{"id":12,"date":"2024-04-19T20:24:52","date_gmt":"2024-04-19T20:24:52","guid":{"rendered":"https:\/\/live-optics-wp.pantheonsite.io\/xzhu\/?page_id=12"},"modified":"2025-03-26T05:54:27","modified_gmt":"2025-03-26T05:54:27","slug":"home","status":"publish","type":"page","link":"https:\/\/wp.optics.arizona.edu\/xzhu\/","title":{"rendered":"Home"},"content":{"rendered":"\r\n<p><strong>Welcome to the Fiber Lasers and Devices Group<\/strong><\/p>\r\n\r\n\r\n\r\n<p>University of Arizona, Wyant College of Optical Sciences.<\/p>\r\n\r\n\r\n\r\n<p>Our group specializes in the end-to-end process of designing, fabricating, and characterizing specialty optical fibers and developing state-of-the-art fiber lasers and devices. From creating custom glass compositions to fiber drawing, device integration, and performance testing, we aim to push the boundaries of fiber laser technology.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-338 size-full\" src=\"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3.png\" alt=\"\" width=\"4284\" height=\"3049\" srcset=\"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3.png 4284w, https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3-300x214.png 300w, https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3-1024x729.png 1024w, https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3-768x547.png 768w, https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3-1536x1093.png 1536w, https:\/\/wp.optics.arizona.edu\/xzhu\/wp-content\/uploads\/sites\/124\/2025\/03\/second-version-modified-DSC_0137-3-2048x1458.png 2048w\" sizes=\"auto, (max-width: 4284px) 100vw, 4284px\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\"><strong>Our expertise spans:<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Advanced optical fiber design and fabrication<\/li>\r\n\r\n\r\n\r\n<li>Micro- and nano-structured optical fibers<\/li>\r\n\r\n\r\n\r\n<li>Single-frequency fiber lasers<\/li>\r\n\r\n\r\n\r\n<li>Direct-transition fiber lasers at unique wavelengths (visible, near-infrared, and mid-infrared)<\/li>\r\n\r\n\r\n\r\n<li>Nonlinear conversion lasers<\/li>\r\n\r\n\r\n\r\n<li>Ultrashort pulse lasers<\/li>\r\n\r\n\r\n\r\n<li>Supercontinuum laser sources<\/li>\r\n\r\n\r\n\r\n<li>Wavelength tunable lasers<\/li>\r\n\r\n\r\n\r\n<li>Fiber Bragg gratings<\/li>\r\n\r\n\r\n\r\n<li>Mid-infrared fiber devices.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\"><strong>Core Areas of Expertise<\/strong><\/p>\r\n\r\n\r\n\r\n<p><strong>Glass Fabrication and Characterization<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Glass Melting<\/strong>: Synthesis of diverse glass types, including silicate, phosphate, germanate, tellurite, bismuth, and chalcogenide glasses.<\/li>\r\n\r\n\r\n\r\n<li><strong>Glass Characterization<\/strong>: Comprehensive analysis of optical, thermal, and mechanical properties, such as absorption, emission, lifetime, refractive index, and durability.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p><strong>Fiber Fabrication and Characterization<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Fiber Design and Modeling<\/strong>: Expertise in using tools like FIMMWAVE, COMSOL, and MATLAB for advanced fiber design and modeling.<\/li>\r\n\r\n\r\n\r\n<li><strong>Fiber Fabrication<\/strong>: Production of various fiber types, including step-index, multi-core, photonic crystal fibers (PCFs), hollow-core fibers, and hybrid-core fibers.<\/li>\r\n\r\n\r\n\r\n<li><strong>Fiber Characterization<\/strong>: Rigorous testing for propagation loss, absorption, emission, dispersion, photodarkening, hygroscopicity, mechanical strength, and structural imaging (microscopy and SEM).<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p><strong>Fiber Lasers<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Laser Development<\/strong>: Construction of lasers using rare-earth-doped fibers in both all-fiber and free-space configurations (linear cavity, ring cavity, continuous-wave, Q-switched, mode-locked).<\/li>\r\n\r\n\r\n\r\n<li><strong>Specialty Lasers<\/strong>: Fiber-pumped solid-state, gas, nonlinear conversion, and ultrafast lasers.<\/li>\r\n\r\n\r\n\r\n<li><strong>Comprehensive Laser Testing<\/strong>: Power output, optical spectrum, bandwidth, phase noise, relative intensity noise (RIN), pulse energy, repetition rate, and pulse width.<\/li>\r\n\r\n\r\n\r\n<li><strong>Applications<\/strong>:\r\n<ul>\r\n<li>Sensors<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Biomedical imaging<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Interferometry<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>LiDAR<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Optical clocks<\/li>\r\n<\/ul>\r\n<ul>\r\n<li>Quantum computing<\/li>\r\n<\/ul>\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Laser cooling<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p><strong>Fiber Devices<\/strong><\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Linear Fiber-Optic Components<\/strong>: Couplers, splitters, wavelength-division multiplexers (WDMs), polarizers, Faraday rotators, and combiners.<\/li>\r\n\r\n\r\n\r\n<li><strong>Nonlinear Fiber-Optic Components<\/strong>: Multi-mode interference devices, saturable absorbers, and fiber-optic switches.<\/li>\r\n\r\n\r\n\r\n<li><strong>Fiber-Optic Sensors<\/strong>: Advanced devices for sensing applications.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>We invite you to explore our research, collaborate with us, and learn more about our innovations in fiber lasers and devices.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Welcome to the Fiber Lasers and Devices Group University of Arizona, Wyant College of Optical Sciences. Our group specializes in the end-to-end process of designing, fabricating, and characterizing specialty optical fibers and developing state-of-the-art fiber lasers and devices. From creating custom glass compositions to fiber drawing, device integration, and performance testing, we aim to push the boundaries of fiber laser<\/p>\n","protected":false},"author":91,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/pages\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/users\/91"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":18,"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/pages\/12\/revisions"}],"predecessor-version":[{"id":339,"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/pages\/12\/revisions\/339"}],"wp:attachment":[{"href":"https:\/\/wp.optics.arizona.edu\/xzhu\/wp-json\/wp\/v2\/media?parent=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}