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Low cutoff G.657-co...
Low cutoff G.657-compatible fiber for data center interconnects operating in the 1064 and 1310 nm windows
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Bickham, S. (author)
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Tandon, Pushkar (author)
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Mishra, Snigdharaj K. (author)
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Li, Ming-Jun (author)
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- Simpanen, Ewa, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lengyel, Tamas, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Gustavsson, Johan, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Larsson, Anders, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- SPIE, 2020
- 2020
- English.
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In: Proceedings of SPIE - The International Society for Optical Engineering. - : SPIE. - 0277-786X .- 1996-756X. ; 11286
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Abstract
Subject headings
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- Optical interconnects in data centers have traditionally used 850 nm GaAs-based vertical-cavity surface-emitting lasers (VCSELs) in combination with multimode fiber, having a reach up to 100 m in length. Longer links typically use standard single-mode fiber in conjunction with either InP-based edge-emitting lasers or silicon photonic transmitters operating in the 1310 nm or 1550 nm window. Single-mode GaAs-based VCSELs operating at 1064 nm offer another path for achieving longer system reach. Potential advantages of these VCSELs include better power efficiency, modulation speeds reaching 50 Gbps and large-scale fabrication volumes. The longer wavelength is also beneficial due to the lower attenuation and chromatic dispersion of optical fibers at that wavelength. However, one practical issue for single-mode transmission is that the G.657 standard for single-mode fiber requires that the 22-meter cable cutoff wavelength be less than 1260 nm, and these fibers are typically few-moded at 1064 nm. The large differences between the group velocities of the LP01 and LP11 modes can lead to degradation of the system performance due to multi-path interference if the higher order modes are present. To resolve this quandary, we have designed and validated the performance of a new optical fiber which is single-moded at wavelengths less than 1064 nm, but also has G.657-compliant mode field diameter and dispersion characteristics that enable it to be used in the 1310 nm window.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology -- Nano-technology (hsv//eng)
Keyword
- optical interconnects
- single-mode fiber
- 1064 nm
- VCSEL
- optical fiber
- 1310 nm
- multimode
Publication and Content Type
- kon (subject category)
- ref (subject category)
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Bickham, S.
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Tandon, Pushkar
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Mishra, Snigdhar ...
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Li, Ming-Jun
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Simpanen, Ewa, 1 ...
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Lengyel, Tamas, ...
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show more...
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Gustavsson, Joha ...
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Larsson, Anders, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Computer and Inf ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Communication Sy ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Nano technology
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and Nano technology
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Proceedings of S ...
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Chalmers University of Technology