{"id":9124,"date":"2021-12-06T09:47:01","date_gmt":"2021-12-06T17:47:01","guid":{"rendered":"https:\/\/blogschapman.wpenginepowered.com\/scst\/2021\/12\/06\/dr-jordans-theory-of-weak-value-amplification-plays-key-role-in-boosting-precision-optics\/"},"modified":"2021-12-06T09:47:01","modified_gmt":"2021-12-06T17:47:01","slug":"dr-jordans-theory-of-weak-value-amplification-plays-key-role-in-boosting-precision-optics","status":"publish","type":"post","link":"https:\/\/blogs.chapman.edu\/scst\/2021\/12\/06\/dr-jordans-theory-of-weak-value-amplification-plays-key-role-in-boosting-precision-optics\/","title":{"rendered":"Dr. Jordan&#039;s Theory of Weak Value Amplification Plays Key Role in Boosting Precision Optics"},"content":{"rendered":"<p><span style=\"font-weight: 400\"><a href=\"https:\/\/blogs.chapman.edu\/scst\/wp-content\/uploads\/sites\/64\/2021\/12\/Andrew-Jordan_resized.jpeg\" rel=\"attachment wp-att-9125\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9125 alignright\" src=\"https:\/\/blogs.chapman.edu\/scst\/wp-content\/uploads\/sites\/64\/2021\/12\/Andrew-Jordan_resized.jpeg\" alt=\"andrew jordan\" width=\"150\" height=\"225\" \/><\/a>Co-director of the <a href=\"https:\/\/www.chapman.edu\/research\/institutes-and-centers\/quantum-studies\/index.aspx\">Institute for Quantum Studies<\/a> <a href=\"https:\/\/www.chapman.edu\/our-faculty\/andrew-jordan\">Dr. Andrew Jordan\u2019s<\/a> theory of weak value amplification with waveguides inspired a breakthrough in the development of a device that is a more sensitive, robust and compact platform for measuring optical<\/span> <span style=\"font-weight: 400\">phase. In partnership with researchers from the Institute of Optics at the University of Rochester, the device was engineered to include a waveguide to propagate the wavefront of an optical field through a 1 mm by 1 mm integrated photonic chip. This new development outlined in <\/span><i><span style=\"font-weight: 400\">Nature Communications<\/span><\/i><span style=\"font-weight: 400\"> will play a key role in precision metrology such as<\/span> <span style=\"font-weight: 400\">frequency measurements, gyroscopes and environmental sensing, and can be adapted to the quantum domain.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">They implemented a generalized form of Jordan\u2019s theory of weak value amplification on a compact on-chip silicon nitride photonic platform with a multi-mode interferometer. Doing so, they were able to engineer an on-chip phase front tilt with tapered waveguides and multimode interference structures in order to achieve post-selection.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Their device showed 7dB of signal enhancement over a standard Mach-Zehnder interferometer.\u00a0<\/span><\/p>\n<p><b><i>\u201cThis invention brings the advantages of weak value amplification to integrated optics.\u00a0 The robust platform of the monolithic chip both miniaturizes the sensor and allows it to be used in everyday applications,\u201d shared Jordan.\u00a0<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400\">This discovery opens applications of weak value amplification to other fields in integrated photonics, such as coherent communications and quantum applications, where phase measurements are crucial. Moving forward the researchers will work to adapt the device using squeezed or entangled photons to enable devices such as quantum gyroscopes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">This work was supported by <\/span><a href=\"https:\/\/www.leonardodrs.com\/\"><span style=\"font-weight: 400\">Leonardo DRS<\/span><\/a><span style=\"font-weight: 400\"> and A. N. Jordan Scientific, LLC.\u00a0<\/span><\/p>\n<p><em>Cover photo: (To the left) Magenta lines indicate the waveguide design directing the light through the chip. Purple lines represent in a different layer, heaters can control the optical phase via a thermo-optical control of the index of refraction. (To the right) Experimental layout. Laser light is fiber-coupled into the chip.<\/em><\/p>\n<p><span style=\"font-weight: 400\">______________________________________________________________<\/span><\/p>\n<p><b>JOURNAL<\/b><\/p>\n<p><span style=\"font-weight: 400\">Nature Communications<\/span><\/p>\n<p><b>DOI<\/b><\/p>\n<p><span style=\"font-weight: 400\">10.1038\/s41467-021-26522-2<\/span><\/p>\n<p><b>METHOD OF RESEARCH<\/b><\/p>\n<p><span style=\"font-weight: 400\">Theory and experiment<\/span><\/p>\n<p><b>SUBJECT OF RESEARCH<\/b><\/p>\n<p><span style=\"font-weight: 400\">Integrated optical interferometers, and precision measurements of optical frequency using weak-value inspired techniques<\/span><\/p>\n<p><b>ARTICLE TITLE<\/b><\/p>\n<p><span style=\"font-weight: 400\">\u201cEnhanced on-chip phase measurement by inverse weak value amplification\u201d\u00a0<\/span><\/p>\n<p><b>ARTICLE PUBLICATION DATE<\/b><\/p>\n<p><span style=\"font-weight: 400\">29-Oct-2021<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Co-director of the Institute for Quantum Studies Dr. Andrew Jordan\u2019s theory of weak value amplification with waveguides inspired a breakthrough [&hellip;]<\/p>\n","protected":false},"author":1225,"featured_media":9126,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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