Light Polarization in Tunnel Junction Injected UV Light‐Emitting Diodes
The polarization of the light emitted by an ultraviolet light‐emitting diode (LED) has a direct impact on the device performance: a transverse electric polarization of the emission is preferred for extraction from the surface of the diode grown along the c axis. While this is the case for most UV LE...
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| Veröffentlicht in: | Physica status solidi. A, Applications and materials science Applications and materials science, 2022-04, Vol.219 (7), p.n/a |
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| container_title | Physica status solidi. A, Applications and materials science |
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| creator | Duboz, Jean-Yves Fan Arcara, Victor Kessaci, Cynthia Vézian, Stéphane Damilano, Benjamin |
| description | The polarization of the light emitted by an ultraviolet light‐emitting diode (LED) has a direct impact on the device performance: a transverse electric polarization of the emission is preferred for extraction from the surface of the diode grown along the c axis. While this is the case for most UV LEDs grown on AlN, this state of events could be called into question when a tunnel junction (TJ) is added to make up for the poor p doping in Al‐rich (Al,Ga)N and improve the hole injection. Indeed, nitride‐based TJs mainly inject holes with a Γ7 symmetry, which could lead to transverse magnetic polarization of the light emitted by the diode. We have experimentally investigated this important issue and delivered a clear answer to this question.
A tunnel junction (TJ) added on the p side of an UV light‐emitting diode (LED) does not modify the polarization of the emitted light. The transverse electric/transverse magnetic ratio in the LED with a TJ remains the same as in the LED without TJ, which was close to unity. This remains true at any injection current. |
| doi_str_mv | 10.1002/pssa.202200055 |
| format | Article |
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A tunnel junction (TJ) added on the p side of an UV light‐emitting diode (LED) does not modify the polarization of the emitted light. The transverse electric/transverse magnetic ratio in the LED with a TJ remains the same as in the LED without TJ, which was close to unity. This remains true at any injection current.</description><identifier>ISSN: 1862-6300</identifier><identifier>EISSN: 1862-6319</identifier><identifier>DOI: 10.1002/pssa.202200055</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Diodes ; Electric polarization ; Light emitting diodes ; nitrides ; Optics ; Physics ; Questions ; symmetry of bands ; tunnel junction ; Tunnel junctions ; Ultraviolet radiation ; UV LED</subject><ispartof>Physica status solidi. A, Applications and materials science, 2022-04, Vol.219 (7), p.n/a</ispartof><rights>2022 Wiley‐VCH GmbH</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3465-7551a1c1b43019113a98f60be85ef0ba2dbd0b9a2dc32de60ba7e11b40cf91003</cites><orcidid>0000-0003-2010-6796 ; 0000-0002-4521-047X ; 0000-0001-7127-4461</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fpssa.202200055$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpssa.202200055$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://cnrs.hal.science/hal-03828269$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Duboz, Jean-Yves</creatorcontrib><creatorcontrib>Fan Arcara, Victor</creatorcontrib><creatorcontrib>Kessaci, Cynthia</creatorcontrib><creatorcontrib>Vézian, Stéphane</creatorcontrib><creatorcontrib>Damilano, Benjamin</creatorcontrib><title>Light Polarization in Tunnel Junction Injected UV Light‐Emitting Diodes</title><title>Physica status solidi. A, Applications and materials science</title><description>The polarization of the light emitted by an ultraviolet light‐emitting diode (LED) has a direct impact on the device performance: a transverse electric polarization of the emission is preferred for extraction from the surface of the diode grown along the c axis. While this is the case for most UV LEDs grown on AlN, this state of events could be called into question when a tunnel junction (TJ) is added to make up for the poor p doping in Al‐rich (Al,Ga)N and improve the hole injection. Indeed, nitride‐based TJs mainly inject holes with a Γ7 symmetry, which could lead to transverse magnetic polarization of the light emitted by the diode. We have experimentally investigated this important issue and delivered a clear answer to this question.
A tunnel junction (TJ) added on the p side of an UV light‐emitting diode (LED) does not modify the polarization of the emitted light. The transverse electric/transverse magnetic ratio in the LED with a TJ remains the same as in the LED without TJ, which was close to unity. This remains true at any injection current.</description><subject>Diodes</subject><subject>Electric polarization</subject><subject>Light emitting diodes</subject><subject>nitrides</subject><subject>Optics</subject><subject>Physics</subject><subject>Questions</subject><subject>symmetry of bands</subject><subject>tunnel junction</subject><subject>Tunnel junctions</subject><subject>Ultraviolet radiation</subject><subject>UV LED</subject><issn>1862-6300</issn><issn>1862-6319</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkLFOwzAQhi0EEqWwMkdiYkg5O4kbj1UptCgSldqyWk7itK5Su8QJqEw8As_Ik-A2qIxM_-nu-093P0LXGHoYgNxtrRU9AoQAQBSdoA6OKfFpgNnpsQY4RxfWrgHCKOzjDpokarmqvakpRaU-RK2M9pT25o3WsvSeGp0dWhO9llktc2_x4h0c359fo42qa6WX3r0yubSX6KwQpZVXv9pFi4fRfDj2k-fHyXCQ-FkQ0sjvRxEWOMNpGABmGAeCxQWFVMaRLCAVJE9zSJnTLCC5dBPRl9jhkBXM_Rl00W27dyVKvq3URlQ7boTi40HC9z0IYhITyt6wY29adluZ10bamq9NU2l3Hic0pDELWUwd1WuprDLWVrI4rsXA99HyfbT8GK0zsNbwrkq5-4fm09ls8Of9AR5GfNQ</recordid><startdate>202204</startdate><enddate>202204</enddate><creator>Duboz, Jean-Yves</creator><creator>Fan Arcara, Victor</creator><creator>Kessaci, Cynthia</creator><creator>Vézian, Stéphane</creator><creator>Damilano, Benjamin</creator><general>Wiley Subscription Services, Inc</general><general>Wiley</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0003-2010-6796</orcidid><orcidid>https://orcid.org/0000-0002-4521-047X</orcidid><orcidid>https://orcid.org/0000-0001-7127-4461</orcidid></search><sort><creationdate>202204</creationdate><title>Light Polarization in Tunnel Junction Injected UV Light‐Emitting Diodes</title><author>Duboz, Jean-Yves ; Fan Arcara, Victor ; Kessaci, Cynthia ; Vézian, Stéphane ; Damilano, Benjamin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3465-7551a1c1b43019113a98f60be85ef0ba2dbd0b9a2dc32de60ba7e11b40cf91003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Diodes</topic><topic>Electric polarization</topic><topic>Light emitting diodes</topic><topic>nitrides</topic><topic>Optics</topic><topic>Physics</topic><topic>Questions</topic><topic>symmetry of bands</topic><topic>tunnel junction</topic><topic>Tunnel junctions</topic><topic>Ultraviolet radiation</topic><topic>UV LED</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duboz, Jean-Yves</creatorcontrib><creatorcontrib>Fan Arcara, Victor</creatorcontrib><creatorcontrib>Kessaci, Cynthia</creatorcontrib><creatorcontrib>Vézian, Stéphane</creatorcontrib><creatorcontrib>Damilano, Benjamin</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Physica status solidi. A, Applications and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Duboz, Jean-Yves</au><au>Fan Arcara, Victor</au><au>Kessaci, Cynthia</au><au>Vézian, Stéphane</au><au>Damilano, Benjamin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Light Polarization in Tunnel Junction Injected UV Light‐Emitting Diodes</atitle><jtitle>Physica status solidi. A, Applications and materials science</jtitle><date>2022-04</date><risdate>2022</risdate><volume>219</volume><issue>7</issue><epage>n/a</epage><issn>1862-6300</issn><eissn>1862-6319</eissn><abstract>The polarization of the light emitted by an ultraviolet light‐emitting diode (LED) has a direct impact on the device performance: a transverse electric polarization of the emission is preferred for extraction from the surface of the diode grown along the c axis. While this is the case for most UV LEDs grown on AlN, this state of events could be called into question when a tunnel junction (TJ) is added to make up for the poor p doping in Al‐rich (Al,Ga)N and improve the hole injection. Indeed, nitride‐based TJs mainly inject holes with a Γ7 symmetry, which could lead to transverse magnetic polarization of the light emitted by the diode. We have experimentally investigated this important issue and delivered a clear answer to this question.
A tunnel junction (TJ) added on the p side of an UV light‐emitting diode (LED) does not modify the polarization of the emitted light. The transverse electric/transverse magnetic ratio in the LED with a TJ remains the same as in the LED without TJ, which was close to unity. This remains true at any injection current.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/pssa.202200055</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-2010-6796</orcidid><orcidid>https://orcid.org/0000-0002-4521-047X</orcidid><orcidid>https://orcid.org/0000-0001-7127-4461</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Diodes Electric polarization Light emitting diodes nitrides Optics Physics Questions symmetry of bands tunnel junction Tunnel junctions Ultraviolet radiation UV LED |
| title | Light Polarization in Tunnel Junction Injected UV Light‐Emitting Diodes |
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