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DBY031550H
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1550 nm Ultra-High Extinction Ratio MIOC for Precision Fiber Optic Gyroscopes

Multifunction Integrated Optical Chip (MIOC) · DBY031550H

1550 nm lithium niobate MIOC with ≥80 dB chip polarization extinction ratio for low-drift closed-loop FOG designs. Integrates polarizer, splitter, and phase modulator with ≤4.0 dB insertion loss, ≤3.5 V half-wave voltage, and DC–200 MHz operating frequency in a compact 3-pin package.

Operating Wavelength

1550±25 nm

Insertion Loss

≤4.0 dB

Maximum Optical Input Power

200 mW

Product Gallery

The 1550nm ultra-high extinction ratio lithium niobate multi-functional integrated optical chip (MIOC) is manufactured using micro-electronics technology. It integrates several functional units on a single chip, including a polarizer, splitter, combiner, and phase modulator.

Key Features

  • Ultra-high extinction ratio
  • Low insertion loss
  • LiNbO3 X-Cut Y-Prop
  • APE waveguide
  • Push-pull electrode
  • Excellent long-term stability
  • Small packaging and light weight

Applications

Fiber optic gyroscopes (FOG)Optical fiber sensing

Technical Specifications

Optical Specification

Operating Wavelength
1550±25 nm
Insertion Loss
≤4.0 dB
Maximum Optical Input Power
200 mW
Split Ratio
48/52~52/48 undefined
Pigtail Polarization Crosstalk
≤-30 dB
Polarization Extinction Ratio-chip
≥80 dB
Optical Return Loss
≤-60 dB
Additional Intensity Modulating
≤0.1% undefined

Electrical Specification

Half Wave Voltage
≤3.5 V
Maximum Voltage on DC Input
±15 V
Electrode Type
Push-pull modulating undefined
Operating Frequency
DC-200 MHz

Mechanical Specification

Electrical Connector
3 Pins undefined
Pigtail Type
PM or SM Fiber undefined
Pigtail Diameter
60/100, 80/165 or 125/250 μm

Environmental Specification

Operating Temperature
-55~+85 °C
Storage Temperature
-55~+85 °C
  1. [1]Optical parameters are specified within the 1550±25 nm wavelength band; test wavelength, fiber type, and pigtail configuration are documented in the delivered test report.
  2. [2]Half-wave voltage is characterized under push-pull modulation drive; measurement frequency and waveform conditions are confirmed per delivered configuration.

Package Information

Technical Drawings

DBY031550H Dimensions Drawing
Dimensions Drawingdimensions

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Insertion Loss

≤3.0 dB

Maximum Optical Input Power

200 mW

Split Ratio

48/52~52/48

DBY021550M
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Operating Wavelength

830±20 nm

Insertion Loss

≤3.5 dB

Maximum Optical Input Power

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Split Ratio

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DBY041550L
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Operating Wavelength

1550±25 nm

Insertion Loss

≤3.0 dB

Maximum Optical Input Power

200 mW

Split Ratio

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Technical Documentation

Detailed documentation is shared directly with qualified B2B buyers after inquiry, under mutual confidentiality. Customer, supplier, and program information is never published.

Include the model number and your application in the inquiry form — an engineer will respond with the relevant documents.

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Datasheet (PDF)

Full performance curves, pinout diagrams, and environmental testing results.

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