Generation of subpicosecond electrical pulses by nonuniform illumination of GaAs transmission-line gaps
We present a detailed study of subpicosecond pulse generation by nonuniform illumination of transmission-line gaps on semiinsulating GaAs. The dependence of such pulses on bias voltage, light intensity, and wavelength was examined in detail with the aid of a subpicosecond electrooptic sampling syste...
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| Veröffentlicht in: | IEEE journal of quantum electronics 1994-05, Vol.30 (5), p.1332-1338 |
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| container_end_page | 1338 |
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| container_issue | 5 |
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| container_title | IEEE journal of quantum electronics |
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| creator | Alexandrou, S. Chia-Chi Wang Sobolewski, R. Hsiang, T.Y. |
| description | We present a detailed study of subpicosecond pulse generation by nonuniform illumination of transmission-line gaps on semiinsulating GaAs. The dependence of such pulses on bias voltage, light intensity, and wavelength was examined in detail with the aid of a subpicosecond electrooptic sampling system. A complete spatial mapping of the excitation area indicates that the pulse generation is due to the depletion of the electrical field in the illuminated section of the gap. A comparison of uniform and nonuniform gap excitation schemes pinpointed the physical differences between the two processes of electrical-transient generation. Picosecond pulses were also generated by nonuniform illumination of a photoconductive gap placed in series with a coplanar waveguide for the first time and were found to contain balanced, odd modes only.< > |
| doi_str_mv | 10.1109/3.303699 |
| format | Article |
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The dependence of such pulses on bias voltage, light intensity, and wavelength was examined in detail with the aid of a subpicosecond electrooptic sampling system. A complete spatial mapping of the excitation area indicates that the pulse generation is due to the depletion of the electrical field in the illuminated section of the gap. A comparison of uniform and nonuniform gap excitation schemes pinpointed the physical differences between the two processes of electrical-transient generation. Picosecond pulses were also generated by nonuniform illumination of a photoconductive gap placed in series with a coplanar waveguide for the first time and were found to contain balanced, odd modes only.< ></description><identifier>ISSN: 0018-9197</identifier><identifier>EISSN: 1558-1713</identifier><identifier>DOI: 10.1109/3.303699</identifier><identifier>CODEN: IEJQA7</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Circuit properties ; Electric, optical and optoelectronic circuits ; Electrodes ; Electronic circuits ; Electronics ; Exact sciences and technology ; Gallium arsenide ; Lighting ; Optical propagation ; Optical pulse generation ; Optical pulses ; Oscillators, resonators, synthetizers ; Photoconductivity ; Pulse generation ; Switches ; Transmission lines</subject><ispartof>IEEE journal of quantum electronics, 1994-05, Vol.30 (5), p.1332-1338</ispartof><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-3e0dd5a9ecf76ee4978ebb99d665faea782d3d52bfd864f59afc8fbab34d23b33</citedby><cites>FETCH-LOGICAL-c335t-3e0dd5a9ecf76ee4978ebb99d665faea782d3d52bfd864f59afc8fbab34d23b33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/303699$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/303699$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3406344$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Alexandrou, S.</creatorcontrib><creatorcontrib>Chia-Chi Wang</creatorcontrib><creatorcontrib>Sobolewski, R.</creatorcontrib><creatorcontrib>Hsiang, T.Y.</creatorcontrib><title>Generation of subpicosecond electrical pulses by nonuniform illumination of GaAs transmission-line gaps</title><title>IEEE journal of quantum electronics</title><addtitle>JQE</addtitle><description>We present a detailed study of subpicosecond pulse generation by nonuniform illumination of transmission-line gaps on semiinsulating GaAs. The dependence of such pulses on bias voltage, light intensity, and wavelength was examined in detail with the aid of a subpicosecond electrooptic sampling system. A complete spatial mapping of the excitation area indicates that the pulse generation is due to the depletion of the electrical field in the illuminated section of the gap. A comparison of uniform and nonuniform gap excitation schemes pinpointed the physical differences between the two processes of electrical-transient generation. Picosecond pulses were also generated by nonuniform illumination of a photoconductive gap placed in series with a coplanar waveguide for the first time and were found to contain balanced, odd modes only.< ></description><subject>Applied sciences</subject><subject>Circuit properties</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electrodes</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Gallium arsenide</subject><subject>Lighting</subject><subject>Optical propagation</subject><subject>Optical pulse generation</subject><subject>Optical pulses</subject><subject>Oscillators, resonators, synthetizers</subject><subject>Photoconductivity</subject><subject>Pulse generation</subject><subject>Switches</subject><subject>Transmission lines</subject><issn>0018-9197</issn><issn>1558-1713</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouH6AZ085iHjpmjRpmxxFdBUWvOi5pOlkiXSTmmkP_nsjFT16GmbmmZfhIeSCszXnTN-KtWCi1vqArHhVqYI3XBySFWNcFZrr5picIL7nVkrFVmS3gQDJTD4GGh3FuRu9jQg2hp7CAHZK3pqBjvOAgLT7pCGGOXgX0576YZj3Pvxeb8wd0imZgHuPmIfF4APQnRnxjBw5kyPOf-opeXt8eL1_KrYvm-f7u21hhaimQgDr-8posK6pAaRuFHSd1n1dV86AaVTZi74qO9erWrpKG2eV60wnZF-KTohTcr3kjil-zIBTm1-xMAwmQJyxLVWpJFfV_2Atsy2lMnizgDZFxASuHZPfm_TZctZ-K29FuyjP6NVPpsEszWUT1uMvLySrhZQZu1wwDwB_2yXjC_3Wi4E</recordid><startdate>19940501</startdate><enddate>19940501</enddate><creator>Alexandrou, S.</creator><creator>Chia-Chi Wang</creator><creator>Sobolewski, R.</creator><creator>Hsiang, T.Y.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7SP</scope></search><sort><creationdate>19940501</creationdate><title>Generation of subpicosecond electrical pulses by nonuniform illumination of GaAs transmission-line gaps</title><author>Alexandrou, S. ; Chia-Chi Wang ; Sobolewski, R. ; Hsiang, T.Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-3e0dd5a9ecf76ee4978ebb99d665faea782d3d52bfd864f59afc8fbab34d23b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Applied sciences</topic><topic>Circuit properties</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electrodes</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Gallium arsenide</topic><topic>Lighting</topic><topic>Optical propagation</topic><topic>Optical pulse generation</topic><topic>Optical pulses</topic><topic>Oscillators, resonators, synthetizers</topic><topic>Photoconductivity</topic><topic>Pulse generation</topic><topic>Switches</topic><topic>Transmission lines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alexandrou, S.</creatorcontrib><creatorcontrib>Chia-Chi Wang</creatorcontrib><creatorcontrib>Sobolewski, R.</creatorcontrib><creatorcontrib>Hsiang, T.Y.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><jtitle>IEEE journal of quantum electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Alexandrou, S.</au><au>Chia-Chi Wang</au><au>Sobolewski, R.</au><au>Hsiang, T.Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Generation of subpicosecond electrical pulses by nonuniform illumination of GaAs transmission-line gaps</atitle><jtitle>IEEE journal of quantum electronics</jtitle><stitle>JQE</stitle><date>1994-05-01</date><risdate>1994</risdate><volume>30</volume><issue>5</issue><spage>1332</spage><epage>1338</epage><pages>1332-1338</pages><issn>0018-9197</issn><eissn>1558-1713</eissn><coden>IEJQA7</coden><abstract>We present a detailed study of subpicosecond pulse generation by nonuniform illumination of transmission-line gaps on semiinsulating GaAs. The dependence of such pulses on bias voltage, light intensity, and wavelength was examined in detail with the aid of a subpicosecond electrooptic sampling system. A complete spatial mapping of the excitation area indicates that the pulse generation is due to the depletion of the electrical field in the illuminated section of the gap. A comparison of uniform and nonuniform gap excitation schemes pinpointed the physical differences between the two processes of electrical-transient generation. Picosecond pulses were also generated by nonuniform illumination of a photoconductive gap placed in series with a coplanar waveguide for the first time and were found to contain balanced, odd modes only.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/3.303699</doi><tpages>7</tpages></addata></record> |
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| ispartof | IEEE journal of quantum electronics, 1994-05, Vol.30 (5), p.1332-1338 |
| issn | 0018-9197 1558-1713 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_3406344 |
| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electrodes Electronic circuits Electronics Exact sciences and technology Gallium arsenide Lighting Optical propagation Optical pulse generation Optical pulses Oscillators, resonators, synthetizers Photoconductivity Pulse generation Switches Transmission lines |
| title | Generation of subpicosecond electrical pulses by nonuniform illumination of GaAs transmission-line gaps |
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