Coupled Waveguide Polarization Splitter With Slightly Different Core Widths
A coupler-type transverse electric/transverse magnetic (TE/TM) polarization splitter, in which a metal-loaded core is slightly widened, is analyzed using the three-dimensional beam-propagation method. Before analyzing the splitter with the slightly different core widths, the performance of a splitte...
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| Veröffentlicht in: | Journal of lightwave technology 2008-11, Vol.26 (21), p.3528-3533 |
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| container_end_page | 3533 |
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| container_issue | 21 |
| container_start_page | 3528 |
| container_title | Journal of lightwave technology |
| container_volume | 26 |
| creator | Yamazaki, T. Aono, H. Yamauchi, J. Nakano, H. |
| description | A coupler-type transverse electric/transverse magnetic (TE/TM) polarization splitter, in which a metal-loaded core is slightly widened, is analyzed using the three-dimensional beam-propagation method. Before analyzing the splitter with the slightly different core widths, the performance of a splitter with two identical cores is evaluated. The use of the two identical cores results in a high crosstalk and a low extinction ratio due to the phase mismatch between the waveguides with and without the metal for the TE mode. Therefore, the core width in the metal-loaded waveguide is slightly widened so as to restore the phase-matching condition. In contrast to the conventional splitter with the two identical cores, the present splitter is found to offer a low crosstalk of less than -30 dB and a high extinction ratio of more than 30 dB with a coupling efficiency of more than 97% at a wavelength of 1.55 mum. In addition, the wideband operation is demonstrated over a wavelength range of 1.50 to 1.61 mum. |
| doi_str_mv | 10.1109/JLT.2008.917322 |
| format | Article |
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Before analyzing the splitter with the slightly different core widths, the performance of a splitter with two identical cores is evaluated. The use of the two identical cores results in a high crosstalk and a low extinction ratio due to the phase mismatch between the waveguides with and without the metal for the TE mode. Therefore, the core width in the metal-loaded waveguide is slightly widened so as to restore the phase-matching condition. In contrast to the conventional splitter with the two identical cores, the present splitter is found to offer a low crosstalk of less than -30 dB and a high extinction ratio of more than 30 dB with a coupling efficiency of more than 97% at a wavelength of 1.55 mum. In addition, the wideband operation is demonstrated over a wavelength range of 1.50 to 1.61 mum.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/JLT.2008.917322</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Access methods and protocols, osi model ; Applied sciences ; Beam-propagation method (BPM) ; Circuit properties ; Crosstalk ; directional coupler ; Electric, optical and optoelectronic circuits ; Electronics ; Exact sciences and technology ; Extinction ; Extinction ratio ; Frequency conversion ; Integrated optics. Optical fibers and wave guides ; Joining ; Magnetic analysis ; Magnetic cores ; metal-clad layer ; Noise levels ; Optical and optoelectronic circuits ; Optical coupling ; Performance analysis ; Polarization ; polarization splitter ; Telecommunications ; Telecommunications and information theory ; Teleprocessing networks. Isdn ; Tellurium ; Waveguides ; Wavelengths ; Wideband</subject><ispartof>Journal of lightwave technology, 2008-11, Vol.26 (21), p.3528-3533</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2008</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c500t-c84f808d56e466b49040e35098536c7e509d9624b9ccbd6aaa8180099a7fc7e13</citedby><cites>FETCH-LOGICAL-c500t-c84f808d56e466b49040e35098536c7e509d9624b9ccbd6aaa8180099a7fc7e13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4758644$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4758644$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22183543$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yamazaki, T.</creatorcontrib><creatorcontrib>Aono, H.</creatorcontrib><creatorcontrib>Yamauchi, J.</creatorcontrib><creatorcontrib>Nakano, H.</creatorcontrib><title>Coupled Waveguide Polarization Splitter With Slightly Different Core Widths</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>A coupler-type transverse electric/transverse magnetic (TE/TM) polarization splitter, in which a metal-loaded core is slightly widened, is analyzed using the three-dimensional beam-propagation method. Before analyzing the splitter with the slightly different core widths, the performance of a splitter with two identical cores is evaluated. The use of the two identical cores results in a high crosstalk and a low extinction ratio due to the phase mismatch between the waveguides with and without the metal for the TE mode. Therefore, the core width in the metal-loaded waveguide is slightly widened so as to restore the phase-matching condition. In contrast to the conventional splitter with the two identical cores, the present splitter is found to offer a low crosstalk of less than -30 dB and a high extinction ratio of more than 30 dB with a coupling efficiency of more than 97% at a wavelength of 1.55 mum. In addition, the wideband operation is demonstrated over a wavelength range of 1.50 to 1.61 mum.</description><subject>Access methods and protocols, osi model</subject><subject>Applied sciences</subject><subject>Beam-propagation method (BPM)</subject><subject>Circuit properties</subject><subject>Crosstalk</subject><subject>directional coupler</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Extinction</subject><subject>Extinction ratio</subject><subject>Frequency conversion</subject><subject>Integrated optics. Optical fibers and wave guides</subject><subject>Joining</subject><subject>Magnetic analysis</subject><subject>Magnetic cores</subject><subject>metal-clad layer</subject><subject>Noise levels</subject><subject>Optical and optoelectronic circuits</subject><subject>Optical coupling</subject><subject>Performance analysis</subject><subject>Polarization</subject><subject>polarization splitter</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Teleprocessing networks. Isdn</subject><subject>Tellurium</subject><subject>Waveguides</subject><subject>Wavelengths</subject><subject>Wideband</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqNkc9LHDEUx0Op0K313EMvQ0HxMmt-z8tRtta2LiioeByymTduJM5sk0zB_vVmWfHQQ_GUB9_P-5LHh5DPjM4Zo-bk1_JmzimFuWGN4PwdmTGloOacifdkRhshami4_EA-pvRAKZMSmhm5WIzTJmBX3dk_eD_5DqurMdjo_9rsx6G63gSfM8bqzud1dR38_TqHp-qb73uMOORqMUYsYZfX6RPZ621IePDy7pPb72c3ix_18vL85-J0WTtFaa4dyB4odEqj1HolDZUUhaIGlNCuwTJ1RnO5Ms6tOm2tBQaUGmObvsRM7JOjXe8mjr8nTLl99MlhCHbAcUqt0OV-pUUBj_8LMt0wIQSHN6CUc0O5ZqqgX_9BH8YpDuXiFjQHYEJCgU52kItjShH7dhP9o41Ppand-mqLr3brq935KhuHL7U2ORv6aAfn0-ta8QhCye1Pv-w4j4ivsWwUaCnFM2bom5Q</recordid><startdate>20081101</startdate><enddate>20081101</enddate><creator>Yamazaki, T.</creator><creator>Aono, H.</creator><creator>Yamauchi, J.</creator><creator>Nakano, H.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20081101</creationdate><title>Coupled Waveguide Polarization Splitter With Slightly Different Core Widths</title><author>Yamazaki, T. ; Aono, H. ; Yamauchi, J. ; Nakano, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c500t-c84f808d56e466b49040e35098536c7e509d9624b9ccbd6aaa8180099a7fc7e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Access methods and protocols, osi model</topic><topic>Applied sciences</topic><topic>Beam-propagation method (BPM)</topic><topic>Circuit properties</topic><topic>Crosstalk</topic><topic>directional coupler</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Extinction</topic><topic>Extinction ratio</topic><topic>Frequency conversion</topic><topic>Integrated optics. Optical fibers and wave guides</topic><topic>Joining</topic><topic>Magnetic analysis</topic><topic>Magnetic cores</topic><topic>metal-clad layer</topic><topic>Noise levels</topic><topic>Optical and optoelectronic circuits</topic><topic>Optical coupling</topic><topic>Performance analysis</topic><topic>Polarization</topic><topic>polarization splitter</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Teleprocessing networks. Isdn</topic><topic>Tellurium</topic><topic>Waveguides</topic><topic>Wavelengths</topic><topic>Wideband</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamazaki, T.</creatorcontrib><creatorcontrib>Aono, H.</creatorcontrib><creatorcontrib>Yamauchi, J.</creatorcontrib><creatorcontrib>Nakano, H.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><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>Yamazaki, T.</au><au>Aono, H.</au><au>Yamauchi, J.</au><au>Nakano, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coupled Waveguide Polarization Splitter With Slightly Different Core Widths</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2008-11-01</date><risdate>2008</risdate><volume>26</volume><issue>21</issue><spage>3528</spage><epage>3533</epage><pages>3528-3533</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>A coupler-type transverse electric/transverse magnetic (TE/TM) polarization splitter, in which a metal-loaded core is slightly widened, is analyzed using the three-dimensional beam-propagation method. Before analyzing the splitter with the slightly different core widths, the performance of a splitter with two identical cores is evaluated. The use of the two identical cores results in a high crosstalk and a low extinction ratio due to the phase mismatch between the waveguides with and without the metal for the TE mode. Therefore, the core width in the metal-loaded waveguide is slightly widened so as to restore the phase-matching condition. In contrast to the conventional splitter with the two identical cores, the present splitter is found to offer a low crosstalk of less than -30 dB and a high extinction ratio of more than 30 dB with a coupling efficiency of more than 97% at a wavelength of 1.55 mum. In addition, the wideband operation is demonstrated over a wavelength range of 1.50 to 1.61 mum.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/JLT.2008.917322</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Access methods and protocols, osi model Applied sciences Beam-propagation method (BPM) Circuit properties Crosstalk directional coupler Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Extinction Extinction ratio Frequency conversion Integrated optics. Optical fibers and wave guides Joining Magnetic analysis Magnetic cores metal-clad layer Noise levels Optical and optoelectronic circuits Optical coupling Performance analysis Polarization polarization splitter Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn Tellurium Waveguides Wavelengths Wideband |
| title | Coupled Waveguide Polarization Splitter With Slightly Different Core Widths |
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