NDLI: Energy efficiency of electronic and optical QAM signal grooming

Content Provider	IEEE Xplore Digital Library
Author	Bhopalwala, M. Rastegarfar, H. Kilper, D.C.
Copyright Year	2015
Description	Author affiliation: Coll. of Opt. Sci., Univ. of Arizona, Tucson, AZ, USA (Bhopalwala, M.; Rastegarfar, H.; Kilper, D.C.)
Abstract	Wavelength grooming technologies when used with power management schemes can reduce the energy consumption of optical networks and increase spectral efficiency. Grooming aggregates multiple tributary lower data rate or lower order modulation format signals into a single higher data rate signal with increased spectral efficiency. At high data rates electronic digital signal processing of multiple advanced modulation format signals limits the net energy efficiency benefits. Optical techniques have received interest recently as an alternative, but require specialized optical components with unique energy requirements. The relative energy consumption of optical processing techniques for grooming, including the impact of power management, is evaluated with respect to conventional electronic processing on quadrature amplitude modulated (QAM) signals. Energy efficiency targets in light of expected efficiency improvement trends are determined as a function of signal baud rate. The impact of finite transmission switching delays for dynamic wavelength operation are shown to reduce the optimum baud rate for optical techniques and incur a large penalty at high baud rates.
Starting Page	59
Ending Page	65
File Size	305330
Page Count	7
File Format	PDF
ISBN	9781467371995
DOI	10.1109/OnlineGreenCom.2015.7387380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Optical polarization Network in-casting Optical grooming Power management Quadrature amplitude modulation (QAM) Energy efficient network Optical receivers Optical transmitters Optical modulation Nonlinear optics Optical signal processing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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