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Description

The DK-XS-DT-006-A/2 Circulator & Isolator & Rotator from DK Photonics is a high-performance optical component designed to manage light propagation in advanced fiber optic systems. Utilizing the Faraday Effect within a magneto-optical crystal, this device ensures unidirectional light transmission, effectively eliminating back reflection and back scattering across all polarization states. This is particularly crucial in maintaining signal integrity and protecting sensitive components in modern optical networks.

Engineered with a unique optical path that is epoxy-free, the DK-XS-DT-006-A/2 offers enhanced high-power handling capabilities and long-term reliability. Its robust construction results in low insertion loss and high isolation, making it an ideal choice for demanding applications such as Erbium-Doped Fiber Amplifiers (EDFAs), Raman amplifiers, dense wavelength division multiplexing (DWDM) systems, fiber lasers, and optical transmitters. The device’s low polarization dependent loss (PDL) and polarization mode dispersion (PMD) further contribute to its suitability for high-speed and high-capacity optical communication systems.

This circulator, isolator, and rotator combination is designed for exceptional environmental stability, ensuring consistent performance even under varying temperature conditions. Its high return loss and reliable operation make it a preferred solution for system integrators seeking to suppress unwanted optical feedback and enhance overall network performance. The DK-XS-DT-006-A/2 is also available with customizable options, including different fiber pigtails, connector types, and power handling capabilities, allowing it to be tailored to specific project requirements.

Widely adopted in both research and industrial settings, the DK-XS-DT-006-A/2 stands out for its precision engineering and adaptability. Whether deployed in telecommunications infrastructure, laser systems, or advanced photonics research, this device delivers the performance and reliability required for next-generation optical networks.

1550nm Polarization Insensitive Fiber Optic Isolator Low Insertion Loss

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Specifications

Type Of The Device: Isolator
Operating Wavelength: 1550 nm
Max Power: 1 W
Min Isolation: 30 dB
Band Width: ±20 dB
Typ. Peak Isolation At 23℃: 52 dB
Typ. Insertion Loss At 23℃: 0.3 dB
Max. Insertion Loss At 23℃: 0.8 dB
Return Loss (In/Out): >60/55 dB
PDL: < 0.05 dB
PMD: 0.25 ps
Max. Tensile Load: 5.0 N
Fiber Type: SMF-28e fiber, or other
Operating Temperature: -20 to +70 °C
Storage Temperature: -40 to +85 °C
Dimensions: Ф5.5× L35(<10W), 60x12x8(>10W) mm

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Features

  • Low Insertion Loss: Minimizes signal attenuation for optimal system performance.
  • High Isolation: Effectively blocks unwanted back reflections and back scattering, ensuring signal integrity.
  • Polarization Insensitive: Maintains performance regardless of input polarization state, ideal for diverse applications.
  • Optical Path Epoxy-Free Design: Enhances high-power handling capability and long-term reliability.
  • Low Polarization Dependent Loss (PDL) & Polarization Mode Dispersion (PMD): Guarantees stable operation in advanced optical networks.
  • Excellent Temperature Stability: Reliable performance across a wide temperature range.
  • High Return Loss: Reduces signal reflection for improved system efficiency.
  • High Reliability & Environmental Stability: Robust construction for demanding environments and long operational life.
  • Customizable Configurations: Available with various fiber types, connector options, wavelengths, and power handling capabilities to meet specific requirements.
  • Compact Package: Space-saving design suitable for integration into complex optical systems.

Applications

  • Erbium-Doped Fiber Amplifiers (EDFA): Essential for preventing back reflections and ensuring stable amplification in optical communication networks.
  • Raman Amplifiers: Used to suppress unwanted backscattering and enhance signal quality in high-performance fiber optic systems.
  • Dense Wavelength Division Multiplexing (DWDM) Systems: Maintains signal integrity by isolating channels and minimizing crosstalk in multi-wavelength transmission.
  • Fiber Lasers: Protects laser sources from destabilizing back reflections, improving output stability and laser lifetime.
  • Optical Transmitters and Receivers: Ensures unidirectional signal flow, reducing noise and improving overall system performance.
  • Optical Sensing Systems: Enhances measurement accuracy by eliminating interference from reflected signals.
  • Test and Measurement Equipment: Provides reliable isolation for precise characterization of optical components and systems.
  • Optical Communication Networks: Prevents signal degradation and increases reliability in long-haul and metro fiber optic links.
  • Quantum Communication: Maintains quantum signal integrity by suppressing backscattering and reflections in sensitive quantum channels.
  • Research and Development: Used in laboratory setups for advanced photonics research, ensuring clean and isolated optical paths.
  • High-Power Fiber Optic Systems: Protects sensitive components from high-power back reflections, ensuring safe and stable operation.
  • Polarization-Sensitive Applications: Suitable for systems where polarization independence is critical, such as in polarization multiplexed transmission.
  • Optical Rotators and Circulators Integration: Can be combined with rotators and circulators for advanced routing and signal processing in complex optical networks.

Frequently Asked Questions

What is a 1550nm Polarization Insensitive Isolator and what are its main applications?
A 1550nm Polarization Insensitive Isolator is an optical device that allows light to pass in one direction while blocking it in the reverse direction, regardless of the light's polarization state. It is commonly used in fiber optic communication systems, including EDFAs (Erbium-Doped Fiber Amplifiers), Raman amplifiers, DWDM systems, fiber lasers, and transmitters to suppress back reflection and back scattering, thereby improving system performance and reliability.
What are the key features of the DK Photonics 1550nm Polarization Insensitive Isolator?
The DK Photonics 1550nm Polarization Insensitive Isolator offers low insertion loss, high isolation, optical path epoxy-free design, low polarization dependent loss (PDL) and polarization mode dispersion (PMD), high reliability, and excellent temperature stability. These features make it ideal for demanding fiber optic applications.
How does the DK Photonics isolator achieve polarization insensitivity?
The isolator utilizes the Faraday Effect in a magneto-optical crystal, which rotates the polarization of light in a way that ensures the device operates effectively regardless of the input polarization state. This design allows the isolator to maintain high performance in systems where the polarization of light may vary.
Can the DK Photonics 1550nm isolator be customized for specific requirements?
Yes, DK Photonics offers customization options for their isolators, including different fiber pigtails, wavelengths, power handling capabilities, and connector types. Customers are encouraged to provide detailed specifications when inquiring about custom solutions.
What is the impact of adding connectors to the isolator?
When connectors are added to the isolator, the insertion loss increases by 0.3dB and the return loss decreases by 5dB. Additionally, the maximum power that can be transmitted through the connector is less than 2W. For high-power applications, it is recommended to avoid using 250μm bare fiber pigtails with connectors.
What are the typical use cases for a 1550nm polarization insensitive isolator in fiber optic systems?
Typical use cases include preventing back reflection and back scattering in EDFAs, Raman amplifiers, DWDM systems, fiber lasers, and optical transmitters. This helps to protect sensitive components, reduce noise, and improve overall system stability and performance.
How do I order or request a quote for a custom DK Photonics isolator?
To order or request a quote for a custom isolator, provide the correct part number (P/N) according to DK Photonics' ordering information and include a detailed description of your requirements, such as wavelength, fiber type, power handling, pigtail length, and connector type. You can contact DK Photonics via their website or email sales@dkphotonics.com for assistance.

Got more questions? Use the inquiry form to ask the supplier directly.

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