Description

Product Overview: Dual Port Modulator Bias Controller (MBC-DUAL-BIAS)

The Dual Port Modulator Bias Controller (MBC-DUAL-BIAS) is a compact, high-performance solution engineered for precise bias control of Mach-Zehnder (MZ) modulators featuring dual DC ports. Tailored for OEM integration, this controller is ideal for analog optical systems and applications demanding exceptionally high extinction ratios. Its design ensures optimal null locking, making it a preferred choice for advanced photonic setups where signal integrity and minimal optical noise are paramount.

This controller operates exclusively in null locking mode, providing robust stabilization at the null point to maximize extinction ratio performance. With its dual-mode operation—calibration and locking modes—it allows for streamlined system setup and rapid transition to stable operation. The calibration-off feature further accelerates system initialization, ensuring efficient deployment in both laboratory and field environments.

The MBC-DUAL-BIAS stands out for its miniature footprint (2.53″ x 2.57″ x 0.65″), making it suitable for space-constrained OEM applications. It supports a broad optical wavelength range from 1000 nm to 1650 nm, accommodating various photodiode types and system requirements. The controller is compatible with external photodetectors, enhancing its flexibility for integration into diverse optical architectures. Additionally, its pulse mode capability enables more precise null locking, particularly beneficial for pulse-modulated applications where accuracy and stability are critical.

Designed for reliability, the controller operates across a wide temperature range (0°C to 70°C) and is built to withstand rigorous storage conditions. Its robust electrical performance, including a bias voltage range of -14 V to +14 V and low current consumption, ensures seamless integration with existing power infrastructures. The MBC-DUAL-BIAS is available with a variety of connector options, facilitating compatibility with standard fiber optic interfaces.

In summary, the Dual Port Modulator Bias Controller delivers precise, stable, and high-extinction-ratio bias control for dual DC-port MZ modulators. Its compact design, operational versatility, and advanced stabilization features make it an essential component for demanding analog optical systems and OEM applications seeking superior signal quality and system reliability.

Dual Port Modulator Bias Controller

Specifications

Product Type: MBC
Modulation Type: Other
Detector Input Power: -55 dBm
Locking Slope: Positive, Negative
Locking Mode: Quad+, Quad-, Null, Peak Positions
Photodetector Type: External
Tunability: Unspecified
Detector Input Power Range: -55 to -40 dBm
Optical Wavelength Range: 1000 - 1650 nm
Bias Voltage: -14 to +14 V
Null Mode Extinction Ratio: 52 dB
Modulation Depth (NULL): 0.1 %
Pilot Tone Frequency (NULL): 2 kHz
DC Positive Power Voltage: 16.5 V
DC Negative Power Voltage: -16.5 V
DC Positive Power Current: 70 mA
DC Negative Power Current: 50 mA
Operating Temperature: 0 to +70 °C
Storage Temperature: -40 to +85 °C
Weight: 0.2 lb
Dimensions: 2.53x2.57x0.65 inch

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Features

  • Designed for Dual DC-Port Mach-Zehnder Modulators: Achieve extremely high extinction ratios at the null locking point, ideal for advanced analog systems and high-performance applications.
  • Null Locking Only Operation: Ensures stable and precise bias control by maintaining operation at the optimal null point for maximum extinction.
  • Two Operation Modes: Features both calibration mode for initial setup and locking mode for continuous operation, enabling flexible system integration.
  • Calibration Off Mode: Allows for rapid system setup and transition to locking mode, minimizing downtime and simplifying installation.
  • Pulse Mode Capability: Supports pulse mode for more precise null locking, making it suitable for pulse-modulated applications.
  • External Photodetector Access: Provides easy connection for external photodetectors, enhancing system monitoring and feedback control.
  • Wide Optical Wavelength Range: Compatible with wavelengths from 1000 nm to 1650 nm (expandable with different photodiodes), covering a broad spectrum of fiber optic applications.
  • High Null Mode Extinction Ratio: Achieves up to 52 dB extinction ratio, supporting demanding analog and digital modulation requirements.
  • Wide Detector Input Power Range: Supports detector input power from -30 dBm to -10 dBm (primary) and -70 dBm to -50 dBm (secondary), accommodating various system configurations.
  • Precise Bias Voltage Control: Offers a bias voltage range from -14 V to +14 V for fine-tuned modulator operation.
  • Compact and Low Profile Design: Measures just 2.53″ x 2.57″ x 0.65″ and weighs only 0.2 lb, making it ideal for OEM integration and space-constrained environments.
  • Robust Power Supply Compatibility: Operates with ±16 V DC supply (16–17 V positive, -16 to -17 V negative), with low current consumption (70 mA positive, 50 mA negative).
  • Wide Operating Temperature Range: Functions reliably from 0°C to 70°C, with storage capability from -40°C to 85°C for versatile deployment.
  • Multiple Connector Options: Available with FC/UPC, FC/APC, SC/UPC, SC/APC, LC/UPC, and LC/APC connectors for seamless integration into various fiber optic systems.
  • OEM-Ready Miniature Form Factor:

Applications

  • High Extinction Ratio Analog Optical Transmission
    Ideal for analog fiber optic links requiring extremely high extinction ratios, such as CATV, RF-over-fiber, and antenna remoting systems.
  • Coherent Optical Communication Systems
    Ensures stable bias control in dual DC-port Mach-Zehnder modulators, critical for coherent detection and advanced modulation formats (QPSK, QAM).
  • Quantum Key Distribution (QKD) and Quantum Optics
    Provides precise null locking for modulators used in quantum communication setups, where high extinction ratios are essential for secure key exchange.
  • Test and Measurement Equipment
    Used in optical test benches and automated test systems to maintain optimal modulator bias for accurate signal characterization and measurement.
  • Optical Pulse Generation and Shaping
    Supports pulse mode operation for applications requiring precise null locking in pulsed laser systems, such as time-resolved spectroscopy and LIDAR.
  • Optical Sensing and Interferometry
    Maintains stable modulator operation in fiber optic sensors, distributed acoustic sensing (DAS), and interferometric setups for enhanced measurement accuracy.
  • Microwave Photonics
    Enables high-fidelity modulation for photonic microwave signal processing, including photonic-assisted analog-to-digital conversion and RF signal distribution.
  • Research and Development
    Essential for R&D labs developing new optical communication protocols, photonic integrated circuits, and advanced modulator technologies.
  • Optical Network Infrastructure
    Used in backbone and metro networks to ensure reliable operation of modulators in high-capacity optical transmission systems.
  • External Modulator Bias Stabilization
    Provides robust bias control for external modulators in OEM and custom photonic systems, improving long-term system stability and performance.

Frequently Asked Questions

What is the MBC-DUAL-BIAS Modulator Bias Controller used for?
The MBC-DUAL-BIAS Modulator Bias Controller is designed for use with Mach-Zehnder (MZ) modulators that have two DC ports. It enables extremely high extinction ratio operation in analog optical systems by providing precise null locking control, making it ideal for applications requiring high signal fidelity and low noise.
What are the key features of the MBC-DUAL-BIAS Modulator Bias Controller?
Key features include support for dual DC-port modulators, null locking mode for high extinction ratios, two operation modes (calibration and locking), a low-profile OEM design, external photodetector access, and a pulse mode for precise null locking in pulsed applications.
What is the extinction ratio achieved by the MBC-DUAL-BIAS in null locking mode?
The MBC-DUAL-BIAS can achieve a null mode extinction ratio of up to 52 dB, allowing for extremely high signal-to-noise performance in analog optical modulation systems.
What optical wavelength range does the MBC-DUAL-BIAS support?
The MBC-DUAL-BIAS supports an optical wavelength range of 1000 to 1650 nm. With photodetectors of different wavelengths, this range can be expanded to suit specific application needs.
How does the calibration and locking mode work on the MBC-DUAL-BIAS?
The calibration mode allows for quick system setup by calibrating the bias point, while the locking mode maintains the modulator at the optimal null point for maximum extinction ratio. The controller also features a calibration-off mode for rapid transition to locking mode.
What are the power supply requirements for the MBC-DUAL-BIAS?
The MBC-DUAL-BIAS requires a DC positive power voltage of 16–17 V and a DC negative power voltage of -16 to -17 V. The typical current draw is 70 mA for positive and 50 mA for negative supply.
What connector options are available for the MBC-DUAL-BIAS?
The MBC-DUAL-BIAS is available with several connector options, including FC/UPC, FC/APC, SC/UPC, SC/APC, LC/UPC, and LC/APC. The connector type can be specified using the appropriate code in the part number.

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

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