{"id":81824,"date":"2026-02-11T10:29:56","date_gmt":"2026-02-11T09:29:56","guid":{"rendered":"https:\/\/www.eqphotonics.de\/produkt\/denselight-dl-dfb31020d-dfb-laser-chip\/"},"modified":"2026-02-11T10:30:51","modified_gmt":"2026-02-11T09:30:51","slug":"denselight-dl-dfb31020d-dfb-laser-chip","status":"publish","type":"product","link":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/","title":{"rendered":"Denselight DL-DFB31020D DFB laser chip"},"content":{"rendered":"<h1 class=\"h2 product_title entry-title\">Free-space laser diode from Denselight<br \/>\n<strong>DL-DFB31020D<\/strong><\/h1>\n<p>Denselight has its own wafer fab with several MOVPE systems. The Telcordia certified laser chips are produced in large quantities mainly for the telecom datakom sector. They are available in various power levels for server-to-server, rack-to-rack and data center-to-metro. Customer-specific solutions expand the range.<\/p>\n<div class=\"row ml-0 mr-0 mt-3 bulletdiv\">\n<div class=\"col-md-6 pl-0 mb-3\">\n<h3>Markets<\/h3>\n<div class=\"bullets\">Datacom<br \/>Telecom<\/div>\n<\/div>\n<div class=\"col-md-6 pl-0 mb-3\">\n<h3>Applications<\/h3>\n<div class=\"bullets\">Data center<br \/>5G Wireless<br \/>Si-Photonics<br \/>OTDR<br \/>PSM-4<br \/>CWDM<br \/>FTTx<\/div>\n<\/div>\n<div class=\"col-md-6 pl-0 mb-3\">\n<h3>Features<\/h3>\n<div class=\"bullets\">Uncooled 1310nm DFB laser chip<br \/>20mW cw output power<br \/>Operation temperature -5 \u2026 75\u00b0C<br \/>SMSR > 35dB<\/div>\n<\/div>\n<div class=\"col-md-6 pl-0 mb-3\">\n<h3>Benefits<\/h3>\n<div class=\"bullets\">Low-cost device<br \/>Long lifetime<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>EQ Photonics supplies free-space laserdiodes with wavelength from 375 nm to 3270 nm of the manufacturers  Aurea Technology, Denselight Semiconductors, Norcada and Wavespectrum Photonics. The output power reaches from 0,5 mW to 15 W.Die laserdiodes are offered as chip, chip on submount, in TO package, as module or as complete Systems with driver and temperature control.<\/p>\n","protected":false},"featured_media":5994,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[26262,26260],"product_tag":[],"class_list":{"0":"post-81824","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-free-space-laser-diode-laser-diodes-and-quantum-cascade-lasers","7":"product_cat-laser-diodes-and-quantum-cascade-lasers","8":"pa_manufacturer-denselight","9":"pa_output-power-20-mw","10":"pa_part-number-dl-dfb31020d","11":"pa_product-free-space-laser-diode","12":"pa_pulse-width-ns-cw","13":"pa_smsr-db-12268","14":"pa_technology-dfb","15":"pa_type-2-chip","16":"pa_wave-number-cm-1-24891","17":"pa_wavelength-nm-24890","19":"first","20":"instock","21":"sold-individually","22":"purchasable","23":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Denselight DL-DFB31020D DFB-Laser<\/title>\n<meta name=\"description\" content=\"Uncooled 1310nm DFB Laser Chip|20mW cw output power\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/\",\"url\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/\",\"name\":\"Denselight DL-DFB31020D DFB-Laser\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.eqphotonics.de\\\/wp-content\\\/uploads\\\/Denselight_DFB-Chip.png\",\"datePublished\":\"2026-02-11T09:29:56+00:00\",\"dateModified\":\"2026-02-11T09:30:51+00:00\",\"description\":\"Uncooled 1310nm DFB Laser Chip|20mW cw output power\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.eqphotonics.de\\\/wp-content\\\/uploads\\\/Denselight_DFB-Chip.png\",\"contentUrl\":\"https:\\\/\\\/www.eqphotonics.de\\\/wp-content\\\/uploads\\\/Denselight_DFB-Chip.png\",\"width\":456,\"height\":310,\"caption\":\"Uncooled 1310nm DFB Laser Chip|70mW cw output power\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/product\\\/denselight-dl-dfb31020d-dfb-laser-chip\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/products\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Denselight DL-DFB31020D DFB laser chip\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/\",\"name\":\"EQ Photonics - Laser + Optoelektronik\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#organization\",\"name\":\"EQ Photonics GmbH\",\"url\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.eqphotonics.de\\\/wp-content\\\/uploads\\\/eqp_logo.png\",\"contentUrl\":\"https:\\\/\\\/www.eqphotonics.de\\\/wp-content\\\/uploads\\\/eqp_logo.png\",\"width\":94,\"height\":98,\"caption\":\"EQ Photonics GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/www.eqphotonics.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Denselight DL-DFB31020D DFB-Laser","description":"Uncooled 1310nm DFB Laser Chip|20mW cw output power","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/","url":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/","name":"Denselight DL-DFB31020D DFB-Laser","isPartOf":{"@id":"https:\/\/www.eqphotonics.de\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/#primaryimage"},"image":{"@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/#primaryimage"},"thumbnailUrl":"https:\/\/www.eqphotonics.de\/wp-content\/uploads\/Denselight_DFB-Chip.png","datePublished":"2026-02-11T09:29:56+00:00","dateModified":"2026-02-11T09:30:51+00:00","description":"Uncooled 1310nm DFB Laser Chip|20mW cw output power","breadcrumb":{"@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/#primaryimage","url":"https:\/\/www.eqphotonics.de\/wp-content\/uploads\/Denselight_DFB-Chip.png","contentUrl":"https:\/\/www.eqphotonics.de\/wp-content\/uploads\/Denselight_DFB-Chip.png","width":456,"height":310,"caption":"Uncooled 1310nm DFB Laser Chip|70mW cw output power"},{"@type":"BreadcrumbList","@id":"https:\/\/www.eqphotonics.de\/en\/product\/denselight-dl-dfb31020d-dfb-laser-chip\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/www.eqphotonics.de\/en\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/www.eqphotonics.de\/en\/products\/"},{"@type":"ListItem","position":3,"name":"Denselight DL-DFB31020D DFB laser chip"}]},{"@type":"WebSite","@id":"https:\/\/www.eqphotonics.de\/en\/#website","url":"https:\/\/www.eqphotonics.de\/en\/","name":"EQ Photonics - Laser + Optoelektronik","description":"","publisher":{"@id":"https:\/\/www.eqphotonics.de\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.eqphotonics.de\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.eqphotonics.de\/en\/#organization","name":"EQ Photonics GmbH","url":"https:\/\/www.eqphotonics.de\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.eqphotonics.de\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.eqphotonics.de\/wp-content\/uploads\/eqp_logo.png","contentUrl":"https:\/\/www.eqphotonics.de\/wp-content\/uploads\/eqp_logo.png","width":94,"height":98,"caption":"EQ Photonics GmbH"},"image":{"@id":"https:\/\/www.eqphotonics.de\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/product\/81824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/media\/5994"}],"wp:attachment":[{"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/media?parent=81824"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/product_brand?post=81824"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/product_cat?post=81824"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.eqphotonics.de\/en\/wp-json\/wp\/v2\/product_tag?post=81824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}