{"id":"https://openalex.org/W7160386743","doi":"https://doi.org/10.48550/arxiv.2605.03241","title":"OptiLookUp: An Optical ROM-Based Lookup Table Engine for Photonic Accelerators","display_name":"OptiLookUp: An Optical ROM-Based Lookup Table Engine for Photonic Accelerators","publication_year":2026,"publication_date":"2026-05-05","ids":{"openalex":"https://openalex.org/W7160386743","doi":"https://doi.org/10.48550/arxiv.2605.03241"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.03241","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.03241","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.03241","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5135458279","display_name":"Ankur Singh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Singh, Ankur","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5135498068","display_name":"Akhilesh Jaiswal","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jaiswal, Akhilesh","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12611","display_name":"Neural Networks and Reservoir Computing","score":0.7475000023841858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12611","display_name":"Neural Networks and Reservoir Computing","score":0.7475000023841858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.19930000603199005,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.019200000911951065,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/photonics","display_name":"Photonics","score":0.7063000202178955},{"id":"https://openalex.org/keywords/reconfigurability","display_name":"Reconfigurability","score":0.6478000283241272},{"id":"https://openalex.org/keywords/silicon-photonics","display_name":"Silicon photonics","score":0.5194000005722046},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.48159998655319214},{"id":"https://openalex.org/keywords/optical-switch","display_name":"Optical switch","score":0.4284999966621399},{"id":"https://openalex.org/keywords/photodiode","display_name":"Photodiode","score":0.38019999861717224},{"id":"https://openalex.org/keywords/optical-computing","display_name":"Optical computing","score":0.37630000710487366},{"id":"https://openalex.org/keywords/lookup-table","display_name":"Lookup table","score":0.3668000102043152},{"id":"https://openalex.org/keywords/photonic-integrated-circuit","display_name":"Photonic integrated circuit","score":0.3549000024795532}],"concepts":[{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.7063000202178955},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.666700005531311},{"id":"https://openalex.org/C2780149590","wikidata":"https://www.wikidata.org/wiki/Q7302742","display_name":"Reconfigurability","level":2,"score":0.6478000283241272},{"id":"https://openalex.org/C119423029","wikidata":"https://www.wikidata.org/wiki/Q3749103","display_name":"Silicon photonics","level":3,"score":0.5194000005722046},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.48159998655319214},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.43380001187324524},{"id":"https://openalex.org/C101336846","wikidata":"https://www.wikidata.org/wiki/Q17105111","display_name":"Optical switch","level":2,"score":0.4284999966621399},{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.38019999861717224},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.37869998812675476},{"id":"https://openalex.org/C148204187","wikidata":"https://www.wikidata.org/wiki/Q176541","display_name":"Optical computing","level":2,"score":0.37630000710487366},{"id":"https://openalex.org/C134835016","wikidata":"https://www.wikidata.org/wiki/Q690265","display_name":"Lookup table","level":2,"score":0.3668000102043152},{"id":"https://openalex.org/C22799297","wikidata":"https://www.wikidata.org/wiki/Q523846","display_name":"Photonic integrated circuit","level":3,"score":0.3549000024795532},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.3379000127315521},{"id":"https://openalex.org/C26840048","wikidata":"https://www.wikidata.org/wiki/Q7098880","display_name":"Optical performance monitoring","level":4,"score":0.323199987411499},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.31470000743865967},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.304500013589859},{"id":"https://openalex.org/C151857401","wikidata":"https://www.wikidata.org/wiki/Q640621","display_name":"Optical engineering","level":2,"score":0.304500013589859},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.3021000027656555},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.30090001225471497},{"id":"https://openalex.org/C87519884","wikidata":"https://www.wikidata.org/wiki/Q2248059","display_name":"Optical storage","level":2,"score":0.2953000068664551},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.2937999963760376},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2888000011444092},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2851000130176544},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.2809999883174896},{"id":"https://openalex.org/C45613198","wikidata":"https://www.wikidata.org/wiki/Q1134091","display_name":"Optical filter","level":2,"score":0.28060001134872437},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2712000012397766},{"id":"https://openalex.org/C45235069","wikidata":"https://www.wikidata.org/wiki/Q278425","display_name":"Table (database)","level":2,"score":0.27000001072883606},{"id":"https://openalex.org/C53143962","wikidata":"https://www.wikidata.org/wiki/Q1478788","display_name":"Silicon on insulator","level":3,"score":0.26980000734329224},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.26109999418258667},{"id":"https://openalex.org/C101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","level":3,"score":0.2549999952316284}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.03241","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.03241","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.03241","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.03241","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Read-only":[0],"memory":[1,22],"(ROM)":[2],"provides":[3],"deterministic":[4,72],"access":[5],"to":[6,13,34,114,152,171],"predefined":[7,59],"data":[8,149],"mappings.":[9,187],"Extending":[10],"ROM":[11,30,48,57,112,127,167],"concepts":[12],"the":[14,64,68,88,137],"optical":[15,29,100,108,166],"domain":[16],"enables":[17],"high-bandwidth,":[18],"low-latency,":[19],"and":[20,27,38,83,130,185],"parallel":[21],"access,":[23],"but":[24],"realizing":[25],"compact":[26,91],"reconfigurable":[28,46],"remains":[31],"challenging":[32],"due":[33],"loss,":[35,87],"wavelength":[36],"control,":[37],"integration":[39],"constraints.":[40],"This":[41],"work":[42],"presents":[43],"a":[44],"high-speed,":[45],"photonic":[47,69,126,178],"architecture":[49,89],"implemented":[50],"using":[51,106,132],"integrated":[52,162],"microring":[53],"resonators":[54],"(MRRs).":[55],"The":[56,124,165],"encodes":[58],"input-output":[60],"mappings":[61],"directly":[62],"in":[63,177],"spectral":[65],"response":[66],"of":[67],"devices,":[70],"enabling":[71],"lookup-based":[73],"operation":[74,147],"without":[75,117],"dynamic":[76],"computation":[77],"during":[78],"readout.":[79,164],"To":[80],"improve":[81],"scalability":[82],"reduce":[84],"cumulative":[85],"insertion":[86],"employs":[90],"banked":[92],"sub-arrays":[93],"that":[94],"are":[95],"selectively":[96],"addressed":[97],"through":[98,161],"an":[99],"decoding":[101],"mechanism.":[102],"Reconfigurability":[103],"is":[104,128],"achieved":[105],"transistor-based":[107],"selectors,":[109],"allowing":[110],"different":[111],"banks":[113],"be":[115,169],"activated":[116],"physical":[118],"light":[119],"rerouting":[120],"or":[121],"interferometric":[122],"structures.":[123],"proposed":[125],"designed":[129],"evaluated":[131],"device-level":[133],"simulations":[134],"based":[135],"on":[136],"GlobalFoundries":[138],"45SPCLO":[139],"silicon":[140],"photonics":[141],"platform.":[142],"Simulation":[143],"results":[144],"demonstrate":[145],"reliable":[146],"at":[148],"rates":[150],"up":[151],"12.5":[153],"GHz,":[154],"with":[155],"stable":[156],"light-to-current":[157],"transfer":[158],"characteristics":[159],"obtained":[160],"photodiode":[163],"can":[168],"used":[170],"implement":[172],"nonlinear":[173],"activation":[174],"functions":[175],"utilised":[176],"accelerator":[179],"architectures,":[180],"including":[181],"sigmoid,":[182],"tanh,":[183],"ReLU,":[184],"exponential":[186]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-05-07T00:00:00"}