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GoPhotonics, a leading website for the photonics industry, has unveiled a comprehensive list of Optical Amplifiers for today’s sophisticated optical networks. Designed for seamless navigation, the directory allows users to explore a wide array of amplifiers offering high gain, low noise figures, broad bandwidth support, and compact, rugged form factors - all critical for maintaining signal integrity and performance in demanding environments.

Optical amplifiers play a pivotal role in reinforcing optical signals across long-haul communications, data-intensive applications, and precision instrumentation. This curated portfolio caters to the rising need for enhanced reliability, scalability, and energy efficiency, crucial for advancing applications in long-distance telecom, high-capacity data centers, sensing platforms, LiDAR systems, and medical imaging technologies.

EYP-TPA-0780-03000-4006-CMT04-0000: High-Power Tapered Semiconductor Optical Amplifier

The EYP-TPA-0780-03000-4006-CMT04-0000 from TOPTICA EAGLEYARD is a tapered semiconductor optical amplifier (SOA) designed for operation at 780 nm. It delivers an output power exceeding 3 W with a 20 nm gain bandwidth (FWHM) and provides 23 dB of amplification in continuous-wave mode. The SOA features a 4000 µm cavity length, reflectivity of 3x10?4, and a wavelength temperature coefficient of 0.3 nm/K for stable performance. This TE-polarized device offers an input divergence of 23° (parallel) / 40° (perpendicular) and an output divergence of 18° (parallel) / 40° (perpendicular). It supports a forward current of up to 4.5 A, consuming a maximum of 4.5 A, and dissipates 10 - 50 mW of power. Housed in a compact C-mount package measuring 7.1 x 6.35 x 4.05 mm, this amplifier is ideal for spectroscopy applications requiring high power, stability, and efficiency.

HPOA-1.5: High-Power 1.55 μm Erbium-Doped Fiber Amplifier Module

The HPOA-1.5 by BKtel Photonics is a continuous-wave (CW) Erbium-Doped Fiber Amplifier (EDFA) tailored for high-power applications around 1550 nm. It accommodates input powers ranging from -10 dBm to +15 dBm, delivers up to 5 W of output power, and maintains an output power stability better than 2%. With a typical noise figure below 5.5 dB, 40 dB return loss, and 30 dB isolation, it ensures reliable, low-noise performance. The module supports both random and linear polarization and comes equipped with FC/APC connectors and a collimator interface. Designed for flexibility, it operates on 5 V and 24 V DC supply with power consumption under 50 W, and includes an RS-232 communication interface for control. Its robust design makes it ideal for demanding applications such as telecom, free-space communication, and LiDAR.

A840.50.20: Compact 840 nm SOA for Power Boosting

The A840.50.20 from Superlum is a semiconductor optical amplifier (SOA) optimized for 840 nm operation, delivering up to 20 mW of output power with a robust fiber-to-fiber gain of approximately 20 dB. It features a small-signal gain bandwidth of 50 nm, tight gain ripple of just 0.2 dB, and a polarization extinction ratio of 7 dB, ensuring stable performance across its spectral range. Temperature stability is maintained via an internal thermoelectric cooler (TEC) and 10 kΩ thermistor, complemented by a dedicated monitor photodiode operating at 5 V for real-time performance monitoring. This amplifier is offered in a 14-pin butterfly package with FC/APC connectors, supporting polarization-maintaining or single-mode fiber configurations (available on request). With a warm-up time between 20 and 90 minutes, it achieves gains ranging from 18 to 23 dB and operates across wavelengths from 830 to 850 nm. It is well-suited for use in power boosting, tunable lasers, and swept source applications.

mEDFA-C11CF: C-Band DWDM Booster Erbium-Doped Fiber Amplifier

The mEDFA-C11CF from Viavi Solutions Inc. is a C-band Erbium-Doped Fiber Amplifier (EDFA) module that operates across the 1528–1569 nm wavelength range. Designed as a DWDM booster, it supports full multichannel inputs and integrates gain flattening to ensure consistent amplification performance. The amplifier delivers a saturated output power of 21 dBm with a noise figure as low as 5.2 dB, while maintaining spectral gain flatness within 2 dB. With automatic power and gain control, along with built-in input and output power monitoring, the module provides stable and reliable operation in dense wavelength-division multiplexing systems. It exhibits low polarization-dependent loss and gain, operates safely under Class 1M laser classification, and is tailored for seamless integration into Viavi’s MAP-200 LightDirect modular platform. Combining high output power, low noise, and flexible control, the mEDFA-C11CF is ideally suited for automated testing environments and advanced optical communication applications.

1550 nm Chip-Style SOA Tailored for Testing and Measurement

The CHP-310 from SemiNex Corporation is a Semiconductor Optical Amplifier that operates at a wavelength of 1550 nm. It delivers an output power of 6 mW and has a 3dB spectral width of 80 nm. This optical amplifier has an aperture width of 4 μm and aperture height of 1 μm. It has a beam exit angle of 19.5 deg and beam divergence of 30 deg (fast axis) & 20 deg (slow axis) at FWHM. This amplifier has a rear face reflectivity of 98% and front face reflectivity of up to 0.1%. It uses a curved waveguide and has a chip width of 500 μm. This optical amplifier requires a DC supply voltage of 2 V and consumes 0.45 A of current. It is available in a reflective semiconductor optical amplifier (RSOA) bare die package and is ideal for gain element for external cavity laser, optical communications, LiDAR, free space communications & network test equipment applications.

Together, these advanced fiber-optic amplifier solutions highlight the diversity and innovation driving today’s photonics industry. From compact SOAs optimized for spectroscopy and test equipment to high-power EDFAs designed for long-haul communications and DWDM systems, each device addresses specific challenges in performance, efficiency, and integration. By bringing these technologies into focus, GoPhotonics continues to provide engineers, researchers, and system designers with a reliable resource to explore, compare, and select the right amplification solutions for applications spanning telecommunications, data centers, LiDAR, sensing, and medical imaging.