Couplers, Splitters & Combiners

(N+1)×1 Laser Combiner

The LLCB series of (N+1)x1 fiber combiners is designed for high power fiber laser applications. We combine N pump lasers and one signal channel into a laser fiber. The LLCB covers a wide range of fiber types.

(N+1)×1 PM Laser Combiner

The LLCB series of (N+1)x1 fiber combiners is designed for high power fiber laser applications. They combine N pump lasers and one signal channel into a laser fiber. The LLCB covers a wide range of fiber types.

1×2 / 2×2 Single Mode Broadband Fiber Optic Coupler/Splitter 1310~2000nm Ultra-Low PDL

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner

1×2 / 2×2 Single Mode Fiber Optic Coupler/Splitter 1310~2000nm, ±40nm

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range

1×2 / 2×2 Single Mode Fiber Optic Coupler/Splitter 360~1090nm, ±20nm

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner

1×2, 2×2 Fused PM Standard Fiber Tap

The standard-sized fused polarization maintaining fiber tap comes with low excess loss, high extinction ratio, high optical power handling, and Telcordia GR-1209 compliant test. It has a wide range of applications such as optical amplifiers, power monitoring, telecom systems, and testing equipment.

1×2/2×2 Multimode 105/125um Broadband Fiber Optic Coupler/Splitter

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios. Backed by over 25 years of production and engineering expertise, our products deliver industry-leading performance, reliability, and cost-effectiveness.

1×2/2×2 Multimode 50/125um Broadband Fiber Optic Coupler/Splitter

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios. Backed by over 25 years of production and engineering expertise, our products deliver industry-leading performance, reliability, and cost-effectiveness.

1×2/2×2 Multimode 62.5/125um Broadband Fiber Optic Coupler/Splitter

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios. Backed by over 25 years of production and engineering expertise, our products deliver industry-leading performance, reliability, and cost-effectiveness.

1×3 80µm Polarization Maintaining (PM) Fiber Optic Couplers/Splitters

The reduced cladding (80µm ) optical fiber splitter is a passive device that splits or combines light at 1550 nm in forms of 1×3 or 3×1 for most frequent used optical routing designs. There are many various applications requiring this type of coupler such as optical amplifier, power monitoring, coherent communication and fiber gyroscope. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

1×3 Single Mode Monolithic Fiber Optic Coupler/Splitter

The FCTM series 1×3 Monolithic Single Mode Coupler utilizes Our fused biconical taper technology and compact packaging to deliver exceptional optical performance. With superior uniformity, low excess loss, and minimal polarization sensitivity — achieved through precision automated fabrication — this device is ideal for high-performance light splitting or combining across a broad wavelength range. Standard operating wavelengths include 1310 nm, 1490 nm, and 1550 nm, with dual- and triple-band configurations also available. The coupler is housed in a compact 3 mm diameter, 54 mm long tube, making it well-suited for space-constrained integration.

1×3, 1×4 Polarization Maintaining (PM) Fiber Optic Couplers/Splitters – Box

The FC Series PM fiber optic coupler is based on Our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

1×3, 1×4 Polarization Maintaining (PM) Fiber Optic Couplers/Splitters – Tube

The FC Series PM fiber optic coupler is based on Our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

1×4 Single Mode Fiber Optic Fused Coupler/Splitter

This FC Series fiber optic coupler provides us with monolithically integrated 1×4 function in a compact format. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner

1570 / 2000 nm WDM

The 2 µm Filter Wavelength Division Multiplexer series is based on our environmentally stable thin-film filter technology. The devices combine or separate light at different wavelengths in a wide wavelength range. We offer very low insertion loss, low polarization dependence, high isolation, and excellent environmental stability. High power handling capability can be achieved through our unique pigtail processing and high-quality AR coating.

1x2 Single Mode PDL-Free Broadband Fiber Optic Coupler

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range.

1x2/2x2 80µm Polarization Maintaining (PM) Fiber Optic Couplers/Splitters

The reduced cladding (80µm) optical fiber splitter is a passive device that splits or combines light at 1550 nm in the form of 1×2 or 2×1 for the most frequently used optical routing designs. There are many various applications requiring this type of coupler such as optical amplifiers, power monitoring, coherent communication, and fiber gyroscopes.

1x2/2x2 Dual Polarization Maintaining (PM) Fiber Optic Couplers/Splitters

This FC Series PM fiber optic coupler works on both orthogonally polarized light, providing a polarization-independent coupling function. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

1x2/2x2 High Power Polarization Maintaining (PM) Fiber Optic Couplers/Splitters 30W

The HPPC Series high power PM fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. The cost is related to the polarization extinction ratio grade level.

1x2/2x2 Polarization Maintaining (PM) Fiber Optic Couplers/Splitters – Fused PER 22dB

The FC Series PM fiber optic coupler uses fused biconical taper technology in a compact package, offering good uniformity, low excess loss, and very low polarization sensitivity for splitting or combining light over a wide wavelength range. Cost depends on polarization extinction ratio grade. It handles up to 1 W at 1550 nm, with lower limits at shorter wavelengths; the HPFC Series supports higher power. Couplers have ~0.2 dB loss per split joint, but combining light causes higher losses — e.g., a 50/50 combiner loses 50% from each beam; for combining, see our Combiner products. A fused fiber coupler transmits light from both polarization axes. To block one polarization axis, our micro-optic coupler provides this functionality.

1x2/2x2 Single Mode Broadband Fiber Optic Coupler

The FC Series fiber optic coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range

1xN Single Mode PLC Splitter

A planar lightwave circuit (PLC) splitter is an optical power management device fabricated using silica optical waveguide technology to distribute optical signals from the Central Office (CO) to multiple premise locations. Bare fiber splitter is a kind of ODN product suitable for PON networks that can be installed in the pigtail cassette, test instrument, and WDM system, which minimizes space occupation.

1xN Single Mode PLC Splitter Module & Rack Package

Planar lightwave circuit (PLC) splitter is a type of optical power management device that is fabricated using silica optical waveguide technology to distribute optical signals from Central Office (CO) to multiple premise locations. Bare fiber splitter is a kind of ODN product suitable for PON networks that can be installed in the pigtail cassette, test instrument and WDM system, which minimizes the space occupation.

1xN, NxM Polarization Maintaining (PM) Fiber Optic Couplers/Splitters

The NxM PM couplers/splitters are based on cascading 2×2 fused couplers in a star/tree configuration, featuring low optical loss, good uniformity, and high extinction ratio. In comparison with other approaches, this device has the best performance in industry for splitting or combining light over a wide wavelength and temperature range. Customer configuration is available. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

2 Micron (µm) Polarization Maintaining (PM) Fiber Optic Couplers/Splitters

The FC2M Series fiber optic coupler is based on fused biconical taper technology and a compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range.

2 x N Single Mode PLC Splitter

A planar lightwave circuit (PLC) splitter is an optical power management device fabricated using silica optical waveguide technology to distribute optical signals from the Central Office (CO) to multiple premise locations. Bare fiber splitter is a kind of ODN product suitable for PON networks that can be installed in the pigtail cassette, test instrument, and WDM system, which minimizes space occupation.

2×2 Double-Clad Fiber Couplers

Our s double-clad 2×2 fiber coupler is made by fusing a large core fiber (200 µm) to the outer cladding layer of a double-clad fiber (single mode core surrounded by an inner cladding and an outer thick cladding). Light in the double-clad fiber’s (DCF) single-mode core propagates through the coupler with little loss. While the reflected lights are collected mainly by the thick outer cladding of the DCF and transferred to the 200 µm large core output fiber with ≥60% coupling efficiency. It forms a miniature fiber optical sensor head for various applications. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios. Backed by over 25 years of production and engineering expertise, our products deliver industry-leading performance, reliability, and cost-effectiveness.

Compact Fiberoptic Coupler/Splitter

The FC Series Compact Fiberoptic Splitter is based on our fused biconical taper technology and compact packaging structure. It features superior uniformity, low excess, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range.

Double Cladding Fiber Fused Coupler/Splitter

Fiber Optic Coupler/Splitter 980nm Single Mode

The FC Series fiber optic wideband coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range

Fiber Optic WDM Coupler/Splitter 980/1550 nm

The FC Series 980/1550 nm WDM is based on Our advanced fused biconical taper technology and compact packaging structure. It features low insertion loss, high isolation, flat passband, high reliability, and stability. The device is ideal for 980 pump and 1550 nm signal wavelength division multiplexing in fiber optic amplifier systems. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner.

Fiber Optical RGB Light Combiner

The LFC Series fiber optical visible light combiners are based on our fused biconical taper technology and compact packaging structure. They enable the combination or separation of any two or three primary colors in the visible wavelength region. Configurations are available for full RGB colors of red/green/blue. It features good uniformity, low excess loss, and very low polarization sensitivity.

Fused Fiber Optical WDM

High Power 1x2, 2x2 Multimode Fiber Optic Coupler/Splitter

The HPFC Series fiber optic coupler is fully tested and burn-in at the specified high power for quality control. We can be used as 1×2 in which the reflected optical power is safely guided out through the extra fiber. An angle termination on the extra fiber is required to avoid backreflection. The coupler is based on Our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range.

High Power 1x2, 2x2 Single Mode Fiber Optic Coupler/Splitter

The HPFC Series fiber optic coupler is fully tested and burned in at the specified high power for quality control. 2×2 can be used as 1×2 in which the reflected optical power is safely guided out through the extra fiber. An angle termination is required to avoid back reflection. The coupler is based on our fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss, and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range.

High Power NxM Fiber Optical Coupler/Splitter

Our fiber couplers are used to split or combine light with minimal optical loss from one to multiple fibers. These components are manufactured using the fused biconical taper process on fully software-controlled automatic fabrication stations. The process consists of placing two or more fibers adjacent to each other, then fusing and stretching them to create a central coupling region. These couplers are packaged in a thermal expansion matching silica substrate, providing exceptional mechanical and environmental stability. Our high-power series of fiber optical couplers are tested over 10W CW. With additional heat sink packaging, we offer couplers up to 40W CW. Various configurations of NxM in SM, PM, and MM are available in a metal box by cascading 2×2. We further offer beam-expanded high-power fiber optical connectors.

High Power PLC splitter

A planar lightwave circuit (PLC) splitter is an optical power management device fabricated using silica optical waveguide technology to distribute optical signals from the Central Office (CO) to multiple premise locations. Bare fiber splitter is a kind of ODN product suitable for PON networks that can be installed in the pigtail cassette, test instrument, and WDM system, which minimizes space occupation.

High Temperature Fiber Coupler (-60 to 300 °C)

The HTFC Series fiber optic coupler is based on Our fused biconical taper technology and special packaging structure. It features good uniformity, low excess loss and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range. 1310 or 1550nm are standard wavelength band, other wavelength band is available as special orders. Couplers are highly efficient in splitting light with little loss, about 0.2dB per joint, but incur significant losses when combining lights; for example, a 50/50 coupler produces a 50% loss to each beam when combined. For beam-combining applications, search Combiner. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios.

High-Speed 1x4 PM Fiber Optical Splitter/Coupler

The NanoSpeed™ Series 1×4 solid-state fiber-optic splitter splits the optical power among four outputs with any power splitting ratio. The input is polarization-maintaining (PM) fiber and the outputs are four single mode or PM fibers. This is achieved using patent pending non-mechanical configurations with solid-state all-crystal designs, which eliminate the need for mechanical movement and organic materials, offering ultra-long lifetime. The NanoSpeed™ fiber-optic switch is designed to meet the most demanding switching requirements of fast response time, and continuous switching operation. The switch is bidirectional.

NxM (N = 1–8, M = 4–32) Single Mode Broadband Splitter Module

The N×M Fiber Couplers/Splitters are fabricated by cascading 2×2 fused fiber couplers in a star or tree architecture, providing low insertion loss, excellent channel-to-channel uniformity, high optical power handling, and high polarization extinction ratio for polarization-maintaining (PM) versions. The design offers industry-leading performance over an exceptionally wide operating wavelength range from 370 to 2400 nm and a broad operating temperature range of −40 °C to +150 °C. Standard and custom port configurations are available to meet specific application requirements. Please note that optical couplers, when used as combiners, inherently introduce losses. For example, combining two signals with a 50:50 coupler results in approximately 50% optical loss at each input. Our produces a family of fiber combiners with minimal excess loss.

Plastic Fiber Couplers/Splitters

Our PLAC plastic fiber couplers/splitters distribute incoming optical signals across multiple output fibers. These couplers utilize high-performance plastic optical fibers with a diameter of 1.0 mm with a 0.98mm core and 2.2 mm outer diameter, featuring a core made from polymethyl-methacrylate (PMMA) resin and fluorinated polymer cladding. The 1×2 coupler efficiently splits light 50:50 over a broad wavelength range in the visible spectrum. Larger 1xN and NxN configurations are created by cascading 1×2 couplers, resulting in approximately 3 dB loss at each junction. Couplers are efficient in splitting light but incur significant losses when combining lights. We offer one of the industry’s most comprehensive selections of fused fiber couplers and splitters, designed for a wide range of application scenarios.

Polarization Maintaining (PM) Fiber Optic Couplers/Splitters – Large Port Count up to 1x120

Planar lightwave circuit (PLC) splitter is a type of optical power management device that is fabricated using silica optical waveguide technology to splitter an incoming fiber into multiple output fibers. It offers large output ports at low cost with a compact size, than fused couplers. Polarization Maintaining Fiber Splitter is an optical splitter in which the polarization of linearly polarized light waves launched into the fiber is maintained during propagation, with little or no cross−coupling of optical power between the polarization modes. Available configurations are 1xN and 2xN up to 32 output fiber ports. The device intrinsically works for light of both polarizations, also it maintains one polarization.

RGB Laser Combiner, SM

The LCSM Series single-mode fiber RGB combiners are based on our fused biconical taper technology and compact packaging structure. They enable us to combine any two, three, or more primary colors in the visible wavelength region. Configurations are available for full RGB colors of red/green/blue. They feature good uniformity, low excess loss, and very low polarization sensitivity.

RGB Polarization Maintaining (PM) Fiber Optic Combiner

The LCPM Series PM fiber RGB combiners are based on our fused biconical taper technology and compact packaging structure. We enable the combination of any two, three, or more primary colors in the visible wavelength region. Configurations are available for full RGB colors of red/green/blue. Our product features good uniformity, low excess loss, and very low polarization sensitivity.

Switchable Fiber Optical Splitter/Coupler

The Switchable Fiber Optical Splitter in 1×2 format splits an incoming optical signal into two output optical fibers with the capability of switching between two splitting ratios. The initial split ratio should be predefined in design, while the second split ratio will be preset in delivery. When the control signal is low (<0.8V), the splitter sustains an initial ratio. When applying the high control voltage (3~5V), the splitting ratio will be switched from the initial ratio to the secondary one. The device is bidirectional, transmitting light in both directions simultaneously. In the 2×1 format, the input light from two inputs will be split into two outputs in a similar way of the 1×2 format, but the splitting ratio is reversed between the two input lights.

Variable Fiber Optical Splitter/Coupler

NHVS The Variable Fiber Optical Splitter/Coupler splits an incoming optical signal among the two output optical fibers (1×2) with a continuously variable ratio controlled by an input voltage signal from 0 to 5V, either DC or AC. Two inputs/outputs (Full 2×2) configuration is also available. The device does not create extra loss during the transition and is bidirectional. When the electrical control signal is removed, or at 0 V, the splitter returns to the original ratio of 100:0. The all-solid-state crystal design meets the most demanding requirements of ultra-high reliability, fast response time, and continuous operation over 25 years. The Variable Fiber Optic Splitter has passed Telcordia and space reliability qualification tests. The unit is mounted on a driving board with a control signal input SMA connector and a wall plug-in power supply.

Variable Fiber Optical Splitter/Coupler Array

The Variable Fiber Optical Splitter splits an incoming optical signal between two output optical fibers with a continuously variable ratio controlled by an electrical input voltage from 0 to 5V. When the electrical control signal is removed, the splitter returns to a pre-determined ratio with a standard version of 100:0. The device is bidirectional, transmitting light in both directions simultaneously. The all-solid-state crystal design provides high reliability. The Variable Fiber Optic Splitter has passed Telcordia reliability qualification tests. It is designed to meet the most demanding requirements of ultra-high reliability, fast response time, and continuous operation. The unit is mounted on a driving board having a control signal input SMC connector and a wall plug-in power supply. Available with several electronic drivers optimized for various repetition rates.

Variable High Power Fiber Optical Splitter/Coupler

The NS 1×2 Solid-State Variable Fiber Optic Splitter splits an incoming optical signal between two output optical fibers with an electrically variable power ratio. This is achieved using our patent-pending non-mechanical configuration. When the electrical control signal is removed, the splitter latches to a predetermined ratio with a standard version of 100:0. The device is bidirectional, transmitting light in both directions simultaneously. The all-solid-state crystal design eliminates the need for mechanical movement and organic materials. The NS Fiber Optic Splitter is designed to meet the most demanding switching requirements of ultra-high reliability, fast response time, and continuous operation.