Opticonx specializes in custom fiber optic solutions that many industries and applications rely on, including:  defense and aerospace, biomedical, and research labs. Couplers, splitters, and circulators are among the fiber optic components that Opticonx offers. As experts in fiber optics, we understand the engineering challenges of  specific custom fiber optic assemblies, and are here to help our customers address them.

Custom Fiber Optic Solutions for Any Project Requirement

Fiber optic systems    support the transfer of data signals at high speeds over long distances. They are used in high-performance data networking and  used in a wide variety of specialty applications, such as test and measurement, defense and aerospace, biomedical, and research labs. Our fiber optic solution can be made from single mode (SM), multimode (MM), polarization maintaining (PM), and other specialty fibers.

Three of the most common components we focus on are as follows:

Fiber optic coupler

A fiber optic coupler is a valuable device that can distribute an optical signal from one fiber optic cable to two or more fibers. It’s also used to combine two or more signals into one optical fiber. It covers a wide range of fiber optic devices, such as optical splitters, optical combiners, and optical couplers.

Fiber optic coupler specialty applications:

  • Measurement systems and test equipment
  • Specialty applications
  • Optical transmission and monitoring systems

Fiber optic splitter

The main purpose of a fiber optic splitter is to split an input signal into two or more outputs. Also known as a beam splitter, it can efficiently divide the incoming light transmission between multiple output fibers. For instance, a 1×4 split configuration would split a single light beam into four separate light beams and then transmit into four individual fiber cables.

Oftentimes, it’s utilized in specialized systems to distribute signals to multiple receivers, connect multiple optical receivers, or connect a single transmitter to multiple receivers. More of its specialty applications include:

  • Endoscopes and imaging systems
  • Distributed temperature sensing
  • Data connectivity and redundancy

Fiber optic circulator

Optical circulators are multi-port, non-reciprocal components, usually equipped with at least three ports. It works by transmitting high-intensity optical signals from one port to the next. However, it also blocks signal transmission from one port to the previous one, compared to a fiber optic isolator, which allows the unidirectional transmission of the optical signal to avoid unwanted optical reflections.

Fiber optic circulator solutions were commonly used in telecom applications. However, today’s availability of low-cost and high-performance circulators enabled other fields to benefit from their desirable properties, such as sensing and imaging.

Fiber optic circulator specialty applications:

  • Optical amplifiers
  • Fiber sensors
  • Bidirectional signal transmission systems

Specialty Fiber Optic Products for Specialized Applications

Our custom passive fiber optic products are predominantly employed in highly specialized applications. However, different optical solutions are needed for these fields since their applications vary. Fortunately, we have a broad range of devices to provide the best possible solution:


We have three fiber optic coupler types:

  • Wavelength Independent Couplers (WIC): WICs are passive optical devices that distribute and combine optical signals of a broad wavelength range in the second and third optical windows.
  • Wavelength Flattened Couplers (WFC): WFCs are passive optical devices that allow the distribution and combination of optical signals of a broad wavelength range inside one optical window.
  • Waveguide: These devices are used to transfer light between two planar waveguides. It’s also valuable for connecting cables carrying high-speed data or multimedia signals.


Our three fiber optic splitter types are as follows:

  • Optical: The standard optical splitters can split an optical fiber signal into two or more outputs by a determined ratio.
  • Planar Lightguide Circuit (PLC); Waveguide Splitters: PLCs are commonly employed in applications that require evenly dividing one or two optical signals into multiple optical signals.
  • Narrowband: A narrowband splitter can split the signal within a narrower wavelength range. It doesn’t require additional components, making it more cost-effective.


Currently, we offer one type of fiber optic circulator: the optical circulator. Its primary function is to unidirectionally route light from one port to the next. These are designed to have three or four ports so that light entering any port exits from the next. However, we have a variety of configurations our clients can choose from to fulfill their specific application needs.

Choose Opticonx to Fulfill Your Specialty Fiber Optic Needs

We specialize in passive fiber optic components that are thoroughly inspected and tested to ensure they meet the highest quality standards. Our team works closely with our clients to determine the best solutions for their unique needs and provide highly customized products that meet their specialty projects.

Whether you need a single-port solution or a large-scale network connection, we have what you’re looking for. Contact us today if you want to know more, or you can request a quote to get started on your custom fiber optic solution today!