{"id":116881,"date":"2019-06-28T17:56:45","date_gmt":"2019-06-28T08:56:45","guid":{"rendered":"http:\/\/175.125.95.178\/ai-in-device\/16881\/"},"modified":"2026-04-13T03:49:46","modified_gmt":"2026-04-12T18:49:46","slug":"16881","status":"publish","type":"ai-in-device","link":"http:\/\/ee.presscat.kr\/en\/ai-in-device\/16881\/","title":{"rendered":"Professor Sangh-Hyeon Kim, Monolithic integration of GaAs\/\/InGaAs photodetectors for multicolor detection"},"content":{"rendered":"<p>&nbsp;Professor&nbsp;Sang-Hyeon Kim\u2019s paper on the multi-color photodetector which can be used as a compact photonic sensor for AI chip was presented in VLSI symposia 2019*.<\/p>\n<p>*VLSI symposia is the one of flagship conference in VLSI society.<\/p>\n<p><strong>Title:<\/strong> Monolithic integration of GaAs\/\/InGaAs photodetectors for multicolor detection<\/p>\n<p>Multicolor photodetectors (PDs) by using bulk p-i-n based visible GaAs and near-infrared (IR) InGaAs PD was successfully fabricated via monolithic integration by wafer bonding and epitaxial lift-off. It showed high-performance individual operation comparable to that of bulk PDs with tight vertical alignment on a single substrate for future high-resolution multicolor PDs. At the same time, it covered a broad wavelength range from visible to IR.<\/p>\n<p><div class=\"\"><img decoding=\"async\" class=\"\" src=\"\/wp-content\/uploads\/drupal\/7.png\" alt=\"\" title=\"\"><\/div>\n<\/p>\n<p><strong>Figure 1. Multi-Color Photodetector<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>865<\/p>\n","protected":false},"featured_media":126793,"template":"","class_list":["post-116881","ai-in-device","type-ai-in-device","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/ai-in-device\/116881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/ai-in-device"}],"about":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/types\/ai-in-device"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/media\/126793"}],"wp:attachment":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/media?parent=116881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}