Imwe yezvinhu zvakakosha zvemoyo zvemanyorero mwanasikana wake wekumhanya kana bandwidth, iyo inofanira kunge iri pamusoro pekutsanya sezvo magetsi anowanikwa. Vanotsigira vanofambisa nguva zhinji pamusoro pe100 GHZ vakatoratidzwa mumakore makumi mapfumbamwe emakore eSilicon, uye kumhanya kuchawedzera kuwedzera seyakaenzana saizi yakaderedzwa [1]. Nekudaro, bandwidth yemazuva ano silicon-based modulators ishoma. Silishon haina χ (2) -nlinearity nekuda kweCentro-symmetric crystalline chimiro. Iko kushandiswa kwekushamisika silicon kwakatungamira kumhedzisiro inonakidza [2], asi iyo isisingazikane haisati yatendera kuti zvishandiso zvinoshanda. State-of-iyo Art Silicon Photonic Modulators saka ichiri kuvimba neyekupararira-inotakura rusununguko muPN kana PIN Junction [3-5]. Forward Spiald Junction yakaratidzwa kuratidzwa kuratidzira chigadzirwa-kureba seyakaderera seVπL = Zvakadaro, huwandu hwedatha dzegumi gbit / s dzakabiwa nerubatsiro rwechisimbiso chisimbiso chemagetsi chiratidzo [4]. Uchishandisa reverse kusarura majekiseni panzvimbo, bandwidth yakawedzerwa kusvika pamakumi matatu nemakumi mashanu neshanu. Zvinosuruvarisa, zvakadai plasma maitiro emuvhulators anogadzira manyoressage asingaonekwe kusimbisa modulation zvakare. Yakatangira mafomu ekunyudza seQam inoda, zvisinei, mhinduro yemutsara uye yekunyorwa chikamu chePhilation, ichiita kubatwa kweiyo Electro-Optic Estrol (Pockels mhedzisiro [8]) inonyanya kudiwa.
2. SOH nzira
Munguva pfupi yapfuura, iyo silicon-organic hybrid (soh) nzira yakataurwa [9-12]. Muenzaniso weiyo soh modulator inoratidzwa mu fig. 1 (a). Iyo inowanikwa yeiyo slot waveguide inotungamira munda wepamutemo, uye maviri silicon mitsetse iyo inobatanidza magetsi iyo Optical waveguide kune iyo simbi yemagetsi. MaElectrodes iri kunze kwekunze kweiyo Optical Modal munda kuti udzivise kurasikirwa kwekurasikirwa [13], (Fig. 1 (b). Chishandiso chakabatanidzwa neyemagetsi-optic organic zvinhu izvo zvakafanana zvizere slot. Iyo yekunyungudika voltage inotakurwa neiyo simbi yemagetsi emagetsi masimbi uye anodonhedza pane slot yekuvonga kune inodzidzisa silicon mitsetse. Iyo inokonzeresa emagetsi munda inochinja iyo index yekuramba mune slot kuburikidza neiyo Ultra-nekukurumidza Electro-Optical Electro-Optic Electro. Sezvo slot ine upamhi muhurongwa hwe100 nm, mashoma volts zvakaringana kugadzira yakasimba yekunyoresa minda iyo iri muhurongwa hwehukuru hwezvakawanda zvekushandisa. Chimiro chacho chine huwandu hwepamusoro hwekubudirira kubvumidzwa kubva pane zviri zviviri kusimuka uye minda yechienzi inoiswa mukati meiyo slot, fig. 1 (b). Chokwadi, kutanga kuita zve soh modulators nekunyorwa-volt kushanda [11] kwatooneswa kare, uye kujairana neshusoidalisa kusvika 40 GHz airatidzwa [15,10]. Nekudaro, dambudziko rekuvaka rakaderera-voltage yakakwira-soh modulators ndeyekugadzira iyo inogadzirisa inobatanidza kubatanidza mitsetse. Mune chikamu chakafanana chikaita slot chinogona kumiririrwa ne capacitor c uye iyo nzira yekufambisa neyefista r, fig. 1 (b). Nguva inoenderana yeRC yenguva dzose inogara ichisarudza bandwidth yemushini [10,14,17]. Kuti adzorere kupokana r, yakataurwa kuti iite silicon mitsetse [10,14]. Nepo doping ichivharidzira yeiyo silicon mitsetse (uye saka inowedzera kurasikirwa kwekurasikirwa), mumwe anobhadhara kumwe kurasikirwa nechirango nekuti iyo emagetsi ekufamba-famba kusakwana kupaza [,14,419]. Uyezve, iyo ichangoburwa yekuedza maitiro ekuedza yakaratidza kusatarisirwa kuderera.
Beijing Rofea Optoelectronics Co, Ltd. Inowanikwa muChina "Silicon Valley" - Beijing Zhongguancun Kambani yedu inonyanya kuitwa mukutsvaga kwakazvimirira uye kusimudzira, kugadzirwa, kutengesa, zvinopa mhinduro dzesimba uye masevhisi ezvinyorwa zvevaongorori vesaenzi uye mainjiniya endustration. After years of independent innovation, it has formed a rich and perfect series of photoelectric products, which are widely used in municipal, military, transportation, electric power, finance, education, medical and other industries.
Tiri kutarisira kushandira pamwe newe!
Kutumira Nguva: Mar-29-2023