IEC 61753-381-6:2016

Overview

IEC 61753-381-6:2016 is an international standard published by the International Electrotechnical Commission (IEC) that specifies the performance requirements for cyclic arrayed waveguide grating (AWG) devices used in fibre optic interconnecting systems. This standard focuses on Category O environments, which are uncontrolled environments subject to varying environmental conditions. It defines the minimum initial test and measurement protocols that Gaussian-passband-profile cyclic AWGs must meet to ensure reliable operation in wavelength division multiplexing (WDM) networks that support multiple spectral bands.

The standard covers cyclic AWG devices with characteristics for free spectral range (FSR) to enable transmission over multiple spectral bands while using single-mode non-connectorized pigtails without an electric circuit board. By complying with IEC 61753-381-6, manufacturers and users of cyclic AWG components in fibre optic systems can ensure performance consistency, durability under environmental stresses, and compatibility within broader WDM networks.

Keywords: cyclic arrayed waveguide grating, Gaussian-passband-profile, wavelength division multiplexing, WDM, Category O, uncontrolled environment, free spectral range, fibre optic interconnecting devices.

Key Topics

• Scope and Application: Defines the test and measurement requirements for cyclic AWGs used in bidirectional single-channel WDM transmission systems.
• Environmental Conditions: Targets Category O - uncontrolled environments, ensuring device robustness against thermal variations, humidity, vibration, shock, and mechanical stress.
• Test Procedures: Outlines initial performance tests including optical parameters such as return loss, insertion loss, polarization dependent loss (PDL), and spectral transfer characteristics.
• Performance Criteria: Specifies severities and pass/fail criteria to validate devices meet IEC 61753-1 general requirements for uncontrolled environments.
• Device Requirements: Applies to devices with single-mode non-connectorized pigtails and no embedded electronics, accommodating network components that require passive optical performance.
• Compatibility with ITU-T Recommendations: Ensures alignment with ITU-T G.692, G.694.1, and G.698.3 to guarantee cyclic AWG compatibility within DWDM and multiple spectral band systems.
• Standardized Terminology: Harmonizes terms referencing IEC 62074-1 and related IEC publications on fibre optics and WDM technologies.
• Testing Norms Referenced: Utilizes test procedures from IEC 61300 series for mechanical and environmental testing, reflecting industry best practices for fibre optic device quality assessment.

Applications

IEC 61753-381-6:2016 applies primarily to manufacturers, system designers, and quality assurance teams involved in the development, deployment, and maintenance of fibre optic networks employing wavelength division multiplexing technologies. Specific applications include:

• Optical Transport Networks (OTN): Deploying cyclic AWGs to multiplex/demultiplex multiple wavelength channels over single fibre links.
• DWDM Systems: Ensuring multi-spectral band transmission with reliable passive optical components.
• Fibre Optic Interconnects: Standardizing quality requirements for AWG modules used in passive optical networks (PON) or enterprise communication systems.
• Telecommunication Infrastructure: Application in uncontrolled environment installations such as outdoor cabinets, central offices without environmental controls, and customer premises equipment (CPE).
• Network Testing and Certification: Serving as a benchmark for certification of cyclic AWG components for compliance with international optical performance and environmental standards.
• Component Manufacturing: Guiding production line testing protocols and quality control measures to meet international expectations for device resilience and optical performance.

Related Standards

IEC 61753-381-6 is part of the IEC 61753 series which covers performance standards for fibre optic interconnecting devices and passive components. It is particularly related to:

• IEC 61753-1: The general performance standard defining environmental categories including Category O for uncontrolled environments.
• IEC 61753-021-6: Specifies performance requirements for Grade B/2 single-mode fibre optic connectors suitable for Category O environments.
• IEC 61300 Series: Contains basic test and measurement procedures for fibre optic components including aspects like vibration (IEC 61300-2-1), damp heat (IEC 61300-2-19), return loss (IEC 61300-3-6), and spectral characteristics (IEC 61300-3-29).
• IEC 62074-1: Provides generic specifications for fibre optic WDM devices.
• ITU-T G.692 & G.694.1: Defines optical interfaces and DWDM spectral grids applicable for cyclic AWG operation.
• ITU-T G.698.3: Covers multichannel DWDM applications with single-channel optical interfaces, providing compatibility references for cyclic AWGs.

Practical Value

Compliance with IEC 61753-381-6:2016 helps ensure that cyclic arrayed waveguide grating devices used in fibre optic networks deliver consistent optical performance under varying environmental conditions typical of uncontrolled installations. This enhances the reliability and longevity of optical components critical for high-capacity, multi-wavelength telecommunications networks, facilitating effective deployment of WDM systems in real-world scenarios while supporting global interoperability and quality assurance.