operation under varying channel counts and network conditions.
• User-Friendly Benchtop Option with Touchscreen – Benchtop version offers intuitive touchscreen control and RS232 communication, ideal for laboratories, R&D, prototyping, and production test setups.
• Compact Module Versions for OEM Integration – Module packages (M15 / M20) with RS232 serial interface are optimized for OEM and system-level integration where space and thermal management are critical.
• Robust Electrical and Power Options – Supports universal AC 100–240 V input for benchtop units and DC 5 V for modules, simplifying deployment in both lab and embedded environments.
• Efficient Thermal Management – Benchtop units use internal air cooling; modules support contact cooling for stable operation and long-term reliability in compact enclosures.
• Standard Telecom Fiber and Connectors – Uses SMF-28 fiber with FC/APC connectors for low-reflection, easy integration into existing telecom and test infrastructures.
• Wide Operating Temperature & Humidity Range – Designed for –5 to +35 °C operation and 0–70% humidity, providing dependable performance in typical lab and controlled field environments.
• Versatile Applications – Well suited for fiber-optic communication systems, fiber-optic sensing, and as a high-power stage in fiber laser architectures and test platforms.

Applications of Erbium-Doped Fiber Booster Amplifiers (C‑Band EDFA, BA Series)

Yogel Erbium-Doped Fiber Booster Amplifiers are high-power, low-noise C-band EDFAs designed to boost optical signals in the 1530–1565 nm window. With saturation output power up to 26 dBm, low polarization dependent gain, and flexible control modes (ACC/APC/AGC), they are suitable for a wide spectrum of demanding photonic systems.

1. Fiber-Optic Communication Systems

• Long-Haul DWDM Transmission – Used as booster amplifiers at transmitter sites to increase launch power in dense wavelength division multiplexing (DWDM) systems, extending reach over hundreds of kilometers.
• Metro and Regional Optical Networks – Power amplification at node outputs to compensate for splitter and ROADM losses in metropolitan rings and regional backbones.
• FTTx and Access Networks – Signal boosting for point-to-multipoint C-band links in fiber-to-the-building (FTTB), fiber-to-the-cell (FTTCell), and enterprise access networks.
• High-Capacity Data Center Interconnects – Used at the transmit side of 100G/200G/400G coherent and IM-DD links to extend reach between data centers and cloud POPs.
• Submarine/Ultra-Long-Haul Pre-Emphasis – Transmitter-side power pre-emphasis in subsea and ultra-long-haul terrestrial links (with proper system design for nonlinearity management).

2. Fiber-Optic Sensing

• Distributed Temperature Sensing (DTS) – Provides high optical power to interrogate long spans of sensing fiber for Raman-based temperature monitoring in oil & gas, tunnels, and power cables.
• Distributed Acoustic Sensing (DAS) – Boosts probe pulses in phase-sensitive OTDR systems for seismic, intrusion, and infrastructure monitoring.
• Distributed Strain and Structural Health Monitoring – Power amplification for Brillouin and Rayleigh-based systems used on bridges, pipelines, dams, and large civil structures.
• Interferometric and Coherent Sensing – Enhances signal levels in Mach–Zehnder, Sagnac, and Michelson interferometer-based sensors for rotation, acceleration, and pressure measurements.
• Pipeline and Perimeter Security – Extends sensing range and sensitivity in perimeter protection and border surveillance using buried or fence-mounted fibers.

3. Fiber Lasers and Laser Subsystems

• Seed Laser Boosting – Acts as a pre-amplifier or power amplifier for narrow-linewidth C-band seed lasers in multi-stage fiber laser architectures.
• Test and Characterization of Laser Sources – Used in laboratories and production lines to evaluate linewidth, RIN, and stability of low-power lasers at higher power levels.
• Research Lasers for Nonlinear Optics – Provides sufficient power to drive nonlinear processes (e.g., supercontinuum generation, wavelength conversion) in specialty fibers.
• Mode-Locked and Ultrashort Pulse Systems – Power amplification of mode-locked or pulsed sources (with suitable pulse management) for spectroscopy and metrology.

4. Test & Measurement, R&D, and Production

• Optical Component and Module Testing – Provides stable C-band power to characterize insertion loss, return loss, and spectral response of filters, WDM components, and passive/active devices.
• System Prototyping in Labs – Essential tool in academic and industrial labs to prototype new coherent and IM-DD communication formats and transmission schemes.
• Receiver Sensitivity and BER Testing – Enables stress testing of optical receivers and transceivers by varying input power levels over a wide dynamic range.
• Manufacturing and Burn-In Lines – Deployed in automated test stations for production quality control of transceivers, photodiodes, and integrated photonic circuits.

5. CATV, RF-over-Fiber, and Broadcasting

• CATV Headend Booster Amplifier – Used in C-band fiber links for high-quality analog and digital cable TV distribution.
• RF-over-Fiber Links – Increases optical carrier power in microwave and RF-over-fiber systems for cellular, satellite, and broadcast infrastructure.
• Studio-to-Transmitter Links (STL) – Provides clean, high-power optical signals in point-to-point broadcast links where low noise and high linearity are critical.