Optical modulator including waveguide grating structure and multiple quantum well layer
An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident radiation beam propagating in a non-horizontal direction. The WGS includes a horizontal waveguiding layer al...
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| creator | WANG SHIH-YUAN SIGALAS MICHAEL M FATTAL DAVID |
| description | An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident radiation beam propagating in a non-horizontal direction. The WGS includes a horizontal waveguiding layer along which a lateral propagation mode is guided, the lateral propagation mode having a vertically extending mode profile. The optical modulator further comprises a multiple quantum well (MQW) layer sufficiently proximal to the horizontal waveguiding layer to be within a vertical extent of the mode profile of the lateral propagation mode. The optical modulator further comprises an electric field source applying a time-varying electric field to the MQW layer. The optical modulator modulates the incident radiation beam according to the time-varying electric field to generate a modulated radiation beam propagating in one of a transmitted direction and a reflected direction. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US7593606B2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US7593606B2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US7593606B23</originalsourceid><addsrcrecordid>eNqNyj0KAjEQQOFtLES9w1xAEBdXbFcUOwsVy2VIxhCY_JjMuHh7ETyA1YOPN23u5yzeIENIVhklFfDRsFofHYz4IqfeEriC8pUqRY1oIcBoISiLz0zwVIyiAUZiBsY3lXkzeSBXWvw6a-B4uO5PS8ppoJrRUCQZbpftZtd2q65ft38sH4C_OtE</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Optical modulator including waveguide grating structure and multiple quantum well layer</title><source>esp@cenet</source><creator>WANG SHIH-YUAN ; SIGALAS MICHAEL M ; FATTAL DAVID</creator><creatorcontrib>WANG SHIH-YUAN ; SIGALAS MICHAEL M ; FATTAL DAVID</creatorcontrib><description>An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident radiation beam propagating in a non-horizontal direction. The WGS includes a horizontal waveguiding layer along which a lateral propagation mode is guided, the lateral propagation mode having a vertically extending mode profile. The optical modulator further comprises a multiple quantum well (MQW) layer sufficiently proximal to the horizontal waveguiding layer to be within a vertical extent of the mode profile of the lateral propagation mode. The optical modulator further comprises an electric field source applying a time-varying electric field to the MQW layer. The optical modulator modulates the incident radiation beam according to the time-varying electric field to generate a modulated radiation beam propagating in one of a transmitted direction and a reflected direction.</description><language>eng</language><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; FREQUENCY-CHANGING ; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES ; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES ; NANOTECHNOLOGY ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF ; TRANSPORTING</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090922&DB=EPODOC&CC=US&NR=7593606B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090922&DB=EPODOC&CC=US&NR=7593606B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG SHIH-YUAN</creatorcontrib><creatorcontrib>SIGALAS MICHAEL M</creatorcontrib><creatorcontrib>FATTAL DAVID</creatorcontrib><title>Optical modulator including waveguide grating structure and multiple quantum well layer</title><description>An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident radiation beam propagating in a non-horizontal direction. The WGS includes a horizontal waveguiding layer along which a lateral propagation mode is guided, the lateral propagation mode having a vertically extending mode profile. The optical modulator further comprises a multiple quantum well (MQW) layer sufficiently proximal to the horizontal waveguiding layer to be within a vertical extent of the mode profile of the lateral propagation mode. The optical modulator further comprises an electric field source applying a time-varying electric field to the MQW layer. The optical modulator modulates the incident radiation beam according to the time-varying electric field to generate a modulated radiation beam propagating in one of a transmitted direction and a reflected direction.</description><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>FREQUENCY-CHANGING</subject><subject>MANUFACTURE OR TREATMENT OF NANOSTRUCTURES</subject><subject>MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES</subject><subject>NANOTECHNOLOGY</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0KAjEQQOFtLES9w1xAEBdXbFcUOwsVy2VIxhCY_JjMuHh7ETyA1YOPN23u5yzeIENIVhklFfDRsFofHYz4IqfeEriC8pUqRY1oIcBoISiLz0zwVIyiAUZiBsY3lXkzeSBXWvw6a-B4uO5PS8ppoJrRUCQZbpftZtd2q65ft38sH4C_OtE</recordid><startdate>20090922</startdate><enddate>20090922</enddate><creator>WANG SHIH-YUAN</creator><creator>SIGALAS MICHAEL M</creator><creator>FATTAL DAVID</creator><scope>EVB</scope></search><sort><creationdate>20090922</creationdate><title>Optical modulator including waveguide grating structure and multiple quantum well layer</title><author>WANG SHIH-YUAN ; SIGALAS MICHAEL M ; FATTAL DAVID</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7593606B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>FREQUENCY-CHANGING</topic><topic>MANUFACTURE OR TREATMENT OF NANOSTRUCTURES</topic><topic>MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES</topic><topic>NANOTECHNOLOGY</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG SHIH-YUAN</creatorcontrib><creatorcontrib>SIGALAS MICHAEL M</creatorcontrib><creatorcontrib>FATTAL DAVID</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG SHIH-YUAN</au><au>SIGALAS MICHAEL M</au><au>FATTAL DAVID</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Optical modulator including waveguide grating structure and multiple quantum well layer</title><date>2009-09-22</date><risdate>2009</risdate><abstract>An optical modulator and related methods are described. In accordance with one embodiment, the optical modulator comprises a horizontal waveguide grating structure (WGS) receiving an incident radiation beam propagating in a non-horizontal direction. The WGS includes a horizontal waveguiding layer along which a lateral propagation mode is guided, the lateral propagation mode having a vertically extending mode profile. The optical modulator further comprises a multiple quantum well (MQW) layer sufficiently proximal to the horizontal waveguiding layer to be within a vertical extent of the mode profile of the lateral propagation mode. The optical modulator further comprises an electric field source applying a time-varying electric field to the MQW layer. The optical modulator modulates the incident radiation beam according to the time-varying electric field to generate a modulated radiation beam propagating in one of a transmitted direction and a reflected direction.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING |
| title | Optical modulator including waveguide grating structure and multiple quantum well layer |
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