{"id":2736,"date":"2026-04-23T07:33:39","date_gmt":"2026-04-23T07:33:39","guid":{"rendered":"https:\/\/www.fuyao-quartz.com\/?post_type=product&#038;p=2736"},"modified":"2026-04-23T07:33:41","modified_gmt":"2026-04-23T07:33:41","slug":"tfln-tflt-on-siph-platform-for-high-speed-optical-modulators-hybrid-photonics","status":"publish","type":"product","link":"https:\/\/www.fuyao-quartz.com\/fr\/product\/tfln-tflt-on-siph-platform-for-high-speed-optical-modulators-hybrid-photonics\/","title":{"rendered":"TFLN \/ TFLT sur la plate-forme SiPh pour les modulateurs optiques \u00e0 grande vitesse et la photonique hybride"},"content":{"rendered":"<h2 data-section-id=\"1p927wt\" data-start=\"183\" data-end=\"202\">Aper\u00e7u du produit<\/h2>\n<p data-start=\"204\" data-end=\"449\">Les TFLN (Thin-Film Lithium Niobate) et TFLT (Thin-Film Lithium Tantalate) sur silicium photonique (SiPh) repr\u00e9sentent une plateforme d'int\u00e9gration h\u00e9t\u00e9rog\u00e8ne avanc\u00e9e d\u00e9velopp\u00e9e pour surmonter les limitations physiques intrins\u00e8ques du silicium dans les syst\u00e8mes photoniques.<\/p>\n<p data-start=\"451\" data-end=\"802\">La photonique au silicium offre d'excellentes<img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-2738 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-1.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Le LiNbO\u2083 est un \u00e9l\u00e9ment essentiel de la modularit\u00e9 et de la compatibilit\u00e9 CMOS, mais il n'a pas d'effet \u00e9lectro-optique lin\u00e9aire fort (Pockels) et souffre d'une perte relativement \u00e9lev\u00e9e et d'une lin\u00e9arit\u00e9 de modulation limit\u00e9e. Pour rem\u00e9dier \u00e0 ces contraintes, des couches minces de LiNbO\u2083 et de LiTaO\u2083 sont introduites sur des plates-formes SiPh par collage de plaquettes ou par des techniques d'int\u00e9gration hybrides.<\/p>\n<p data-start=\"804\" data-end=\"845\">Cette solution permet de combiner :<\/p>\n<ul data-start=\"846\" data-end=\"963\">\n<li data-section-id=\"r1wo8t\" data-start=\"846\" data-end=\"901\">Performances \u00e9lectro-optiques \u00e0 grande vitesse gr\u00e2ce au TFLN\/TFLT<\/li>\n<li data-section-id=\"69kzzy\" data-start=\"902\" data-end=\"963\">Capacit\u00e9 d'int\u00e9gration \u00e0 grande \u00e9chelle gr\u00e2ce \u00e0 la photonique du silicium<\/li>\n<\/ul>\n<p data-start=\"965\" data-end=\"1081\">Il est largement utilis\u00e9 dans les interconnexions optiques de la prochaine g\u00e9n\u00e9ration, les syst\u00e8mes de communication coh\u00e9rents et la photonique \u00e0 micro-ondes.<\/p>\n<hr data-start=\"1083\" data-end=\"1086\" \/>\n<h2 data-section-id=\"1ofkw\" data-start=\"1088\" data-end=\"1115\">D\u00e9finition du mat\u00e9riau de base<\/h2>\n<h3 data-section-id=\"1uf2e65\" data-start=\"1117\" data-end=\"1153\">TFLN (Niobate de lithium \u00e0 couche mince)<\/h3>\n<p data-start=\"1154\" data-end=\"1350\">Le niobate de lithium en couche mince offre un fort effet Pockels, permettant une modulation optique ultra-rapide avec une faible perte d'insertion. C'est actuellement la norme industrielle pour les modulateurs optiques \u00e0 grande vitesse.<\/p>\n<h3 data-section-id=\"4p3f5b\" data-start=\"1352\" data-end=\"1390\">TFLT (tantalate de lithium \u00e0 couche mince)<\/h3>\n<p data-start=\"1391\" data-end=\"1651\">Le tantalate de lithium en couche mince pr\u00e9sente un comportement \u00e9lectro-optique similaire, mais offre une meilleure stabilit\u00e9 thermique, un seuil de dommage optique plus \u00e9lev\u00e9 et une meilleure uniformit\u00e9 au niveau de la plaquette. Il est consid\u00e9r\u00e9 comme une alternative prometteuse pour les applications de grande puissance et \u00e0 grande \u00e9chelle.<\/p>\n<hr data-start=\"1653\" data-end=\"1656\" \/>\n<h2 data-section-id=\"1p25a69\" data-start=\"1658\" data-end=\"1709\"><img decoding=\"async\" class=\"size-medium wp-image-2737 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-3.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Pourquoi int\u00e9grer TFLN \/ TFLT \u00e0 la photonique de silicium ?<\/h2>\n<p data-start=\"1711\" data-end=\"1787\">Le silicium seul ne permet pas une modulation efficace et performante en raison de :<\/p>\n<ul data-start=\"1789\" data-end=\"1963\">\n<li data-section-id=\"6u9ila\" data-start=\"1789\" data-end=\"1834\">Absence d'effet \u00e9lectro-optique intrins\u00e8que<\/li>\n<li data-section-id=\"1807674\" data-start=\"1835\" data-end=\"1909\">D\u00e9pendance de l'effet de dispersion du plasma, conduisant \u00e0 une perte optique plus \u00e9lev\u00e9e<\/li>\n<li data-section-id=\"1pvfqwi\" data-start=\"1910\" data-end=\"1963\">Lin\u00e9arit\u00e9 limit\u00e9e pour les formats de modulation avanc\u00e9s<\/li>\n<\/ul>\n<p data-start=\"1965\" data-end=\"2023\">En int\u00e9grant TFLN\/TFLT sur SiPh, la plateforme permet d'atteindre les objectifs suivants<\/p>\n<ul data-start=\"2025\" data-end=\"2259\">\n<li data-section-id=\"23439j\" data-start=\"2025\" data-end=\"2101\">Largeur de bande de modulation sup\u00e9rieure \u00e0 100 GHz, compatible avec les syst\u00e8mes 800G et 1,6T<\/li>\n<li data-section-id=\"10lza3q\" data-start=\"2102\" data-end=\"2162\">Tension demi-onde plus faible (V\u03c0), r\u00e9duisant la consommation d'\u00e9nergie<\/li>\n<li data-section-id=\"12wbi12\" data-start=\"2163\" data-end=\"2201\">Perte de propagation optique ultra-faible<\/li>\n<li data-section-id=\"sadmxo\" data-start=\"2202\" data-end=\"2259\">Large fen\u00eatre de transparence du visible \u00e0 l'infrarouge moyen<\/li>\n<\/ul>\n<hr data-start=\"2261\" data-end=\"2264\" \/>\n<h2 data-section-id=\"1cwrebf\" data-start=\"2266\" data-end=\"2291\">Approches d'int\u00e9gration<\/h2>\n<h3 data-section-id=\"799r33\" data-start=\"2293\" data-end=\"2342\">1. Int\u00e9gration h\u00e9t\u00e9rog\u00e8ne (m\u00e9thode de collage)<\/h3>\n<p data-start=\"2343\" data-end=\"2439\">Le LN ou LT en couche mince est coll\u00e9 sur des guides d'ondes pr\u00e9fabriqu\u00e9s en silicium ou en nitrure de silicium (Si\/SiN).<\/p>\n<ul data-start=\"2441\" data-end=\"2593\">\n<li data-section-id=\"o5yhcb\" data-start=\"2441\" data-end=\"2482\">Couplage optique par champ \u00e9vanescent<\/li>\n<li data-section-id=\"1kkmm9n\" data-start=\"2483\" data-end=\"2550\">Compatibilit\u00e9 totale avec la fabrication photonique au silicium<\/li>\n<li data-section-id=\"1gx8mi2\" data-start=\"2551\" data-end=\"2593\">Convient \u00e0 la fabrication \u00e0 grande \u00e9chelle<\/li>\n<\/ul>\n<h3 data-section-id=\"tie3ly\" data-start=\"2595\" data-end=\"2632\">2. Approche par guide d'ondes LNOI \/ LTOI<\/h3>\n<p data-start=\"2633\" data-end=\"2698\">Les guides d'ondes sont directement grav\u00e9s dans la couche mince LN ou LT.<\/p>\n<ul data-start=\"2700\" data-end=\"2873\">\n<li data-section-id=\"cbu06y\" data-start=\"2700\" data-end=\"2757\">Fort confinement optique dans un mat\u00e9riau monocristallin<\/li>\n<li data-section-id=\"gktzjl\" data-start=\"2758\" data-end=\"2791\">Efficacit\u00e9 de modulation maximale<\/li>\n<li data-section-id=\"1z0dmkd\" data-start=\"2792\" data-end=\"2873\">Fabrication plus complexe et compatibilit\u00e9 moindre avec les proc\u00e9d\u00e9s SiPh standard<\/li>\n<\/ul>\n<hr data-start=\"2875\" data-end=\"2878\" \/>\n<h2 data-section-id=\"2wk4hc\" data-start=\"2880\" data-end=\"2930\">Structure typique (placement d'image recommand\u00e9)<\/h2>\n<p>&nbsp;<\/p>\n<p data-start=\"2932\" data-end=\"2986\"><strong data-start=\"2932\" data-end=\"2984\">Structure 1 : Guide d'onde hybride (SiPh + TFLN\/TFLT)<\/strong><\/p>\n<ul data-start=\"2987\" data-end=\"3113\">\n<li data-section-id=\"b2pvmx\" data-start=\"2987\" data-end=\"3025\">Guide d'onde Si ou SiN (couche inf\u00e9rieure)<\/li>\n<li data-section-id=\"cv2a7v\" data-start=\"3026\" data-end=\"3048\">Couche de liaison SiO\u2082<\/li>\n<li data-section-id=\"1cpynik\" data-start=\"3049\" data-end=\"3088\">Couche LN\/LT en couche mince (~300-600 nm)<\/li>\n<li data-section-id=\"prwbfm\" data-start=\"3089\" data-end=\"3113\">\u00c9lectrodes RF sur le dessus<\/li>\n<\/ul>\n<p data-start=\"3115\" data-end=\"3161\"><strong data-start=\"3115\" data-end=\"3159\">Structure 2 : Guide d'ondes en cr\u00eate (LNOI\/LTOI)<\/strong><\/p>\n<ul data-start=\"3162\" data-end=\"3226\">\n<li data-section-id=\"yhsq6g\" data-start=\"3162\" data-end=\"3181\">Film mince LN\/LT<\/li>\n<li data-section-id=\"1j1j1am\" data-start=\"3182\" data-end=\"3204\">Oxyde enfoui (BOX)<\/li>\n<li data-section-id=\"jr6d04\" data-start=\"3205\" data-end=\"3226\">Substrat de silicium<\/li>\n<\/ul>\n<p data-start=\"3228\" data-end=\"3247\"><img decoding=\"async\" class=\"wp-image-2740 size-full aligncenter\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/6394893d-be15-4e9d-a9ee-d8a80dddc621.png\" alt=\"\" width=\"715\" height=\"649\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/6394893d-be15-4e9d-a9ee-d8a80dddc621.png 715w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/6394893d-be15-4e9d-a9ee-d8a80dddc621-300x272.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/6394893d-be15-4e9d-a9ee-d8a80dddc621-13x12.png 13w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/6394893d-be15-4e9d-a9ee-d8a80dddc621-600x545.png 600w\" sizes=\"(max-width: 715px) 100vw, 715px\" \/><\/p>\n<hr data-start=\"3249\" data-end=\"3252\" \/>\n<h2 data-section-id=\"1z08cpz\" data-start=\"3254\" data-end=\"3279\">Param\u00e8tres de performance<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3281\" data-end=\"3951\">\n<thead data-start=\"3281\" data-end=\"3316\">\n<tr data-start=\"3281\" data-end=\"3316\">\n<th class=\"\" data-start=\"3281\" data-end=\"3293\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th class=\"\" data-start=\"3293\" data-end=\"3300\" data-col-size=\"sm\">TFLN<\/th>\n<th class=\"\" data-start=\"3300\" data-end=\"3307\" data-col-size=\"sm\">TFLT<\/th>\n<th class=\"\" data-start=\"3307\" data-end=\"3316\" data-col-size=\"sm\">Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3351\" data-end=\"3951\">\n<tr data-start=\"3351\" data-end=\"3440\">\n<td data-start=\"3351\" data-end=\"3385\" data-col-size=\"sm\">Coefficient \u00e9lectro-optique (r33)<\/td>\n<td data-col-size=\"sm\" data-start=\"3385\" data-end=\"3396\">~31 pm\/V<\/td>\n<td data-col-size=\"sm\" data-start=\"3396\" data-end=\"3407\">~30 pm\/V<\/td>\n<td data-col-size=\"sm\" data-start=\"3407\" data-end=\"3440\">Efficacit\u00e9 de modulation similaire<\/td>\n<\/tr>\n<tr data-start=\"3441\" data-end=\"3531\">\n<td data-start=\"3441\" data-end=\"3458\" data-col-size=\"sm\">Largeur de bande \u00e0 3 dB<\/td>\n<td data-col-size=\"sm\" data-start=\"3458\" data-end=\"3473\">100-400 GHz<\/td>\n<td data-col-size=\"sm\" data-start=\"3473\" data-end=\"3487\">70-100 GHz<\/td>\n<td data-col-size=\"sm\" data-start=\"3487\" data-end=\"3531\">Beaucoup plus \u00e9lev\u00e9 que les modulateurs Si (~40 GHz)<\/td>\n<\/tr>\n<tr data-start=\"3532\" data-end=\"3604\">\n<td data-start=\"3532\" data-end=\"3539\" data-col-size=\"sm\">V\u03c0-L<\/td>\n<td data-col-size=\"sm\" data-start=\"3539\" data-end=\"3554\">1,8-2,5 V-cm<\/td>\n<td data-col-size=\"sm\" data-start=\"3554\" data-end=\"3569\">2,0-3,5 V-cm<\/td>\n<td data-col-size=\"sm\" data-start=\"3569\" data-end=\"3604\">Plus bas signifie une tension d'entra\u00eenement plus basse<\/td>\n<\/tr>\n<tr data-start=\"3605\" data-end=\"3663\">\n<td data-start=\"3605\" data-end=\"3620\" data-col-size=\"sm\">Perte optique<\/td>\n<td data-col-size=\"sm\" data-start=\"3620\" data-end=\"3633\">&lt;0,1 dB\/cm<\/td>\n<td data-col-size=\"sm\" data-start=\"3633\" data-end=\"3646\">&lt;0,1 dB\/cm<\/td>\n<td data-col-size=\"sm\" data-start=\"3646\" data-end=\"3663\">Extr\u00eamement faible<\/td>\n<\/tr>\n<tr data-start=\"3664\" data-end=\"3732\">\n<td data-start=\"3664\" data-end=\"3683\" data-col-size=\"sm\">Indice de r\u00e9fraction<\/td>\n<td data-col-size=\"sm\" data-start=\"3683\" data-end=\"3694\">~2.1-2.2<\/td>\n<td data-col-size=\"sm\" data-start=\"3694\" data-end=\"3701\">~2.1<\/td>\n<td data-col-size=\"sm\" data-start=\"3701\" data-end=\"3732\">Capacit\u00e9 de confinement \u00e9lev\u00e9e<\/td>\n<\/tr>\n<tr data-start=\"3733\" data-end=\"3803\">\n<td data-start=\"3733\" data-end=\"3753\" data-col-size=\"sm\">Temp\u00e9rature de Curie<\/td>\n<td data-col-size=\"sm\" data-start=\"3753\" data-end=\"3763\">~1140\u00b0C<\/td>\n<td data-col-size=\"sm\" data-start=\"3763\" data-end=\"3772\">~600\u00b0C<\/td>\n<td data-col-size=\"sm\" data-start=\"3772\" data-end=\"3803\">R\u00e9f\u00e9rence de la propri\u00e9t\u00e9 du mat\u00e9riau<\/td>\n<\/tr>\n<tr data-start=\"3804\" data-end=\"3884\">\n<td data-start=\"3804\" data-end=\"3831\" data-col-size=\"sm\">Seuil de dommage optique<\/td>\n<td data-col-size=\"sm\" data-start=\"3831\" data-end=\"3842\">Mod\u00e9r\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"3842\" data-end=\"3854\">Tr\u00e8s \u00e9lev\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"3854\" data-end=\"3884\">TFLT meilleur pour la haute puissance<\/td>\n<\/tr>\n<tr data-start=\"3885\" data-end=\"3951\">\n<td data-start=\"3885\" data-end=\"3896\" data-col-size=\"sm\">D\u00e9rive en courant continu<\/td>\n<td data-col-size=\"sm\" data-start=\"3896\" data-end=\"3909\">Remarquable<\/td>\n<td data-col-size=\"sm\" data-start=\"3909\" data-end=\"3920\">Tr\u00e8s faible<\/td>\n<td data-col-size=\"sm\" data-start=\"3920\" data-end=\"3951\">La TFLT a une stabilit\u00e9 sup\u00e9rieure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3953\" data-end=\"3956\" \/>\n<h2 data-section-id=\"1cwrebf\" data-start=\"2266\" data-end=\"2291\"><\/h2>\n<h2 data-section-id=\"ruuu6i\" data-start=\"3958\" data-end=\"3975\">Principaux avantages<\/h2>\n<h2 data-section-id=\"1cwrebf\" data-start=\"2266\" data-end=\"2291\"><\/h2>\n<h3 data-section-id=\"j49bdc\" data-start=\"3977\" data-end=\"4015\">Capacit\u00e9 de modulation \u00e0 grande vitesse<\/h3>\n<p data-start=\"4016\" data-end=\"4130\">Prise en charge de la modulation optique \u00e0 tr\u00e8s grande largeur de bande au-del\u00e0 de 100 GHz, permettant des taux de transmission de donn\u00e9es de la prochaine g\u00e9n\u00e9ration.<\/p>\n<h3 data-section-id=\"dgus88\" data-start=\"4132\" data-end=\"4159\">Faible consommation d'\u00e9nergie<\/h3>\n<p data-start=\"4160\" data-end=\"4252\">La tension demi-onde r\u00e9duite permet de diminuer la puissance d'entra\u00eenement par rapport aux modulateurs \u00e0 base de silicium.<\/p>\n<h3 data-section-id=\"wt3f9j\" data-start=\"4254\" data-end=\"4288\">Performance optique sup\u00e9rieure<\/h3>\n<p data-start=\"4289\" data-end=\"4386\">Une faible perte de propagation et un indice de r\u00e9fraction \u00e9lev\u00e9 permettent une int\u00e9gration photonique compacte et efficace.<\/p>\n<h3 data-section-id=\"aegbyy\" data-start=\"4388\" data-end=\"4437\">Stabilit\u00e9 thermique et de polarisation (avantage TFLT)<\/h3>\n<p data-start=\"4438\" data-end=\"4555\">La TFLT offre une meilleure r\u00e9sistance aux variations thermiques et une d\u00e9rive minimale du courant continu, ce qui est essentiel pour la stabilit\u00e9 \u00e0 long terme du syst\u00e8me.<\/p>\n<h3 data-section-id=\"e1gwup\" data-start=\"4557\" data-end=\"4585\">Fabrication \u00e9volutive<\/h3>\n<p data-start=\"4586\" data-end=\"4697\">L'int\u00e9gration par collage pr\u00e9serve la compatibilit\u00e9 des processus photoniques au silicium, ce qui permet une production \u00e0 l'\u00e9chelle de la plaquette.<\/p>\n<hr data-start=\"4699\" data-end=\"4702\" \/>\n<h2 data-section-id=\"7uao4i\" data-start=\"4704\" data-end=\"4728\">Sc\u00e9narios d'application<\/h2>\n<ul data-start=\"4730\" data-end=\"4984\">\n<li data-section-id=\"20y305\" data-start=\"4730\" data-end=\"4787\">Interconnexion optique des centres de donn\u00e9es (400G \/ 800G \/ 1.6T)<\/li>\n<li data-section-id=\"12zi2v2\" data-start=\"4788\" data-end=\"4830\">Syst\u00e8mes de communication optique coh\u00e9rente<\/li>\n<li data-section-id=\"6o8j3b\" data-start=\"4831\" data-end=\"4872\">Photonique hyperfr\u00e9quence et RF sur fibre<\/li>\n<li data-section-id=\"1odazq7\" data-start=\"4873\" data-end=\"4912\">Circuits photoniques int\u00e9gr\u00e9s (PIC)<\/li>\n<li data-section-id=\"gy0vt5\" data-start=\"4913\" data-end=\"4952\">Syst\u00e8mes de modulation laser \u00e0 haute puissance<\/li>\n<li data-section-id=\"18g31p2\" data-start=\"4953\" data-end=\"4984\">LiDAR et plates-formes de d\u00e9tection<\/li>\n<\/ul>\n<hr data-start=\"4986\" data-end=\"4989\" \/>\n<h2 data-section-id=\"1azt8ib\" data-start=\"4991\" data-end=\"5012\">Guide de s\u00e9lection<\/h2>\n<h2 style=\"font-style: normal;\" data-section-id=\"1cwrebf\" data-start=\"2266\" data-end=\"2291\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2739 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/04\/TFLN-TFLT-on-SiPh-2.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p data-start=\"5014\" data-end=\"5031\">Choisissez TFLN quand :<\/p>\n<ul data-start=\"5032\" data-end=\"5210\">\n<li data-section-id=\"17n37ge\" data-start=\"5032\" data-end=\"5076\">Une largeur de bande de modulation maximale est requise<\/li>\n<li data-section-id=\"92vmqg\" data-start=\"5077\" data-end=\"5128\">Un \u00e9cosyst\u00e8me et une cha\u00eene d'approvisionnement matures sont pr\u00e9f\u00e9rables<\/li>\n<li data-section-id=\"53dxbs\" data-start=\"5129\" data-end=\"5210\">Les applications vis\u00e9es comprennent l'optique coh\u00e9rente et la transmission \u00e0 tr\u00e8s grande vitesse.<\/li>\n<\/ul>\n<p data-start=\"5212\" data-end=\"5229\">Choisissez TFLT quand :<\/p>\n<ul data-start=\"5230\" data-end=\"5386\">\n<li data-section-id=\"6xerz0\" data-start=\"5230\" data-end=\"5278\">La stabilit\u00e9 de la polarisation et la faible d\u00e9rive en courant continu sont essentielles.<\/li>\n<li data-section-id=\"1l9fcfd\" data-start=\"5279\" data-end=\"5322\">Une puissance optique \u00e9lev\u00e9e est requise<\/li>\n<li data-section-id=\"h5ho7p\" data-start=\"5323\" data-end=\"5386\">La fiabilit\u00e9 \u00e0 long terme et la robustesse thermique sont des priorit\u00e9s<\/li>\n<\/ul>\n<hr data-start=\"5388\" data-end=\"5391\" \/>\n<h2 data-section-id=\"1hryhf7\" data-start=\"5393\" data-end=\"5399\">FAQ<\/h2>\n<h3 data-section-id=\"1cvvz1p\" data-start=\"5401\" data-end=\"5485\">1. Quel est le principal avantage des TFLN\/TFLT sur SiPh par rapport aux modulateurs en silicium ?<\/h3>\n<p data-start=\"5487\" data-end=\"5651\">Le principal avantage est la pr\u00e9sence d'un puissant effet \u00e9lectro-optique, qui permet d'augmenter la largeur de bande, de r\u00e9duire les pertes et de diminuer la consommation d'\u00e9nergie par rapport aux modulateurs au silicium.<\/p>\n<hr data-start=\"5653\" data-end=\"5656\" \/>\n<h3 data-section-id=\"1s56jgv\" data-start=\"5658\" data-end=\"5721\">2. Comment fonctionne le couplage par \u00e9vanescence dans l'int\u00e9gration hybride ?<\/h3>\n<p data-start=\"5723\" data-end=\"5925\">La lumi\u00e8re se propage dans le guide d'ondes en silicium et s'\u00e9tend partiellement dans la couche mince LN ou LT. Ce champ optique qui se chevauche permet une modulation efficace sans transfert complet du mode optique.<\/p>\n<hr data-start=\"5927\" data-end=\"5930\" \/>\n<h3 data-section-id=\"ozz7b9\" data-start=\"5932\" data-end=\"5995\">3. Cette plate-forme est-elle adapt\u00e9e \u00e0 la fabrication \u00e0 grande \u00e9chelle ?<\/h3>\n<p data-start=\"5997\" data-end=\"6169\">Oui, l'int\u00e9gration h\u00e9t\u00e9rog\u00e8ne bas\u00e9e sur le collage est compatible avec les processus de fabrication photonique au silicium standard, ce qui permet une production en grande quantit\u00e9 et rentable.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les TFLN (Thin-Film Lithium Niobate) et TFLT (Thin-Film Lithium Tantalate) sur silicium photonique (SiPh) repr\u00e9sentent une plateforme d'int\u00e9gration h\u00e9t\u00e9rog\u00e8ne avanc\u00e9e d\u00e9velopp\u00e9e pour surmonter les limitations physiques intrins\u00e8ques du silicium dans les syst\u00e8mes photoniques.<\/p>","protected":false},"featured_media":2738,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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