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Lasers have been around for over six decades. Since their invention, they have found their way into many applications that have changed our lives. Optical communications is of course one of them, and there are many that may surprise you. There is also still plenty of room to take laser performance to new heights, leading to even more new applications. In Episode 36, we continue our conversation with laser and optics expert Juliet Gopinath, Professor at the University of Colorado Boulder. She explains her use of time resolved spectroscopy to improve semiconductor laser power. \u2013 Pat Chou, Cisco Optics Product Manager \n\nJuliet Gopinath is the Alfred T. and Betty E. Look Professor of Electrical, Computer and Energy Engineering and Physics at the University of Colorado Boulder. She received her B.S. degree in Electrical Engineering from the University of Minnesota and her M.S. and Ph.D. degrees at MIT. She was a member of technical staff at MIT Lincoln Laboratory from 2005 to 2009. Since then, she has led a research group at the University of Colorado Boulder. Her current research interests include ultrafast lasers, nonlinear optics, mid-infrared materials, spectroscopy, orbital angular momentum and adaptive optical devices. She has published 78 peer-reviewed journal articles and over 97 conference presentations. She is the recipient of an R&D 100 Award (2012) and is an Optica Fellow. She served as an Associate Editor for the IEEE Photonics Society Journal (2011-2017), the Associate Director for Cubit (2019), and currently is an Associate Editor for Optica. \n\nTake Juliet\u2019s course on Active Optical Devices for free! https://www.coursera.org/specializations/active-optical-devices \n\nRelated links \nCisco Optics-to-Device Compatibility Matrix: https://tmgmatrix.cisco.com/ \nCisco Optics-to-Optics Interoperability Matrix: https://tmgmatrix.cisco.com/iop \nCisco Optics Product Information: https://copi.cisco.com/ \n\nAdditional resources \nCisco Optics Podcast: https://blogs.cisco.com/tag/ciscoopticspodcast Cisco Optics blogs: https://blogs.cisco.com/tag/ciscoopticsblog (subscribe at https://feedburner.google.com/fb/a/mailverify?uri=CiscoOpticsBlog ) \nCisco Optics YouTube playlist: http://cs.co/9008BlQen \nCisco Optics landing page: cisco.com/go/optics \n\nTimestamps \n3:02\tPhotonics group at University of Colorado Boulder \n3:45\tTime resolved spectroscopy for nonradiative recombination in \n semiconductors \n4:43\tAuger recombination \n6:05\tPower vs current curve droop \n7:58\tHigh power semiconductor lasers \n\nMusic credits Sunny Morning by FSM Team | https://www.free-stock-music.com/artist.fsm-team.html Upbeat by Mixaund | https://mixaund.bandcamp.com