Faculty
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![Quevedo, Alejandro(COE-Lilli)](/sites/default/files/2023-06/23_05_SSLEEC_PHOTOSHOOT-06.jpeg)
Graduate Student Researcher, ECE & Physics
Engineering II, Room 2515
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![Rienzi, Vincent](/sites/default/files/2023-03/Spring%202021%20HeadShot%20Rienzi.jpg)
Graduate Student Researcher, Materials
Engineering Science Bldg, Room 3215F
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![Seshadri, Ram](/sites/default/files/2023-05/Ram_Seshadri.jpg)
Distinguished Professor, Materials and Professor, Chemistry & Biochemistry
Professor of Materials/Chemistry & Biochemistry and Co-Director of the Materials Research Laboratory (MRL).
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![Speck, James](/sites/default/files/2023-02/James.Speck%28RR14%29.jpeg)
Professor, Materials
Professor of the Materials Department and the first recipient of The Seoul Optodevice Chair in Solid State Lighting, focuses his research on the relationship between thin-film electronic materials growth (MOCVD and MBE), microstructure, and the relation between microstructure and physical properties.
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![Springfield, Chloe](/sites/default/files/2023-10/IMG_4737.jpg)
Undergraduate Researcher, ChemE & Materials
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![Tak, Tanay](/sites/default/files/2023-03/Tanay%20Tak%20UCSB.jpg)
Graduate Student Researcher, Materials
Engineering II, Room 3507
Tanay Tak is a Ph.D. student in the Materials Department at the University of California, Santa Barbara where he works under the guidance of Profs. James Speck, Steven DenBaars, and Claude Weisbuch. His research focus is on advancing the fundamental understanding and usage of III-N materials and devices. In particular, he has a glimpse into the inner workings of devices under operating conditions by employing electron emission-spectroscopy and -… Read More
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![Tan, Justin](/sites/default/files/2023-09/Justin_Tan%282%29.jpg)
Graduate Student Researcher, ECE
Engineering II, Room 2515
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![Trageser, Emily(COE-Lilli)](/sites/default/files/2023-06/23_05_SSLEEC_PHOTOSHOOT-23.jpeg)
Graduate Student Researcher, Materials
Engineering II, Room 3508
Emily came to UC Santa Barbara in 2020 to pursue graduate studies in Materials and is in the DenBaars Group as a member of the Solid State Lighting and Energy Electronics Center. Emily's work focuses on the development of III-nitride active regions for lasers and other photonic devices. Her interest in quantum materials lies in the heterogeneous integration of photonic integrated circuits for applications in quantum sensing.
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![Van de Walle, Chris](/sites/default/files/2023-02/ChrisVdW1.jpg)
Professor, Materials
Computational materials; novel electronic materials (nitrides, oxides); physics and chemistry of hydrogen interactions with materials.
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![Vozel, Claire](/sites/default/files/2023-09/Claire_Vozel_IMG_5611.jpeg)
Graduate Student Researcher, Materials
Engineering II, Room 2515
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![Wang, Michael](/sites/default/files/2023-05/Michael_Wang.jpeg)
Graduate Student Researcher, Materials
Engineering II, Room 3502
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![Warner, Yukina](/sites/default/files/2022-12/Yukina_Warner.jpeg)
Corporate Affiliates and Patent Officer, SSLEEC
Corporate relations, patent processing, and event management
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![Weisbuch, Claude](/sites/default/files/2023-05/Weisbuch_photo%20cw%20for%20ucsb.jpeg)
Distinguished Professor, Materials, UC Santa Barbara
Engineering II, Room 3518
Distinguished professor in the Materials Department. His research contributions to SSLEEC are in the area of blue laser diodes and micro cavity LEDs. Additionally he has made significant contributions to Auger theory, photonic crystals, and experimental verification of LED droop.
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![Whitlatch, David](/sites/default/files/2023-02/David_Whitlatch.jpeg)
Development Engineer, SSLEEC
Development Engineer responsible for the maintenance and repair of MOCVD equipment. Maintains peripheral equipment, gas systems, and lab inventories.
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![Wong, Matthew(COE-Lilli)](/sites/default/files/2023-06/23_05_SSLEEC_PHOTOSHOOT-17_0.jpeg)
Asst. Project Scientist, SSLEEC
Matthew S. Wong received his Ph. D. in Materials at the University of California, Santa Barbara (UCSB) under the guidance of Professor Steven P. DenBaars. Currently, he is an Assistant Project Scientist in the Materials Department. His main research focuses on enhancing the optoelectrical characteristics of micro-light-emitting diodes and laser diodes.
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![Wu, Feng](/sites/default/files/2023-03/IMG_2107.jpeg)
Project Scientist
Engineering Science Bldg. 3223
Dr. Feng Wu is a Project Scientist for the Solid State Lighting and Energy Center for the College of Engineering at the University of California, Santa Barbara. Her research currently focuses on microstructure study and characterization of novel nitride based materials for applications in solid state lighting.
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![Yao, Yifan](/sites/default/files/2023-05/Yifan_Yao%28RR22%29.jpeg)
Postdoctoral Researcher, Materials
Engineering II, Room 3502
Dr. Yifan Yao is a postdoctoral researcher in the materials Department at UCSB. He works on AlGaN growth, UV LEDs, micro-LEDs, laser diodes. His activity involves the device design, MOCVD growth, material characterization, chip fabrication, and device testing.
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Graduate Student Researcher, Materials
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![zhang, hongyi](/sites/default/files/2023-09/hongyi_zhang.jpg)
Graduate Student Researcher, Materials