Evolution of Optical Fibre Types and Cables Jim

Evolution of Optical Fibre Types and Cables Jim Matthews III Corning Incorporated

Optical Fiber & Cable ITU-T SG 15/Question 15: G. 650 Series Recommendations • G. 650 Definition and test methods for the relevant parameters of single-mode fibres • G. 651 Characteristics of a 50/125 µm multimode graded index optical fibre cable • G. 652 Characteristics of a single-mode optical fibre cable • G. 653 Characteristics of a dispersion-shifted single-mode optical fiber cable • G. 654 Characteristics of a cut-off shifted single-mode optical fibre cable • G. 655 Characteristics of a non-zero dispersion shifted singlemode optical fibre cable • G. scl Characteristics of a fibre and cable with non-zero dispersion for broadband optical transport Standards Engineering Corning Incorporated

Current Optical Fiber & Cable Activities (SG 15) • The Recommendation on SM Test Methods was subdivided into three smaller Recommendations: – G. 650. 1 Definitions and test methods for linear, deterministic attributes (consented) – G. 650. 2 Definitions and test methods for statistical and nonlinear attributes (consented) – G. 650. 3 Test methods for installed single-mode links (under discussion) • 40 GB/s applications facilitate PMD Discussions – PMDQ values Correspondence Group • New fiber type - Draft Recommendation G. scl – Non-zero dispersion-shifted fiber that would operate in the S, C, and L bands – Correspondence Group preparing a draft for the next mtg. Standards Engineering Corning Incorporated

ITU-T Study Group 6 Outside Plant • 1/6 Environmental issues of telecommunication plant • 2/6 Fire safety of telecommunication installations • 3/6 Copper networks for shared multi- services in one multi-pair cable • 4/6 Infrastructure and installation considerations for cables and equipment • 5/6 Optical fibre cable network maintenance • 6/6 Installation of underground telecommunication cables in small trenches • 7/6 Joint closures, termination and distribution frames, outdoor enclosures and passive components • 8/6 Optical fibre cable construction • 9/6 Construction of optical networks in the access area • 10/6 Marinized Terrestrial Cables as defined in ITU-T Recommendation G. 972 Standards Engineering Corning Incorporated

Current Activities - SG 6 Outside Plant • Focal point for global standards on Outside Plant – Access, metropolitan and inter-office (long-haul, core) and MTCs – Installation, protection, maintenance of optical and other transport networks, systems and equipment – Installation, protection and maintenance of cables, equipment and accessories for access and long distance networks for new services – Impact of the infrastructure on the environment – Handbooks – Revisions of L-Series Recommendations Standards Engineering Corning Incorporated

New Collaboration Trial • New Discussion Group in SG 6 (e-mail exploder) • Participating groups: – ITU-T SG 6 – IEC SC 86 A Optical Fibres and Cables – IEC SC 86 B Optical Interconnecting Devices and Passive Components – IEC SC 46 C Wires and Symmetric Cables • Objectives: – Identify the areas of common interest – Identify desired ways of cooperation and timescales – Cooperation and planning of future work Standards Engineering Corning Incorporated

Conclusions • New Fibre Types – Broad range of applications – S, C, and L Bands • New Fibre and Cable Specifications – Polarization Mode Dispersion, Chromatic Dispersion…. . • New Requirements and Techniques for Outside Plant – Installation, environmental, operational…. • New Working Methods and Collaboration – Efficiency, Speed, and Relevance Standards Engineering Corning Incorporated