Introducing New L-Band Semiconductor Optical Amplifiers (SOAs)
Danvers, MA - June 2025: SemiNex announces the launch of its high-power L-Band Semiconductor Optical Amplifiers (SOAs). These new L-Band SOAs offer high optical gain, broad 3-dB bandwidth, and flexible configuration options, designed for telecommunications, data centers, silicon photonics, test systems, and aerospace applications.
By Seminex

SemiNex has developed an answer to the growing demands of advanced communication networks and photonic systems with this latest product release of its latest product: high-power L-band Semiconductor Optical Amplifiers (SOAs). Centered at 1595nm, these products build on our award-winning SOA series in C- and O-bands, delivering the same reliability, power, and flexibility our customers have come to expect.
Applications & Industries Using L-Band SOAs
SemiNex's new L-Band SOAs are designed to address evolving needs for a versatile amplification solution for a range of industries and applications, including:
-
Telecommunications & Data Centers:
Extending transmission distances and enabling flexible wavelength division multiplexing (WDM) systems in dense, high-capacity optical networks. -
Photonic Integrated Circuits (PICs):
Supporting next-generation silicon photonics designs by offering customized SOA solutions that can be integrated directly into PIC platforms operating in the L-Band spectrum. -
Test & Measurement Systems:
Delivering stable, high-gain optical amplification for precision instrumentation and network diagnostic tools operating beyond the conventional C-Band range. -
Defense & Aerospace Communications:
Enabling secure, long-range optical links in environments where extended wavelength coverage and high reliability are critical.
Technical Overview: L-Band SOA Performance & Specifications
Our L-Band SOAs are engineered for demanding optical networks and photonic integration. Key features include high optical gain, broad operational bandwidth, and robust electrical and thermal characteristics.
Key Features:
-
High Gain with Broad 3-dB Bandwidth:
Delivers efficient signal amplification across a wide wavelength range centered at 1595nm, ideal for dense WDM systems and tunable laser applications. -
Available in Single Emitter & Array Formats:
Offering flexibility for system designers, whether integrating into discrete optical assemblies or scalable photonic integrated circuits. - Customizable SOAs for Si PIC Integration:
SemiNex can tailor SOA designs to match specific photonic circuit requirements, enabling seamless integration with silicon photonics platforms and other custom applications.
Optical | Symbol | CHP-313L / COC-313L | Units |
Center Wavelength | λc | 1595 | nm |
Output Power @ 1A | Pout | 0.4 | Watt |
Aperture Width | W | 4 | µm |
Gain Bandwidth 3dB |
Δλ | 80 | nm |
Gain @ Pin = 10µ W | G | 30 | dB |
Beam Exit Angle | θEXT | 19.5 | degree |
Noise Figure | NF | 7 | dB |
Polarization Extinction Ratio | PER | >18 | dB |
Fast Axis Div. | θ⊥ | 30 | deg FWHM |
Slow Axis Div. | θ∥ | 20 | deg FWHM |
Front/Rear Facet Reflectivity | <0.1% | ||
Waveguide | Tilted Straight | ||
Electrical | Symbol | Units | |
Operating Current | Iop | 1 | A |
Operating Voltage | Vop | 2 | V |
View more information regarding these products in our catalog below.
By Seminex