Fiber Optic Couplers

The GKER Polarization Maintaining Tap Coupler (GK-PMTC Series) is engineered to deliver exceptional performance in optical signal splitting with minimal loss and high precision. Utilizing advanced manufacturing techniques, this coupler is designed to handle various splitting ratios, ensuring a high extinction ratio and reliability in ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 1550 nm
Fiber Type: SMF-28e
The GKER Singlemode Broadband Coupler (GK-SBC Series) is a high-performance optical component designed to deliver precise power splitting and signal monitoring across a wide wavelength range. This coupler excels with its low insertion loss, minimal polarization dependence, and robust environmental stability, making it a versatile ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 850 1064 1310 nm
Fiber Type: N/A
The GKER Singlemode Broadband Coupler Series delivers high performance with exceptionally low insertion loss, minimal polarization dependence, and superior environmental stability. Designed for precise signal management, it offers coupling ratios ranging from 50/50 to 1/99 with excellent uniformity across a broad wavelength ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310, 1550, or specified nm
Fiber Type: SMF-28e
The GKER Polarization Maintaining Fused Coupler (GK-PMC Series) is a high-performance optical component designed for precision and reliability across a broad wavelength range of 488 nm to 2100 nm. This coupler excels in applications requiring low excess loss, high polarization extinction ratio (ER), and exceptional environmental ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 488-2100 nm
Fiber Type: SMF-28e
The GKER Polarization Maintaining Tap Coupler (GK-PMTC Series) is an advanced optical component engineered to meet the demanding requirements of modern fiber optic systems. Designed with precision and manufactured using cutting-edge technology, this coupler ensures that the input optical signal is split into multiple outputs while ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 1550 nm
Fiber Type: SMF-28e
The GKER Photonics 980/1060 nm Singlemode Coupler (GK-SMC Series) is a state-of-the-art optical device meticulously designed to deliver exceptional performance in demanding optical communication systems. Crafted with advanced manufacturing techniques, this singlemode coupler boasts ultra-low insertion loss, minimal polarization ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 980 1060 nm
Fiber Type: SMF-28e
The GKER Multimode Fiber Filter Coupler Series delivers outstanding performance with its minimal excess loss, broad operating wavelength range, and high stability. Designed for precision and reliability, this coupler is available in both 1 × 2 and 2 × 2 configurations to suit various needs. It efficiently handles ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 1550 nm
Fiber Type: 50/125 μm
The Polarization Maintaining Filter Coupler (GK-PMFC Series) from GKER Photonics Co., Ltd. is a high-precision optical device engineered to split optical signals while maintaining the polarization state with exceptional reliability. Leveraging advanced manufacturing technologies, this coupler ensures a high extinction ratio, making ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 1550 nm
Fiber Type: SMF-28e
DK Photonics utilizes a unique fusing technique to construct the 980~1080nm High Power SM Fiber Fused Coupler. These couplers are designed to split off a portion of light for optical monitoring and feedback purposes. They are extensively used in fiber amplifier power control, as well as in transmission equipment for performance ...

Specifications

Type: Other / Not specified
Configuration: 1x2, 2x2
Splitting Ratio: 50/50
Wavelength: 980-1080 nm
Fiber Type: Single-mode (SM)
Standard or customized coupler construction can be supplied for customer laser or detector installed inside LN-cooled Dewar with side window. CIR- or PIR-fiber optical cable with SMA-termination can be supplied according customer specification for his specific applications.   Two types of MCT-detectors are also ...

Specifications

Diameter: 55 mm
Length: 40 mm
Angular Translation: ±2.50° in both orthogonal axes
Z-translation Stage: ± 5 mm
Discover our Focusing Adjustable Fiber Coupler for CO2 Laser, also known as the Laser Focusing Coupler (LaFoCoupler). This innovative accessory is designed to optimize laser beam focusing in your CO2 laser applications. With its adjustable features and high-quality components, it offers precise control and enhanced ...

Specifications

Maximal Laser Beam Diameter: 8 mm
Diameter: 30 mm
Length (with Hermetic Unit): 140 mm
Connecting Dimensions: screw M30*1
Ascentta’s new Mechanically Tunable 1x2 Optical Coupler is a cutting-edge solution for splitting or combining optical signals between fibers, enabling efficient light transmission across multiple paths. This innovative coupler supports a wide range of wavelength options (see details below), making it ideal for various optical ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: 50/50, 40/60, 30/70, 20/80, 10/90, 5/95, 25/75, 15/85, 60/40, 80/20
Wavelength: 1270, 1310, 1450, 1550, 1650 nm
Fiber Type: Single-mode (SM)
The GKER Photonics Ultra Low Ratio Tap Coupler (GK-LTC Series) is engineered to provide precise and reliable light splitting in optical systems, focusing on extracting minimal light with high accuracy. Designed for applications requiring extremely low tap ratios, such as 0.1%, 0.01%, and 0.001%, this coupler ensures that the ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1064 1550 or specify nm
Fiber Type: SMF-28e
The GKER Singlemode Standard Coupler (GK-SMC Series) is a high-performance optical coupler designed for demanding applications in optical communication systems. Engineered to operate efficiently at the 1550 nm wavelength, this coupler excels in providing very low insertion loss and minimal polarization dependence. With coupling ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: 50/50
Wavelength: 1550 nm
Fiber Type: SMF-28e
The Singlemode Broadband Coupler from GKER Photonics is engineered to deliver superior performance with low insertion loss and minimal polarization dependence across a wide wavelength range. This coupler is available in center wavelengths of 850, 1064, and 1310 nm, with a broad operational tolerance of ±100 nm, making it ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 1550 orSpecify nm
Fiber Type: SMF-28e
The GKER Photonics 980/1060 nm Singlemode Coupler, part of the GK-SMC Series, is engineered for precision and reliability in high-performance optical systems. This coupler excels in power splitting and monitoring, offering a wide wavelength range with minimal insertion loss and low polarization dependence. Designed to accommodate ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 980 1060orSpecify nm
Fiber Type: SMF-28e
The GKER Photonics 445-2100 nm Special Wavelength Coupler (GK-SMC Series) is a highly versatile optical component designed to meet the demands of modern optical communication and laser systems. Covering a broad wavelength range from 445 nm to 2100 nm, this coupler is engineered for applications requiring precise power monitoring, ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 445-2100 nm
Fiber Type: SMF-28e
The GKER Photonics 488-2100 nm Polarization Maintaining Fused Coupler (GK-PMC Series) is a highly advanced optical component engineered for precision and reliability across a broad range of wavelengths. Designed to meet the demanding needs of modern optical systems, this coupler delivers exceptional performance with low excess loss ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 488-2100 nm
Fiber Type: SMF-28e
The GKER Photonics 1064 nm Singlemode Coupler (FUD-3584) from the GK-SMC Series is engineered for high-precision optical power splitting and signal monitoring in advanced optical communication systems. This coupler offers exceptional performance with very low insertion loss and minimal polarization-dependent loss (PDL), making it ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1064 nm
Fiber Type: N/A
The GKER Photonics 2 µm Polarization Maintaining Tap Coupler (GK-PMTC Series) is a state-of-the-art optical component engineered for precision light management at a wavelength of 2000 nm. Designed with advanced technology, this coupler provides high-performance light splitting with minimal signal degradation. It allows for ...

Specifications

Type: Other / Not specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 2000 nm
Fiber Type: SMF-28e

Frequently Asked Questions

A Fiber Optic Coupler is an optical device that efficiently combines or splits light signals within a fiber optic communication system. It functions by either distributing light from a single optical fiber into multiple fibers or by combining light signals from multiple fibers into a single fiber. This is achieved through techniques such as core interaction or surface interaction.

The main types of Fiber Optic Couplers include Fused Biconical Taper (FBT) Couplers, Planar Lightwave Circuit (PLC) Couplers, Wavelength Division Multiplexers (WDM), and Star Couplers. Each type has specific applications and is designed to perform specific functions within an optical network.

In Wavelength Division Multiplexing (WDM), Fiber Optic Couplers are used to combine or separate light signals based on their wavelengths. This allows multiple signals to be transmitted through a single optical fiber, each at a different wavelength, significantly increasing the data transmission capacity of the network.

In telecommunications, Fiber Optic Couplers are essential for distributing and managing signals in telephone networks, internet infrastructure, and cable TV services. They are used for splitting signals to be distributed to multiple users, as well as for combining data streams for long-distance transmission.

Fiber Optic Couplers offer several benefits including increased network capacity by allowing multiple signals to be transmitted through a single fiber, reduced signal loss, reliability, flexibility in network design, and scalability as network traffic increases. They are also vital for efficient management of high volumes of data, especially in data centers.

Fiber Optic Couplers, especially Planar Lightwave Circuit (PLC) couplers, are designed to have low insertion loss. This means that they can efficiently split or combine signals with minimal loss of power, ensuring that the signals maintain their integrity and strength as they travel through the network.

When selecting a Fiber Optic Coupler, consider the type of coupler that suits your application (FBT, PLC, WDM, etc.), the configuration (1x2, 1x4, etc.), splitting ratio, wavelength range, insertion loss, fiber type (single-mode or multi-mode), connector type, maximum input power, operating temperature, and housing material. These factors will ensure the coupler is compatible with your network requirements.

Introduction to Fiber Optic Couplers

Fiber optic couplers are fundamental components in modern optical networks. They are used to split or combine light signals in fiber optic communication systems. This technical summary delves into the intricacies of fiber optic couplers, including their types, working principle, applications, and the advantages they bring to the table in optical networking.

Working Principle of Fiber Optic Couplers

Basic Concept: Fiber optic couplers function based on the principle of guiding light waves through optical fibers. They either split optical signals into two or more fibers or combine multiple signals into one. This is achieved through various techniques, such as fused biconical taper, micro-optics, and planar waveguides, depending on the type of coupler.

Signal Distribution: The distribution of light in a fiber optic coupler is not always equal. Depending on the requirements of the optical network, couplers can be designed to split the signal in various ratios. For example, a 1x2 coupler can be designed to split the input signal into two output signals with a ratio of 50/50, 70/30, or any other required proportion.

Types of Fiber Optic Couplers

Fused Biconical Taper (FBT) Coupler: FBT couplers are made by wrapping two or more fibers together, then heating and stretching them until they fuse into a single component. This method allows for easy signal splitting. FBT couplers are widely used because of their low cost and effectiveness in multi-mode fiber systems.

Planar Lightwave Circuit (PLC) Coupler: PLC couplers use an optical chip to split or combine signals. They are manufactured using a process similar to semiconductor fabrication. PLC couplers are highly reliable and efficient, making them suitable for single-mode systems requiring precise signal splitting.

Wavelength Division Multiplexers (WDM): WDM couplers are used to combine or separate signals based on their wavelengths. They play a crucial role in dense wavelength division multiplexing (DWDM) systems, where multiple signals are transmitted through a single fiber at different wavelengths. This increases the capacity of the network without laying additional fibers.

Applications of Fiber Optic Couplers

Telecommunications: Fiber optic couplers are indispensable in the telecommunications industry. They are used in telephone networks, cable television services, and internet backbone infrastructures for signal distribution and routing.

Data Centers: In data centers, fiber optic couplers ensure efficient management of high volumes of data. They are used for splitting signals to multiple servers and combining data streams for transmission to other data centers or clients.

Sensing Applications: Fiber optic sensors often use couplers to monitor various parameters such as temperature, pressure, and strain. The couplers help in distributing the sensing signal and retrieving the data from the sensing points.

Advantages of Using Fiber Optic Couplers

Enhanced Network Capacity: Fiber optic couplers, especially WDM couplers, enable the transmission of multiple signals through a single fiber, significantly increasing network capacity without the need for additional cabling.

Flexibility: With different types of fiber optic couplers available, network designers have the flexibility to choose the appropriate coupler based on specific needs, such as signal splitting ratios or wavelength sensitivity.

Scalability: Fiber optic couplers allow networks to be easily scaled up. As network traffic increases, additional couplers can be added to distribute signals to new network paths or devices.

Reliability and Lower Loss: Especially in the case of PLC couplers, the signal splitting is highly precise and reliable, with very low insertion loss. This ensures that the signals maintain their integrity as they travel through the network.

Conclusion: The Indispensable Role of Fiber Optic Couplers

Fiber optic couplers are integral to the operation of modern optical networks. They serve a critical function in managing the distribution and combination of light signals in fiber optic communication systems. With various types available, including FBT, PLC, and WDM couplers, they offer network designers a versatile toolset for optimizing and scaling the optical communication infrastructure. As fiber networks continue to evolve, fiber optic couplers will remain essential components in meeting the increasing demands for data transmission capacity, reliability, and flexibility.

Did You know?

Did you know that fiber optic couplers are ingenious devices that play a pivotal role in modern communication networks? These devices meticulously manage the distribution of light from a main fiber into one or more branch fibers. The versatility of fiber couplers lies in the variety of forms and types that they come in - from three or four-port couplers adept at signal splitting to combiner couplers that amalgamate multiple light streams. In addition, there are distribution couplers, often referred to as Star couplers, which efficiently manage a single input to distribute it across multiple outputs. Notably, Wavelength Division Multiplexing (WDM) and De-multiplexing couplers stand out for their ability to transmit multiple light signals through a single fiber, each at a different wavelength. This is particularly revolutionary as it significantly increases the data transmission capacity of fiber networks. Fiber couplers facilitate power transfer through two primary mechanisms. The first is through the core interaction, which involves butt-jointing the fibers, allowing power transfer through the fiber core cross-section. The second is through surface interaction, where the transfer occurs normal to the axis, and is primarily facilitated through the cladding. These couplers are indispensable across various industries and applications. For instance, in cable TV systems, they're utilized to ensure the signals are efficiently distributed to numerous households. In the realm of scientific research, fiber couplers are used in interferometers where precise measurements are paramount. Additionally, they are fundamental in the resonators of fiber lasers, contributing to the generation of coherent light. Moreover, fiber amplifiers employ these couplers to boost the signal strength without necessitating the conversion of light signals into electrical ones.