A new modal power distribution measurement for high-speed short-reach optical systems
We propose a pair of related new techniques for measuring the modal power distribution (MPD) of light launched into a multimode fiber (MMF). For modern applications involving laser launches, our method has several potential advantages over ray optics-based methods such as and recent extensions of th...
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| Veröffentlicht in: | Journal of lightwave technology 2004-02, Vol.22 (2), p.457-468 |
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| container_end_page | 468 |
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| container_title | Journal of lightwave technology |
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| creator | Golowich, S.E. Reed, W.A. Ritger, A.J. |
| description | We propose a pair of related new techniques for measuring the modal power distribution (MPD) of light launched into a multimode fiber (MMF). For modern applications involving laser launches, our method has several potential advantages over ray optics-based methods such as and recent extensions of them . Instead of relying on a time-averaged measurement of near-field intensity with a CCD camera to spatially resolve the launched power, our method uses a specially designed probe fiber to temporally resolve the launched power. If the source can be modulated fast enough (as is necessary for 10 Gbps serial transmission, for instance), the measurement is straightforward and the calculation of the MPD is trivial. For slower sources, a more involved measurement and inversion algorithm are required. |
| doi_str_mv | 10.1109/JLT.2004.824386 |
| format | Article |
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For modern applications involving laser launches, our method has several potential advantages over ray optics-based methods such as and recent extensions of them . Instead of relying on a time-averaged measurement of near-field intensity with a CCD camera to spatially resolve the launched power, our method uses a specially designed probe fiber to temporally resolve the launched power. If the source can be modulated fast enough (as is necessary for 10 Gbps serial transmission, for instance), the measurement is straightforward and the calculation of the MPD is trivial. 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For modern applications involving laser launches, our method has several potential advantages over ray optics-based methods such as and recent extensions of them . Instead of relying on a time-averaged measurement of near-field intensity with a CCD camera to spatially resolve the launched power, our method uses a specially designed probe fiber to temporally resolve the launched power. If the source can be modulated fast enough (as is necessary for 10 Gbps serial transmission, for instance), the measurement is straightforward and the calculation of the MPD is trivial. For slower sources, a more involved measurement and inversion algorithm are required.</description><subject>Algorithms</subject><subject>Applied sciences</subject><subject>CCD cameras</subject><subject>Charge coupled devices</subject><subject>Charge-coupled image sensors</subject><subject>Circuit properties</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Fiber lasers</subject><subject>Fibers</subject><subject>High speed</subject><subject>High speed optical techniques</subject><subject>Integrated optics. 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Optical fibers and wave guides</topic><topic>Laser applications</topic><topic>Laser modes</topic><topic>Lasers</topic><topic>Mathematical analysis</topic><topic>Optical and optoelectronic circuits</topic><topic>Optical modulation</topic><topic>Power distribution</topic><topic>Power measurement</topic><topic>Serials</topic><topic>Spatial resolution</topic><topic>Systems, networks and services of telecommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Transmission and modulation (techniques and equipments)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Golowich, S.E.</creatorcontrib><creatorcontrib>Reed, W.A.</creatorcontrib><creatorcontrib>Ritger, A.J.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Golowich, S.E.</au><au>Reed, W.A.</au><au>Ritger, A.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new modal power distribution measurement for high-speed short-reach optical systems</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2004-02-01</date><risdate>2004</risdate><volume>22</volume><issue>2</issue><spage>457</spage><epage>468</epage><pages>457-468</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>We propose a pair of related new techniques for measuring the modal power distribution (MPD) of light launched into a multimode fiber (MMF). For modern applications involving laser launches, our method has several potential advantages over ray optics-based methods such as and recent extensions of them . Instead of relying on a time-averaged measurement of near-field intensity with a CCD camera to spatially resolve the launched power, our method uses a specially designed probe fiber to temporally resolve the launched power. If the source can be modulated fast enough (as is necessary for 10 Gbps serial transmission, for instance), the measurement is straightforward and the calculation of the MPD is trivial. For slower sources, a more involved measurement and inversion algorithm are required.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/JLT.2004.824386</doi><tpages>12</tpages></addata></record> |
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| ispartof | Journal of lightwave technology, 2004-02, Vol.22 (2), p.457-468 |
| issn | 0733-8724 1558-2213 |
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| subjects | Algorithms Applied sciences CCD cameras Charge coupled devices Charge-coupled image sensors Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fiber lasers Fibers High speed High speed optical techniques Integrated optics. Optical fibers and wave guides Laser applications Laser modes Lasers Mathematical analysis Optical and optoelectronic circuits Optical modulation Power distribution Power measurement Serials Spatial resolution Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) |
| title | A new modal power distribution measurement for high-speed short-reach optical systems |
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