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DenBaars Steven

TitleCNSI-UCSB
InstitutionUniversity of California Los Angeles
DepartmentCalifornia NanoSystems Institute
AddressMaterials Department
Santa Barbara CA 93106
Phone(805) 893-8511
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    TitleProfessor


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Wong MS, Hwang D, Alhassan AI, Lee C, Ley R, Nakamura S, DenBaars SP. High efficiency of III-nitride micro-light-emitting diodes by sidewall passivation using atomic layer deposition. Opt Express. 2018 Aug 06; 26(16):21324-21331. PMID: 30119435.
      View in: PubMed
    2. Myzaferi A, Mughal AJ, Cohen DA, Farrell RM, Nakamura S, Speck JS, DenBaars SP. Zinc oxide clad limited area epitaxy semipolar III-nitride laser diodes. Opt Express. 2018 May 14; 26(10):12490-12498. PMID: 29801286.
      View in: PubMed
    3. Shen C, Ng TK, Lee C, Nakamura S, Speck JS, DenBaars SP, Alyamani AY, El-Desouki MM, Ooi BS. Semipolar InGaN quantum-well laser diode with integrated amplifier for visible light communications. Opt Express. 2018 Mar 19; 26(6):A219-A226. PMID: 29609284.
      View in: PubMed
    4. Alhassan AI, Young NG, Farrell RM, Pynn C, Wu F, Alyamani AY, Nakamura S, DenBaars SP, Speck JS. Development of high performance green c-plane III-nitride light-emitting diodes. Opt Express. 2018 Mar 05; 26(5):5591-5601. PMID: 29529761.
      View in: PubMed
    5. Cozzan C, Lheureux G, O'Dea N, Levin EE, Graser J, Sparks TD, Nakamura S, DenBaars SP, Weisbuch C, Seshadri R. Stable, Heat-Conducting Phosphor Composites for High-Power Laser Lighting. ACS Appl Mater Interfaces. 2018 Feb 14; 10(6):5673-5681. PMID: 29400946.
      View in: PubMed
    6. Mehari S, Cohen DA, Becerra DL, Nakamura S, DenBaars SP. Demonstration of enhanced continuous-wave operation of blue laser diodes on a semipolar 202¯1¯ GaN substrate using indium-tin-oxide/thin-p-GaN cladding layers. Opt Express. 2018 Jan 22; 26(2):1564-1572. PMID: 29402030.
      View in: PubMed
    7. Kuritzky LY, Espenlaub AC, Yonkee BP, Pynn CD, DenBaars SP, Nakamura S, Weisbuch C, Speck JS. High wall-plug efficiency blue III-nitride LEDs designed for low current density operation. Opt Express. 2017 Nov 27; 25(24):30696-30707. PMID: 29221097.
      View in: PubMed
    8. Li H, Khoury M, Bonef B, Alhassan AI, Mughal AJ, Azimah E, Samsudin MEA, De Mierry P, Nakamura S, Speck JS, DenBaars SP. Efficient Semipolar (11-22) 550 nm Yellow/Green InGaN Light-Emitting Diodes on Low Defect Density (11-22) GaN/Sapphire Templates. ACS Appl Mater Interfaces. 2017 Oct 18; 9(41):36417-36422. PMID: 28960058.
      View in: PubMed
    9. Monavarian M, Rashidi A, Aragon A, Oh SH, Nami M, DenBaars SP, Feezell D. Explanation of low efficiency droop in semipolar (202¯1¯) InGaN/GaN LEDs through evaluation of carrier recombination coefficients. Opt Express. 2017 Aug 07; 25(16):19343-19353. PMID: 29041128.
      View in: PubMed
    10. Lee C, Shen C, Cozzan C, Farrell RM, Speck JS, Nakamura S, Ooi BS, DenBaars SP. Gigabit-per-second white light-based visible light communication using near-ultraviolet laser diode and red-, green-, and blue-emitting phosphors. Opt Express. 2017 Jul 24; 25(15):17480-17487. PMID: 28789239.
      View in: PubMed
    11. Myzaferi A, Reading AH, Farrell RM, Cohen DA, Nakamura S, DenBaars SP. Semipolar III-nitride laser diodes with zinc oxide cladding. Opt Express. 2017 Jul 24; 25(15):16922-16930. PMID: 28789192.
      View in: PubMed
    12. Pynn CD, Chan L, Lora Gonzalez F, Berry A, Hwang D, Wu H, Margalith T, Morse DE, DenBaars SP, Gordon MJ. Enhanced light extraction from free-standing InGaN/GaN light emitters using bio-inspired backside surface structuring. Opt Express. 2017 Jul 10; 25(14):15778-15785. PMID: 28789090.
      View in: PubMed
    13. Kowsz SJ, Young EC, Yonkee BP, Pynn CD, Farrell RM, Speck JS, DenBaars SP, Nakamura S. Using tunnel junctions to grow monolithically integrated optically pumped semipolar III-nitride yellow quantum wells on top of electrically injected blue quantum wells. Opt Express. 2017 Feb 20; 25(4):3841-3849. PMID: 28241595.
      View in: PubMed
    14. Okur S, Nami M, Rishinaramangalam AK, Oh SH, DenBaars SP, Liu S, Brener I, Feezell DF. Internal quantum efficiency and carrier dynamics in semipolar (2021) InGaN/GaN light-emitting diodes. Opt Express. 2017 Feb 06; 25(3):2178-2186. PMID: 29519065.
      View in: PubMed
    15. Hwang D, Yonkee BP, Addin BS, Farrell RM, Nakamura S, Speck JS, DenBaars S. Photoelectrochemical liftoff of LEDs grown on freestanding c-plane GaN substrates. Opt Express. 2016 Oct 03; 24(20):22875-22880. PMID: 27828354.
      View in: PubMed
    16. Shen C, Lee C, Ng TK, Nakamura S, Speck JS, DenBaars SP, Alyamani AY, El-Desouki MM, Ooi BS. High-speed 405-nm superluminescent diode (SLD) with 807-MHz modulation bandwidth. Opt Express. 2016 Sep 05; 24(18):20281-6. PMID: 27607634.
      View in: PubMed
    17. Alhassan AI, Farrell RM, Saifaddin B, Mughal A, Wu F, DenBaars SP, Nakamura S, Speck JS. High luminous efficacy green light-emitting diodes with AlGaN cap layer. Opt Express. 2016 Aug 08; 24(16):17868-73. PMID: 27505754.
      View in: PubMed
    18. Shen C, Ng TK, Leonard JT, Pourhashemi A, Nakamura S, DenBaars SP, Speck JS, Alyamani AY, El-Desouki MM, Ooi BS. High-brightness semipolar (2021¯) blue InGaN/GaN superluminescent diodes for droop-free solid-state lighting and visible-light communications. Opt Lett. 2016 Jun 01; 41(11):2608-11. PMID: 27244426.
      View in: PubMed
    19. Yonkee BP, Young EC, Lee C, Leonard JT, DenBaars SP, Speck JS, Nakamura S. Demonstration of a III-nitride edge-emitting laser diode utilizing a GaN tunnel junction contact. Opt Express. 2016 Apr 04; 24(7):7816-22. PMID: 27137064.
      View in: PubMed
    20. Cantore M, Pfaff N, Farrell RM, Speck JS, Nakamura S, DenBaars SP. High luminous flux from single crystal phosphor-converted laser-based white lighting system. Opt Express. 2016 Jan 25; 24(2):A215-21. PMID: 26832576.
      View in: PubMed
    21. Chi YC, Hsieh DH, Lin CY, Chen HY, Huang CY, He JH, Ooi B, DenBaars SP, Nakamura S, Kuo HC, Lin GR. Phosphorous Diffuser Diverged Blue Laser Diode for Indoor Lighting and Communication. Sci Rep. 2015 Dec 21; 5:18690. PMID: 26687289; PMCID: PMC4995634.
    22. Lee C, Shen C, Oubei HM, Cantore M, Janjua B, Ng TK, Farrell RM, El-Desouki MM, Speck JS, Nakamura S, Ooi BS, DenBaars SP. 2 Gbit/s data transmission from an unfiltered laser-based phosphor-converted white lighting communication system. Opt Express. 2015 Nov 16; 23(23):29779-87. PMID: 26698461.
      View in: PubMed
    23. Estrin Y, Rich DH, Keller S, DenBaars SP. Observations of exciton-surface plasmon polariton coupling and exciton-phonon coupling in InGaN/GaN quantum wells covered with Au, Ag, and Al films. J Phys Condens Matter. 2015 Jul 08; 27(26):265802. PMID: 26076324.
      View in: PubMed
    24. Lee C, Zhang C, Cantore M, Farrell RM, Oh SH, Margalith T, Speck JS, Nakamura S, Bowers JE, DenBaars SP. 4 Gbps direct modulation of 450 nm GaN laser for high-speed visible light communication. Opt Express. 2015 Jun 15; 23(12):16232-7. PMID: 26193595.
      View in: PubMed
    25. Perl EE, McMahon WE, Farrell RM, DenBaars SP, Speck JS, Bowers JE. Surface structured optical coatings with near-perfect broadband and wide-angle antireflective properties. Nano Lett. 2014 Oct 08; 14(10):5960-4. PMID: 25238041.
      View in: PubMed
    26. Brgoch J, Borg CK, Denault KA, Mikhailovsky A, DenBaars SP, Seshadri R. An efficient, thermally stable cerium-based silicate phosphor for solid state white lighting. Inorg Chem. 2013 Jul 15; 52(14):8010-6. PMID: 23822144.
      View in: PubMed
    27. Zhao Y, Yan Q, Feezell D, Fujito K, Van de Walle CG, Speck JS, DenBaars SP, Nakamura S. Optical polarization characteristics of semipolar (3031) and (3031) InGaN/GaN light-emitting diodes. Opt Express. 2013 Jan 14; 21 Suppl 1:A53-9. PMID: 23389275.
      View in: PubMed
    28. Reading AH, Richardson JJ, Pan CC, Nakamura S, DenBaars SP. High efficiency white LEDs with single-crystal ZnO current spreading layers deposited by aqueous solution epitaxy. Opt Express. 2012 Jan 02; 20(1):A13-9. PMID: 22379670.
      View in: PubMed
    29. Im WB, George N, Kurzman J, Brinkley S, Mikhailovsky A, Hu J, Chmelka BF, DenBaars SP, Seshadri R. Efficient and color-tunable oxyfluoride solid solution phosphors for solid-state white lighting. Adv Mater. 2011 May 24; 23(20):2300-5. PMID: 21480397.
      View in: PubMed
    30. Im WB, Fourré Y, Brinkley S, Sonoda J, Nakamura S, DenBaars SP, Seshadri R. Substitution of oxygen by fluorine in the GdSr2AlO5:Ce3+ phosphors: Gd1-xSr2+xAlO5-xFx solid solutions for solid state white lighting. Opt Express. 2009 Dec 07; 17(25):22673-9. PMID: 20052193.
      View in: PubMed
    31. Masui H, Nakamura S, DenBaars SP. Analytical light-ray tracing in two-dimensional objects for light-extraction problems in light-emitting diodes. Appl Opt. 2008 Jan 01; 47(1):88-92. PMID: 18157281.
      View in: PubMed
    32. Masui H, Fellows NN, Sato H, Asamizu H, Nakamura S, DenBaars SP. Direct evaluation of reflector effects on radiant flux from InGaN-based light-emitting diodes. Appl Opt. 2007 Aug 10; 46(23):5974-8. PMID: 17694152.
      View in: PubMed
    33. Chichibu SF, Uedono A, Onuma T, Haskell BA, Chakraborty A, Koyama T, Fini PT, Keller S, Denbaars SP, Speck JS, Mishra UK, Nakamura S, Yamaguchi S, Kamiyama S, Amano H, Akasaki I, Han J, Sota T. Origin of defect-insensitive emission probability in In-containing (Al,In,Ga)N alloy semiconductors. Nat Mater. 2006 Oct; 5(10):810-6. PMID: 16951678.
      View in: PubMed
    34. Chu SW, Chan MC, Tai SP, Keller S, DenBaars SP, Sun CK. Simultaneous four-photon luminescence, third-harmonic generation, and second-harmonic generation microscopy of GaN. Opt Lett. 2005 Sep 15; 30(18):2463-5. PMID: 16196353.
      View in: PubMed
    35. Sun CK, Chu SW, Tai SP, Keller S, Abare A, Mishra UK, DenBaars SP. Mapping piezoelectric-field distribution in gallium nitride with scanning second-harmonic generation microscopy. Scanning. 2001 May-Jun; 23(3):182-92. PMID: 11405303.
      View in: PubMed
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