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Description

The LN15-22CFH Lithium Niobate Integrated Optical Multi-Function Chip Y-Waveguide by Shanghai Aoshi Control Technology Co., Ltd. represents a significant advancement in optical technology. This sophisticated chip is designed to operate at a wavelength of 1550 nm, making it ideal for high-precision optical applications. The integration of a lithium niobate (LiNbO₃) crystal with a low-loss single-polarization Y-branch pattern ensures efficient optical splitting, combining, and polarization functions. The chip's design incorporates a push-pull electrode configuration, which allows for precise phase adjustments of transmitted light, enhancing its signal processing capabilities.

The precision angle-polished fiber coupling minimizes back-reflection, ensuring optimal performance. Additionally, the polarization-maintaining fiber operation in the fast-axis mode further enhances the device's reliability and efficiency. The chip is built to withstand a wide operating temperature range from -45℃ to +70℃, with a storage temperature range extending from -55℃ to +85℃, making it robust enough for various environmental conditions.

This multi-function chip is housed in a durable metal package with dimensions of 30×16×5 mm, ensuring compactness without compromising performance. The fiber type used for both input and output is Φ80/165μm, with a minimum fiber length of 1.2 meters, providing flexibility in installation and integration. The LN15-22CFH is designed with user convenience in mind, featuring a straightforward pinout definition for easy connectivity. Custom specifications are available to meet specific client requirements, demonstrating Shanghai Aoshi Control Technology's commitment to tailored solutions.

It is important to handle the LN15-22CFH Lithium Niobate Integrated Optical Multi-Function Chip Y-Waveguide chip with care, avoiding excessive bending or twisting of the fiber pigtails to prevent damage. The optical fiber within the device is sensitive and should not be pulled, as this could lead to performance degradation. By adhering to these precautions, users can ensure the longevity and optimal functionality of this advanced optical chip.

LN15-22CFH Lithium Niobate Integrated Optical Multi-Function Chip Y-Waveguide

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Specifications

Chip Function: Light Splitting, Light Combining, Polarization Handling, Sensing, Signal Processing, Waveguide
Material Platform: Lithium Niobate (LiNbO₃)
Operating Wavelength Range: 1550 – 1550 nm
Fiber Interface: PM fiber pigtail, Polarization-maintaining (PM)
Active Vs Passive: Passive
Application: Fiber Optic Gyroscope (FOG), Fiber Sensing
Center Wavelength: 1550 ±20 nm
Insertion Loss (RT): ≤ 3.5 dB
Splitting Ratio: 48/52 ~ 52/48 %
Polarization Crosstalk(RT): ≤ -30.0 dB
Insertion Loss Variation Over Temperature (-45℃ ~ +70℃): ≤ 0.4 dB
Splitting Ratio Variation Over Temperature (-45℃ ~ +70℃): ≤ 2 %
Half-Wave Voltage: ≤ 4.2 V
Waveform Linearity Error: ≤ 1/250
Bandwidth: ≥ 300 MHz
Intensity Modulation Coefficient: ≤2/1000
Package Type: Metal
Dimensions (L×W×H): 30×16×5 mm
Fiber Type: Input: Φ80/165 μm Output:Φ80/165 μm

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Features

  • Operating Wavelength: 1550 nm 
  • High Polarization Extinction Ratio via LiNbO₃ APE waveguide 
  • Low Insertion Loss & High Return Loss 
  • Minimized Back-Reflection with precision angle-polished fiber coupling 
  • Low Half-Wave Voltage (Vπ) achieved by push-pull electrode design 
  • Polarization-Maintaining Fiber Operation in fast-axis mode 
  • Operating Temperature Range: -45℃ to +70℃ 
  • Storage Temperature Range: -55℃ to +85℃

Applications

  • Fiber Optic Gyroscope (FOG) Systems 
  • Coherent Detection Fiber Sensors 
  • Other Fiber Sensing Fields

Frequently Asked Questions

What is the operating wavelength of the LN15-22CFH Lithium Niobate Integrated Optical Multi-Function Chip Y-Waveguide?
The operating wavelength is 1550 nm.
What are the main applications of this 1550 Y-Waveguide?
The main applications include Fiber Optic Gyroscope (FOG) Systems, Coherent Detection Fiber Sensors, and other fiber sensing fields.
What is the operating temperature range for this Y0Waveguide?
The operating temperature range is from -45℃ to +70℃.
What is the significance of the low half-wave voltage (Vπ) in this 1550 Y-Waveguide?
The low half-wave voltage (Vπ) is achieved by a push-pull electrode design, which allows for efficient phase modulation of the light signal.
What precautions should be taken when handling the fiber pigtails of the device?
Avoid excessive bending or twisting of the fiber pigtails, as the optical fiber inside the device is prone to breakage or damage. Do not pull the device by the fiber.
What is the polarization extinction ratio achieved by the LiNbO₃ APE waveguide?
The device achieves a high polarization extinction ratio via the LiNbO₃ APE waveguide.
What is the recommended action during full-temperature testing of the device?
During full-temperature testing, it is recommended to short-circuit or connect a 100KΩ resistor between electrode terminals.

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

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