{"id":7128,"date":"2024-06-28T16:46:34","date_gmt":"2024-06-28T16:46:34","guid":{"rendered":"https:\/\/www.polariton.ch\/polarisandbox\/?page_id=7128"},"modified":"2025-10-29T10:54:46","modified_gmt":"2025-10-29T10:54:46","slug":"rrm-c145","status":"publish","type":"page","link":"https:\/\/www.polariton.ch\/polarisandbox\/?page_id=7128","title":{"rendered":"RRM-C145"},"content":{"rendered":"<h1>O\/C Band 145 GHz Ring Resonator Modulator<\/h1>\n<h2>RRM-C145<\/h2>\n<div>The RRM-C145 from Polariton Technologies is a compact, chip-scale ring resonator modulator that delivers ultra-fast electro-optic modulation. Designed for operation in the O and C bands, it exceeds 145&nbsp;GHz bandwidth and fits easily into small-footprint systems. As a result, it\u2019s ideal for cutting-edge applications like radio-over-fiber, optical transport, and high-speed testing setups.<\/div>\n<h3>Key Features<\/h3>\n<ul>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>\n<p>3-dB electro-optic bandwidth &gt;145 GHz<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>Lumped, low-capacitance RF design<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>\n<p>Chip dimensions 1.5&nbsp;mm x 2&nbsp;mm<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>\n<p>O\/C band operation<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>\n<p>Possible electrical drive: Single, differential, or dual<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/06\/Logo-lines.png\" alt=\"Logo-lines\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 40px; --smush-placeholder-aspect-ratio: 40\/41;\"><\/p>\n<div>Available as single, <a href=\"https:\/\/www.polariton.ch\/polarisandbox\/?page_id=9868\">4-channel or 8-channel device<\/a><\/div>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2024\/11\/RRM-C110-Image.png\" alt=\"RRM-C110-Image\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/1080;\"><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2023\/04\/Ring-Resonator-Modulator-Chip.png\" alt=\"Ring Resonator Modulator Chip\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1080px; --smush-placeholder-aspect-ratio: 1080\/1080;\"><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" data-src=\"\/polarisandbox\/wp-content\/uploads\/2025\/05\/polariton_rrm_response_1-channel.svg\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\"><\/p>\n<\/li>\n<\/ul>\n<h2>Description<\/h2>\n<div>\n<p>The <strong>RRM-C145 Ring Resonator Modulator<\/strong> uses a resonant structure to generate intensity modulation with excellent performance. It achieves stable operation beyond 145 GHz\u2014and tests have shown functionality up to 170 GHz. This makes it a solid choice for engineers building next-generation optical systems.<\/p>\n<p>Importantly, the RRM-C145 doesn\u2019t require a bias voltage source. Instead, users can simply tune the laser wavelength to adjust the operating point. This approach simplifies integration and saves valuable board space.<\/p>\n<p>You can order the RRM-C145 as a bare chip or in a semi-packaged format. In both cases, Polariton ensures mechanical compatibility and thermal stability.<\/p>\n<\/div>\n<h1>Related Papers<\/h1>\n<div>\n<\/div>\n<h2>Variants &amp; Specifications<\/h2>\n<p><p>\n        <a href=\"https:\/\/www.polariton.ch\/polarisandbox\/Datasheets\/RRM-C145.pdf\">Product Specification<\/a>\n    <\/p>\n<\/p>\n<div>\n<p>Polariton is offering this device in various variants, being single, quad and octo channel, ideal for a wide range of optical interconnect solutions.<\/p>\n<\/div>\n<div>\n\n<table id=\"tablepress-4\" class=\"tablepress tablepress-id-4\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><strong>EO bandwidth<\/strong><\/td><td class=\"column-2\"><strong>Optical band<\/strong><\/td><td class=\"column-3\"><strong>RR variant<\/strong><\/td><td class=\"column-4\"><strong>Ordering code<\/strong><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">145 GHz<\/td><td class=\"column-2\">O band<\/td><td class=\"column-3\">single-ended, differential, dual<\/td><td class=\"column-4\">RRM-C145-o<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">145 GHz<\/td><td class=\"column-2\">C band<\/td><td class=\"column-3\">single-ended, differential, dual<\/td><td class=\"column-4\">RRM-C145-c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-4 from cache --><\/div>\n<div>\n<p>(1) A probable 4-channel version with GSG probes for GS operation is available on demand.<\/p>\n<\/div>\n<h2>Performance Specifications<\/h2>\n<div>\n\n<table id=\"tablepress-18\" class=\"tablepress tablepress-id-18\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\"><strong>O band<\/strong><\/td><td class=\"column-3\"><strong>C band<\/strong><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Peak wavelength<\/td><td class=\"column-2\">1310&nbsp;nm<\/td><td class=\"column-3\">1550&nbsp;nm<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Insertion loss (IL)<\/td><td class=\"column-2\"><10&nbsp;dB<\/td><td class=\"column-3\"><8&nbsp;dB<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Static extinction ratio (ER)<\/td><td class=\"column-2\">>8&nbsp;dB<\/td><td class=\"column-3\">>8&nbsp;dB<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">DC bias on\/off voltage<\/td><td class=\"column-2\"><1.5&nbsp;V<\/td><td class=\"column-3\"><1.5&nbsp;V<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">3-dB&nbsp;EO bandwidth<\/td><td class=\"column-2\">>145&nbsp;GHz<\/td><td class=\"column-3\">>145&nbsp;GHz<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">V<sub>drive<\/sub> @ 100&nbsp;kHz, @&nbsp;50&nbsp;Ohm*<\/td><td class=\"column-2\"><2&nbsp;V<\/td><td class=\"column-3\"><2&nbsp;V<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Free Spectral Range<\/td><td class=\"column-2\">~4.7&nbsp;nm<\/td><td class=\"column-3\">~4.7&nbsp;nm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-18 from cache --><\/div>\n<h2>Maximum Ratings<\/h2>\n<div>\n\n<table id=\"tablepress-19\" class=\"tablepress tablepress-id-19\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\"><strong>O band<\/strong><\/td><td class=\"column-3\"><strong>C band<\/strong><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Optical input power**<\/td><td class=\"column-2\"><a href=\"https:\/\/www.polariton.ch\/polarisandbox\/?page_id=1069\">Contact Polariton<\/a><\/td><td class=\"column-3\">7&nbsp;dBm<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">RF input power @ 50 Ohm<\/td><td class=\"column-2\">18&nbsp;dBm<\/td><td class=\"column-3\">18&nbsp;dBm<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">DC voltage at RF input<\/td><td class=\"column-2\">0&nbsp;V<\/td><td class=\"column-3\">0&nbsp;V<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">DC bias voltage<br \/>\nDC bias current<\/td><td class=\"column-2\">2.5V<br \/>\n15&nbsp;mA<\/td><td class=\"column-3\">2.5V<br \/>\n15&nbsp;mA<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Operating \/ storage temperature<\/td><td class=\"column-2\">~25 \u00b0C<\/td><td class=\"column-3\">~25\u00b0C - 50 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-19 from cache --><\/div>\n<div>\n<p>* Plasmonic modulators are high-impedance devices. Twice the voltage provided by a 50-Ohm signal source will drop across the plasmonic modulator.<br \/>Using a DC source or a high-impedance-matched driver, double the voltage is required to switch the modulator from the on to the off state.<\/p>\n<p>** Based on reliability data for 500 h at 50\u00b0C and 9 dBm input power with a V\u043f degradation &lt; 10%.<\/p>\n<\/div>\n<h2>Mechanical and Optical Specifications<\/h2>\n<div>\n\n<table id=\"tablepress-20\" class=\"tablepress tablepress-id-20\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\"><strong>O band<\/strong><\/td><td class=\"column-3\"><strong>C band<\/strong><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Optical input and output<\/td><td class=\"column-2\">Grating coupler (GC), 127&nbsp;um pitch<\/td><td class=\"column-3\">Grating coupler (GC), 127&nbsp;um pitch<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Center wavelength at GC angle<\/td><td class=\"column-2\">1310&nbsp;nm at 8\u00b0<\/td><td class=\"column-3\">1550&nbsp;nm at 8\u00b0<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Optical source needed<\/td><td class=\"column-2\">Tunable laser source,1310&nbsp;nm \u00b110 nm range<\/td><td class=\"column-3\">Tunable laser source,1550&nbsp;nm \u00b110 nm range<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Electrical RF interface<\/td><td class=\"column-2\">G-S, S-G, S-S\u0304, S\u0304-S, or S<sub>1<\/sub>-S<sub>2<\/sub>, 30 \u2013170&nbsp;\u03bcm pitch<\/td><td class=\"column-3\">G-S, S-G, S-S\u0304, S\u0304-S, or S<sub>1<\/sub>-S<sub>2<\/sub>, 30 \u2013170&nbsp;\u03bcm pitch<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Electrical DC interface<\/td><td class=\"column-2\">+\/-, 75 \u2013 245&nbsp;\u03bcm pitch<\/td><td class=\"column-3\">+\/-, 75 \u2013 245&nbsp;\u03bcm pitch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-20 from cache --><\/div>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\",\"width_expand\":\"left\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"O\\\/C Band 145 GHz Ring Resonator Modulator\",\"title_element\":\"h1\",\"title_style\":\"h1\"}}]}]}],\"name\":\"title\"},{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"none\",\"padding_remove_top\":false,\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"expand\"},\"children\":[{\"type\":\"row\",\"props\":{\"column_gap\":\"large\",\"layout\":\"1-2,1-2\",\"margin\":\"default\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"RRM-C145\",\"margin\":\"remove-vertical\",\"margin_remove_bottom\":false,\"margin_remove_top\":false,\"maxwidth\":\"xlarge\",\"title_element\":\"h2\",\"title_style\":\"h2\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"The RRM-C145 from Polariton Technologies is a compact, chip-scale ring resonator modulator that delivers ultra-fast electro-optic modulation. Designed for operation in the O and C bands, it exceeds 145&nbsp;GHz bandwidth and fits easily into small-footprint systems. As a result, it\\u2019s ideal for cutting-edge applications like radio-over-fiber, optical transport, and high-speed testing setups.\",\"margin\":\"medium\",\"margin_remove_top\":false}},{\"type\":\"headline\",\"props\":{\"content\":\"Key Features\",\"title_element\":\"h3\",\"title_style\":\"h3\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"image_align\":\"left\",\"image_svg_color\":\"primary\",\"image_svg_inline\":true,\"image_vertical_align\":true,\"image_width\":\"32\",\"list_element\":\"ul\",\"list_horizontal_separator\":\", \",\"list_type\":\"vertical\",\"margin\":\"medium\",\"show_image\":true,\"show_link\":true},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>3-dB electro-optic bandwidth &gt;145 GHz<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Lumped, low-capacitance RF design\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Chip dimensions 1.5&nbsp;mm x 2&nbsp;mm<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>O\\\/C band operation<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Possible electrical drive: Single, differential, or dual<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"Available as single, <a href=\\\"https:\\\/\\\/www.polariton.ch\\\/polarisandbox\\\/?page_id=9868\\\">4-channel or 8-channel device<\\\/a>\",\"image\":\"wp-content\\\/uploads\\\/2023\\\/06\\\/Logo-lines.png\",\"image_alt\":\"Logo-lines\"}}]}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"slideshow\",\"props\":{\"image_loading\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"maxwidth\":\"large\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"thumbnav\",\"nav_align\":\"left\",\"nav_below\":true,\"nav_breakpoint\":\"\",\"nav_margin\":\"small\",\"nav_position\":\"bottom-center\",\"nav_position_margin\":\"medium\",\"overlay_animation\":\"parallax\",\"overlay_position\":\"center-left\",\"show_content\":true,\"show_link\":true,\"show_meta\":true,\"show_thumbnail\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_hover\":true,\"slidenav_large\":true,\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slideshow_autoplay_pause\":true,\"slideshow_max_height\":\"850\",\"slideshow_min_height\":\"300\",\"slideshow_ratio\":\"1:1\",\"thumbnav_height\":\"70\",\"thumbnav_nowrap\":false,\"thumbnav_svg_color\":\"emphasis\",\"thumbnav_width\":\"70\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"slideshow_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2024\\\/11\\\/RRM-C110-Image.png\",\"image_alt\":\"RRM-C110-Image\"}},{\"type\":\"slideshow_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2023\\\/04\\\/Ring-Resonator-Modulator-Chip.png\",\"image_alt\":\"Ring Resonator Modulator Chip\"}},{\"type\":\"slideshow_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/05\\\/polariton_rrm_response_1-channel.svg\"}}]}]}]}],\"name\":\"Key Features\"},{\"type\":\"section\",\"props\":{\"animation\":\"fade\",\"animation_delay\":\"200\",\"image_effect\":\"parallax\",\"image_parallax_bgx\":\"190,0\",\"image_parallax_easing\":\"1\",\"image_position\":\"bottom-right\",\"image_width\":\"500\",\"media_overlay_gradient\":\"linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.2) 15%, rgba(255,255,255,0) 100%);\",\"media_visibility\":\"l\",\"padding_remove_top\":false,\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"expand\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Description\",\"maxwidth\":\"2xlarge\",\"title_element\":\"h2\",\"title_style\":\"h2\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>The <strong>RRM-C145 Ring Resonator Modulator<\\\/strong> uses a resonant structure to generate intensity modulation with excellent performance. It achieves stable operation beyond 145 GHz\\u2014and tests have shown functionality up to 170 GHz. This makes it a solid choice for engineers building next-generation optical systems.<\\\/p>\\n\n\n<p>Importantly, the RRM-C145 doesn\\u2019t require a bias voltage source. Instead, users can simply tune the laser wavelength to adjust the operating point. This approach simplifies integration and saves valuable board space.<\\\/p>\\n\n\n<p>You can order the RRM-C145 as a bare chip or in a semi-packaged format. 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Designed for operation in the O and C bands, it exceeds 145&nbsp;GHz bandwidth and fits easily into small-footprint systems. As a result, it\u2019s ideal for cutting-edge applications like radio-over-fiber, optical [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4279,"parent":6946,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[189],"tags":[190],"class_list":["post-7128","page","type-page","status-publish","has-post-thumbnail","hentry","category-product","tag-communications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RRM-C145 - Ring Resonator Modulator Polariton<\/title>\n<meta name=\"description\" content=\"Our Ring Resonator Modulator leaves is the fastest modulator in the world, specified at 145 GHz bandwidth, proven above 500 GHz.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polariton\" \/>\n<meta property=\"og:description\" content=\"Our Ring Resonator Modulator leaves is the fastest modulator in the world, specified at 145 GHz bandwidth, proven above 500 GHz.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.polariton.ch\/polarisandbox\/?page_id=7128\" \/>\n<meta property=\"og:site_name\" content=\"Polariton\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-29T10:54:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.polariton.ch\/polarisandbox\/wp-content\/uploads\/2025\/05\/MZM-C145.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/www.polariton.ch\\\/polarisandbox\\\/?page_id=7128\",\"url\":\"https:\\\/\\\/www.polariton.ch\\\/polarisandbox\\\/?page_id=7128\",\"name\":\"RRM-C145 - 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