{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/445118825"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "However, a direct optimization of the tapering including length and shape using the three-dimensional waveguide structure is tremendously time consuming.To simplify the optical design, an approximated two dimensional modal in the y-z plane is used after applying the effective index method in the x-direction as illustrated in Fig. 4" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "opticsinfobase.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/69182208"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/445118825" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/445409530"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/445118825" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/427872746"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/445118825" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/231454684"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/445118825"] } } }
