A 10-Gb/s laser/modulator driver IC with a dual-mode actively matched output buffer
A laser/modulator driver IC for 10-Gb/s-SONET OC-192-fiber optic transmitters is described. Depending on the user application, the IC is capable of driving more than 100 mA of current into a laser diode or over 50 mA into an electro-absorption or Mach-Zehnder modulator. Rise and fall times below 20...
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| Veröffentlicht in: | IEEE journal of solid-state circuits 2001-09, Vol.36 (9), p.1314-1320 |
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| container_end_page | 1320 |
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| container_issue | 9 |
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| container_title | IEEE journal of solid-state circuits |
| container_volume | 36 |
| creator | Ransijn, H. Salvador, G. Daugherty, D.D. Gaynor, K.D. |
| description | A laser/modulator driver IC for 10-Gb/s-SONET OC-192-fiber optic transmitters is described. Depending on the user application, the IC is capable of driving more than 100 mA of current into a laser diode or over 50 mA into an electro-absorption or Mach-Zehnder modulator. Rise and fall times below 20 pS are achieved. The driver employs a novel dual-mode actively matched output buffer that provides a dc-coupled back termination of either 25 or 50 /spl Omega/. Compared to an output buffer with a resistive termination, this buffer dissipates only half as much power. In addition, the buffer has the the ability to reject external bias and will therefore not load bias sources used to set laser threshold currents and modulator offset voltages. The low power consumption makes the IC most suitable for co-packaging with uncooled lasers and electro-absorption modulators. The driver is fabricated in a 0.25-/spl mu/m gate length production GaAs PHEMT process with substrate thru vias, thin-film resistors, and MIM capacitors. |
| doi_str_mv | 10.1109/4.944657 |
| format | Article |
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Depending on the user application, the IC is capable of driving more than 100 mA of current into a laser diode or over 50 mA into an electro-absorption or Mach-Zehnder modulator. Rise and fall times below 20 pS are achieved. The driver employs a novel dual-mode actively matched output buffer that provides a dc-coupled back termination of either 25 or 50 /spl Omega/. Compared to an output buffer with a resistive termination, this buffer dissipates only half as much power. In addition, the buffer has the the ability to reject external bias and will therefore not load bias sources used to set laser threshold currents and modulator offset voltages. The low power consumption makes the IC most suitable for co-packaging with uncooled lasers and electro-absorption modulators. The driver is fabricated in a 0.25-/spl mu/m gate length production GaAs PHEMT process with substrate thru vias, thin-film resistors, and MIM capacitors.</description><identifier>ISSN: 0018-9200</identifier><identifier>EISSN: 1558-173X</identifier><identifier>DOI: 10.1109/4.944657</identifier><identifier>CODEN: IJSCBC</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Application specific integrated circuits ; Bias ; Buffers ; Diode lasers ; Drivers ; Gallium arsenide ; Gallium arsenides ; Impedance matching ; Integrated circuits ; Lasers ; Modulators ; Optical buffering ; Optical modulation ; Optical transmitters ; Photonic integrated circuits ; Product introduction ; Termination of employment ; Threshold current ; Threshold voltage</subject><ispartof>IEEE journal of solid-state circuits, 2001-09, Vol.36 (9), p.1314-1320</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-ba4878fb0d09315f506a7d9e0cfb583e7de2aca9ae819941fdc749f367fda5293</citedby><cites>FETCH-LOGICAL-c365t-ba4878fb0d09315f506a7d9e0cfb583e7de2aca9ae819941fdc749f367fda5293</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/944657$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/944657$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ransijn, H.</creatorcontrib><creatorcontrib>Salvador, G.</creatorcontrib><creatorcontrib>Daugherty, D.D.</creatorcontrib><creatorcontrib>Gaynor, K.D.</creatorcontrib><title>A 10-Gb/s laser/modulator driver IC with a dual-mode actively matched output buffer</title><title>IEEE journal of solid-state circuits</title><addtitle>JSSC</addtitle><description>A laser/modulator driver IC for 10-Gb/s-SONET OC-192-fiber optic transmitters is described. Depending on the user application, the IC is capable of driving more than 100 mA of current into a laser diode or over 50 mA into an electro-absorption or Mach-Zehnder modulator. Rise and fall times below 20 pS are achieved. The driver employs a novel dual-mode actively matched output buffer that provides a dc-coupled back termination of either 25 or 50 /spl Omega/. Compared to an output buffer with a resistive termination, this buffer dissipates only half as much power. In addition, the buffer has the the ability to reject external bias and will therefore not load bias sources used to set laser threshold currents and modulator offset voltages. The low power consumption makes the IC most suitable for co-packaging with uncooled lasers and electro-absorption modulators. The driver is fabricated in a 0.25-/spl mu/m gate length production GaAs PHEMT process with substrate thru vias, thin-film resistors, and MIM capacitors.</description><subject>Application specific integrated circuits</subject><subject>Bias</subject><subject>Buffers</subject><subject>Diode lasers</subject><subject>Drivers</subject><subject>Gallium arsenide</subject><subject>Gallium arsenides</subject><subject>Impedance matching</subject><subject>Integrated circuits</subject><subject>Lasers</subject><subject>Modulators</subject><subject>Optical buffering</subject><subject>Optical modulation</subject><subject>Optical transmitters</subject><subject>Photonic integrated circuits</subject><subject>Product introduction</subject><subject>Termination of employment</subject><subject>Threshold current</subject><subject>Threshold voltage</subject><issn>0018-9200</issn><issn>1558-173X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0cFLwzAUBvAgCs4pePYUPKiXbkmbpMlRhs7BwIMK3kLavLCOdp1Jq-y_N6PDgwc9PR7fjwePD6FLSiaUEjVlE8WY4PkRGlHOZULz7P0YjQihMlEpIafoLIR1XBmTdIRe7jElybyYBlybAH7atLavTdd6bH31CR4vZvir6lbYYNubOok5YFN2Mat3uDFduQKL277b9h0ueufAn6MTZ-oAF4c5Rm-PD6-zp2T5PF_M7pdJmQneJYVhMpeuIJaojHLHiTC5VUBKV3CZQW4hNaVRBiRVilFny5wpl4ncWcNTlY3R7XB369uPHkKnmyqUUNdmA20ftKJMCJaSvbz5U6YyUsXI_1CIVNEsi_D6F1y3vd_Ed7VSQvBUEhnR3YBK34bgwemtrxrjd5oSvW9LMz20FenVQCsA-GGH8BsLno1W</recordid><startdate>20010901</startdate><enddate>20010901</enddate><creator>Ransijn, H.</creator><creator>Salvador, G.</creator><creator>Daugherty, D.D.</creator><creator>Gaynor, K.D.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>7U5</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope></search><sort><creationdate>20010901</creationdate><title>A 10-Gb/s laser/modulator driver IC with a dual-mode actively matched output buffer</title><author>Ransijn, H. ; Salvador, G. ; Daugherty, D.D. ; Gaynor, K.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-ba4878fb0d09315f506a7d9e0cfb583e7de2aca9ae819941fdc749f367fda5293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Application specific integrated circuits</topic><topic>Bias</topic><topic>Buffers</topic><topic>Diode lasers</topic><topic>Drivers</topic><topic>Gallium arsenide</topic><topic>Gallium arsenides</topic><topic>Impedance matching</topic><topic>Integrated circuits</topic><topic>Lasers</topic><topic>Modulators</topic><topic>Optical buffering</topic><topic>Optical modulation</topic><topic>Optical transmitters</topic><topic>Photonic integrated circuits</topic><topic>Product introduction</topic><topic>Termination of employment</topic><topic>Threshold current</topic><topic>Threshold voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ransijn, H.</creatorcontrib><creatorcontrib>Salvador, G.</creatorcontrib><creatorcontrib>Daugherty, D.D.</creatorcontrib><creatorcontrib>Gaynor, K.D.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>IEEE journal of solid-state circuits</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ransijn, H.</au><au>Salvador, G.</au><au>Daugherty, D.D.</au><au>Gaynor, K.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 10-Gb/s laser/modulator driver IC with a dual-mode actively matched output buffer</atitle><jtitle>IEEE journal of solid-state circuits</jtitle><stitle>JSSC</stitle><date>2001-09-01</date><risdate>2001</risdate><volume>36</volume><issue>9</issue><spage>1314</spage><epage>1320</epage><pages>1314-1320</pages><issn>0018-9200</issn><eissn>1558-173X</eissn><coden>IJSCBC</coden><abstract>A laser/modulator driver IC for 10-Gb/s-SONET OC-192-fiber optic transmitters is described. Depending on the user application, the IC is capable of driving more than 100 mA of current into a laser diode or over 50 mA into an electro-absorption or Mach-Zehnder modulator. Rise and fall times below 20 pS are achieved. The driver employs a novel dual-mode actively matched output buffer that provides a dc-coupled back termination of either 25 or 50 /spl Omega/. Compared to an output buffer with a resistive termination, this buffer dissipates only half as much power. In addition, the buffer has the the ability to reject external bias and will therefore not load bias sources used to set laser threshold currents and modulator offset voltages. The low power consumption makes the IC most suitable for co-packaging with uncooled lasers and electro-absorption modulators. The driver is fabricated in a 0.25-/spl mu/m gate length production GaAs PHEMT process with substrate thru vias, thin-film resistors, and MIM capacitors.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/4.944657</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0018-9200 |
| ispartof | IEEE journal of solid-state circuits, 2001-09, Vol.36 (9), p.1314-1320 |
| issn | 0018-9200 1558-173X |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Application specific integrated circuits Bias Buffers Diode lasers Drivers Gallium arsenide Gallium arsenides Impedance matching Integrated circuits Lasers Modulators Optical buffering Optical modulation Optical transmitters Photonic integrated circuits Product introduction Termination of employment Threshold current Threshold voltage |
| title | A 10-Gb/s laser/modulator driver IC with a dual-mode actively matched output buffer |
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