Kuenzanisa kwe photonic integrated circuit material systems

Kuenzanisa kwe photonic integrated circuit material systems
Mufananidzo 1 unoratidza kuenzanisa kwezvinhu zviviri masisitimu, indium Phosphorus (InP) uye silicon (Si). Iko kushomeka kwe indium kunoita kuti InP ive chinhu chinodhura kupfuura Si. Nekuti silicon-based maseketi anosanganisira kushoma epitaxial kukura, goho resilicon-based maseketi rinowanzo kwira kupfuura iro reInP maseketi. Mune silicon-based maseketi, germanium (Ge), iyo inowanzo shandiswa chete mukatiPhotodetector(michina yemagetsi), inoda epitaxial kukura, nepo InP masisitimu, kunyangwe passive waveguides inofanirwa kugadzirirwa ne epitaxial kukura. Kukura kweEpitaxial kunowanzo kuve nekuremara kwepamusoro kupfuura kukura kwekristaro imwe chete, senge kubva kukristaro ingot. InP waveguides ine yakakwira refractive index musiyano chete mukuchinjika, nepo silicon-based waveguides ine yakakwira refractive index kusiyanisa mune ese ari maviri transverse uye longitudinal, iyo inobvumira silicon-based zvishandiso kuti zviwane madiki ekubhenda radii uye mamwe akawanda compact zvimiro. InGaAsP ine yakananga bhendi gap, nepo Si naGe vasingadaro. Nekuda kweizvozvo, InP zvinhu masisitimu ari epamusoro maererano nekushanda kwelaser. Iyo intrinsic oxides yeInP masisitimu haina kugadzikana uye yakasimba semukati maokisisa eSi, silicon dioxide (SiO2). Silicon chinhu chakasimba kupfuura InP, inobvumira kushandiswa kwemasaizi makuru ewafer, kureva kubva pa300 mm (nenguva pfupi ichakwidziridzwa kusvika 450 mm) zvichienzaniswa ne75 mm muInP. InPmodulatorskazhinji zvinoenderana neiyo quantum-yakavharirwa Stark mhedzisiro, inove tembiricha-inonzwa nekuda kwebhendi kumucheto kufamba kunokonzerwa nekupisa. Kusiyana neizvi, kutsamira kwekushisa kwesilicon-based modulators idiki kwazvo.

Silicon photonics tekinoroji inowanzoonekwa seyakakodzerwa chete kune yakaderera-mutengo, pfupi-renji, yakakwirira-vhoriyamu zvigadzirwa (zvinopfuura miriyoni zvimedu pagore). Izvi zvinodaro nekuti zvinogamuchirwa zvakanyanya kuti huwandu hukuru hwewafer huwandu hunodiwa kuparadzira mask uye mutengo wekuvandudza, uye izvosilicon photonics tekinorojiine zvakakosha mashandiro ekuita mudhorobha-kune-guta redunhu uye-refu-haul chigadzirwa application. Zvisinei, chaizvoizvo, zvakasiyana ndezvechokwadi. Mune inodhura-yakaderera, pfupi-renji, yepamusoro-yegoho application, vertical cavity surface-emitting laser (VCSEL) uyeyakananga-modulated laser (DML laser) : yakananga modulated laser inoisa yakakura yemakwikwi kumanikidza, uye kushaya simba kwesilicon-based photonic tekinoroji iyo isingagoni nyore kubatanidza lasers yave yakakosha kukanganisa. Kusiyana neizvi, mune metro, kureba-kure kunyorera, nekuda kwekuda kwekubatanidza silicon photonics tekinoroji uye dijitari chiratidzo chekugadzirisa (DSP) pamwe chete (iyo inowanzogara munzvimbo dzekushisa kwepamusoro), zvinobatsira zvakanyanya kuparadzanisa laser. Pamusoro pezvo, tekinoroji yekuona yakabatana inogona kugadzirisa kukanganisa kwesilicon photonics tekinoroji kusvika pamwero mukuru, senge dambudziko rekuti yakasviba ikozvino idiki zvakanyanya pane yemuno oscillator photocurrent. Panguva imwecheteyo, hazvina kunakawo kufunga kuti huwandu hukuru hwewafer hunodiwa kuvhara masiki nemitengo yekusimudzira, nekuti tekinoroji yesilicon photonics inoshandisa manode saizi akakurisa kupfuura akanyanya kuwedzeredza simbi oxide semiconductors (CMOS), saka masiki anodiwa uye kugadzirwa kunomhanya kwakachipa.