{"id":9150,"date":"2024-02-29T12:11:04","date_gmt":"2024-02-29T11:11:04","guid":{"rendered":"https:\/\/www.institut-foton.eu\/?p=9150"},"modified":"2026-07-16T14:26:52","modified_gmt":"2026-07-16T12:26:52","slug":"solution-de-couplage-et-de-connectique","status":"publish","type":"post","link":"https:\/\/www.institut-foton.eu\/en\/solution-de-couplage-et-de-connectique\/","title":{"rendered":"Optical Coupling and Interconnects in Guided Photonics"},"content":{"rendered":"\n<p class=\"back wp-block-paragraph\">\u2b9e <a href=\"https:\/\/www.institut-foton.eu\/dpts\/sp\/\" data-type=\"page\" data-id=\"56\">D\u00e9partement SP<\/a> \u2b9e <a href=\"https:\/\/www.institut-foton.eu\/dpts\/sp\/#Thematiques_de_recherche\" data-type=\"page\" data-id=\"56\">Th\u00e9matiques de recherch<\/a><a href=\"https:\/\/www.institut-foton.eu\/equipes\/dop\/#Thematiques_de_recherche\" data-type=\"page\" data-id=\"56\">e<\/a> \u2b9e <a href=\"https:\/\/www.institut-foton.eu\/optique-guidee-et-capteurs\/\" data-type=\"link\" data-id=\"https:\/\/www.institut-foton.eu\/optique-guidee-et-capteurs\/\">Activit\u00e9 \u00ab\u202fOptique Guid\u00e9e et Capteurs\u202f\u00bb<\/a> \u2b9e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Photonic Systems (SP) team has extensive expertise in the study of optical coupling between photonic devices. To improve coupling efficiency, the team develops fiber-tip microlenses optimized for fiber-to-fiber coupling [1] as well as for coupling between active or passive photonic components and optical fibers [2][3], including applications involving elliptical optical beams [4].<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"444\" height=\"272\" src=\"https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-33.png\" alt=\"\" class=\"wp-image-9151\" srcset=\"https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-33.png 444w, https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-33-300x184.png 300w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\" \/><figcaption class=\"wp-element-caption\"><br>Expanded beam connector relying on a graded index (GIF) fibre section spliced on SMF: SMF-GIF microlens<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list puce1\">\n<li>Mounted in standard connectors<\/li>\n\n\n\n<li>Better tolerance to connection imperfections<\/li>\n\n\n\n<li>Suitable for harsh environment applications<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"252\" height=\"189\" src=\"https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-35.png\" alt=\"\" class=\"wp-image-9153\" style=\"width:449px;height:auto\"\/><figcaption class=\"wp-element-caption\">Gradhyp microlens: based on a graded index section (Grad) and an hyperbolic profile (hyp) to improve coupling with an integrated waveguide.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"472\" height=\"354\" src=\"https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-36.png\" alt=\"\" class=\"wp-image-9154\" style=\"width:450px;height:auto\" srcset=\"https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-36.png 472w, https:\/\/www.institut-foton.eu\/wp-content\/uploads\/2024\/02\/image-36-300x225.png 300w\" sizes=\"auto, (max-width: 472px) 100vw, 472px\" \/><figcaption class=\"wp-element-caption\">Coupling between two Gradhyp microlensed fibres and an integrated waveguide with micro-ring resonators.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Related Expertise and Facilities<\/h2>\n\n\n\n<ul class=\"wp-block-list puce1\">\n<li>Study of Gaussian beam propagation, coupling efficiency, and alignment tolerances for fiber-to-fiber coupling and coupling between lasers or passive waveguides and optical fibers. <\/li>\n\n\n\n<li>Design, modelling, and fabrication of fiber-tip microlenses.<\/li>\n\n\n\n<li>Characterization platform for measuring coupling efficiency and alignment tolerances in fiber-to-fiber and fiber-to-integrated photonic component coupling. <\/li>\n\n\n\n<li>Measurement platform for near-field and far-field mode diameter characterization of optical fibers, fiber-tip microlenses, lasers, and integrated photonic waveguides. <\/li>\n\n\n\n<li>High-resolution OLCR (Optical Low Coherence Reflectometry) platform for the characterization of fiber-optic and integrated photonic components, offering 50 \u00b5m spatial resolution and a dynamic range greater than 100 dB. <\/li>\n\n\n\n<li>Measurement platform for the analysis of propagation modes in weakly multimode optical fibers.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Patents have been filed, leading to successful technology transfer. Fiber-tip microlenses developed by the team are currently commercially available.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Funded Projects<\/h2>\n\n\n\n<ul class=\"wp-block-list puce1\">\n<li>FUI RLDO<\/li>\n\n\n\n<li>DGA RAPID CODEF<\/li>\n\n\n\n<li>SMOGLESS<\/li>\n\n\n\n<li>CIFRE SMOKE Souriau<\/li>\n\n\n\n<li>CIFRE Orange Innovation<\/li>\n\n\n\n<li>Cotutelle avec Alg\u00e9rie, Institut d\u2019Optique et M\u00e9canique de Pr\u00e9cision<strong>, <\/strong>Universit\u00e9 Ferhat Abbas &#8211; S\u00e9tif 1<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Examples of Related Publications and Patents<\/h2>\n\n\n\n<ul class=\"wp-block-list puce1\">\n<li>[1] Monique Thual, Damien Malarde, Beno\u00eet Abherve-Gueguen, Philippe Rochard, Philippe Chanclou. Truncated Gaussian beams through microlenses based on a graded-index section. <em>Optical Engineering<\/em>, 2007, Vol.46 (Issue 1), pp.015402. <a href=\"https:\/\/dx.doi.org\/10.1117\/1.2431798\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e810.1117\/1.2431798\u27e9<\/a>. <a href=\"https:\/\/hal.science\/hal-00259949\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e8hal-00259949\u27e9<\/a><\/li>\n\n\n\n<li>[2] Sy Dat Le, Philippe Rochard, Jean-Baptiste Briand, Lionel Qu\u00e9tel, S\u00e9bastien Claudot, et al.. Coupling Efficiency and Reflectance Analysis of Graded Index Expanded Beam Connectors. <em>Journal of Lightwave Technology<\/em>, 2016, 34 (9), pp.2092-2099. <a href=\"https:\/\/dx.doi.org\/10.1109\/JLT.2016.2525804\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e810.1109\/JLT.2016.2525804\u27e9<\/a>. <a href=\"https:\/\/hal.science\/hal-01300833\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e8hal-01300833\u27e9<\/a><\/li>\n\n\n\n<li>[3] Monique Thual, Philippe Chanclou, O. Gautreau, L. Caledec, C\u00e9line Guignard, et al.. Appropriate micro-lens to improve coupling between laser diodes and singlemode fibres. <em>Electronics Letters<\/em>, 2003, Vol.39 (Issue 21), pp.1504-1506. <a href=\"https:\/\/dx.doi.org\/10.1049\/el:20030986\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e810.1049\/el:20030986\u27e9<\/a>. <a href=\"https:\/\/hal.science\/hal-00145951\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e8hal-00145951\u27e9<\/a><\/li>\n\n\n\n<li>[4] Nadjiba Boulaiche, Philippe Rochard, Assia Guessoum, Nacer-Eddine Demagh, Monique Thual. Hemi-ellipsoidal microlensed fiber based on polishing and polymer technology. <em>Engineering Research Express<\/em>, 2021, 3 (4), pp.045051. <a href=\"https:\/\/dx.doi.org\/10.1088\/2631-8695\/ac3a58\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e810.1088\/2631-8695\/ac3a58\u27e9<\/a>. <a href=\"https:\/\/hal.science\/hal-03498608\" target=\"_blank\" rel=\"noreferrer noopener\">\u27e8hal-03498608\u27e9<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list puce1\">\n<li>Brevet&nbsp;: \u00ab&nbsp;Proc\u00e9d\u00e9 de r\u00e9alisation collective de microlentilles au bout d\u2019un ensemble de fibres optiques du type ruban de fibres\u00bb, M. Thual, P. Chanclou, J. Lostec, brevet n\u00b09907289.&nbsp;\u00ab&nbsp;Method for collective production of microlenses at the tip of an optical fibre assembly such as fibre tape&nbsp;\u00bb, EP1183562. CA2375499 Etendu US6768837.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Couplage optique\u00a0: Li\u00e9 aux th\u00e9matiques Optique Guid\u00e9e et Capteurs, Physique des lasers et applications et Communications optiques <\/p>\n","protected":false},"author":3,"featured_media":9153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[61],"tags":[91,99,111,49],"class_list":["post-9150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activites","tag-capteurs-et-applications","tag-communications","tag-departement-sp","tag-optique-guidee-capteurs"],"translation":{"provider":"WPGlobus","version":"3.0.3","language":"en","enabled_languages":["fr","en"],"languages":{"fr":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/posts\/9150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/comments?post=9150"}],"version-history":[{"count":5,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/posts\/9150\/revisions"}],"predecessor-version":[{"id":12598,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/posts\/9150\/revisions\/12598"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/media\/9153"}],"wp:attachment":[{"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/media?parent=9150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/categories?post=9150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.institut-foton.eu\/en\/wp-json\/wp\/v2\/tags?post=9150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}