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

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