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DBY041550L
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1550 nm Low Half-Wave Voltage MIOC for Fiber Optic Gyroscopes

Multifunction Integrated Optical Chip (MIOC) · DBY041550L

1550 nm lithium niobate MIOC with ≤3.0 V half-wave voltage that eases modulator drive requirements in closed-loop FOG electronics. Integrates polarizer, splitter, and phase modulator with ≤3.0 dB insertion loss and ≥55 dB chip polarization extinction ratio; gold-pad interconnect for compact assemblies.

Operating Wavelength

1550±25 nm

Insertion Loss

≤3.0 dB

Maximum Optical Input Power

200 mW

Product Gallery

The 1550nm low half-wave voltage 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

  • Low drive voltage
  • Low insertion loss
  • LiNbO3 X-Cut Y-Prop
  • APE waveguide
  • High polarizing extinction ratio
  • 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
≤3.0 dB
Maximum Optical Input Power
200 mW
Split Ratio
48/52~52/48 undefined
Pigtail Polarization Crosstalk
≤-30 dB
Polarization Extinction Ratio-chip
≥55 dB
Optical Return Loss
≤-60 dB
Additional Intensity Modulating
≤0.1% undefined

Electrical Specification

Half Wave Voltage
≤3.0 V
Maximum Voltage on DC Input
±15 V
Electrode Type
Push-pull modulating undefined
Operating Frequency
DC-200 MHz

Mechanical Specification

Electrical Connector
Gold pads 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

DBY041550L Dimensions Drawing
Dimensions Drawingdimensions
DBY041550L Installation Drawing
Installation Drawinginstallation

Related Products

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Operating Wavelength

1310±25 nm

Insertion Loss

≤3.0 dB

Maximum Optical Input Power

200 mW

Split Ratio

48/52~52/48

DBY021550M
FOG / MIOC

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Operating Wavelength

830±20 nm

Insertion Loss

≤3.5 dB

Maximum Optical Input Power

10 mW

Split Ratio

48/52~52/48

DBY031550H
FOG / MIOC

DBY031550H

Operating Wavelength

1550±25 nm

Insertion Loss

≤4.0 dB

Maximum Optical Input Power

200 mW

Split Ratio

48/52~52/48

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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