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Crawford, Mary H. ; Allerman, A.A. ; Armstrong, Andrew A. ; Kaplar, Robert K. ; Pickrell, Gregory P. ; Dickerson, Jeramy R. ; Smith, Michael ; Cross, Karen C. ; Abate, Vincent M. ; Glaser, Caleb E. ; Van Heukelom, Michael V.
Allerman, A.A. ; Crawford, Mary H. ; Pickrell, Gregory P. ; Armstrong, Andrew A. ; Abate, Vincent M. ; Smith, Michael ; Cross, Karen C.
Dickerson, Jeramy R. ; Kaplar, Robert K. ; Allerman, A.A. ; Crawford, Mary H. ; Pickrell, Gregory P. ; Armstrong, Andrew A. ; Cross, Karen C. ; Glaser, Caleb E. ; Van Heukelom, Michael V.
Kaplar, Robert K. ; Allerman, A.A. ; Armstrong, Andrew A. ; Crawford, Mary H. ; Pickrell, Gregory P. ; Dickerson, Jeramy R. ; Flicker, Jack D. ; Neely, Jason C. ; King, Michael P. ; Cross, Karen C. ; Glaser, Caleb E. ; Van Heukelom, Michael V. ; Baca, A.G. ; Reza, Shahed R. ; Klein, Brianna A. ; Douglas, Erica A.
Kaplar, Robert K. ; Allerman, A.A. ; Armstrong, Andrew A. ; Crawford, Mary H. ; Pickrell, Gregory P. ; Dickerson, Jeramy R. ; Flicker, Jack D. ; Neely, Jason C. ; King, Michael P. ; Cross, Karen C. ; Glaser, Caleb E. ; Van Heukelom, Michael V. ; Baca, A.G. ; Reza, Shahed R. ; Klein, Brianna A. ; Douglas, Erica A.
Pickrell, Gregory P. ; Allerman, A.A. ; Crawford, Mary H. ; Armstrong, Andrew A. ; Dickerson, Jeramy R. ; King, Michael P. ; Cross, Karen C. ; Glaser, Caleb E. ; Van Heukelom, Michael V. ; Kaplar, Robert K.
Applied Physics Express
Crawford, Mary H. ; Allerman, A.A. ; Armstrong, Andrew A. ; Smith, Michael ; Cross, Karen C.
We fabricated optically pumped and electrically injected ultraviolet (UV) lasers on reduced-threading-dislocation-density (reduced-TDD) AlGaN templates. The overgrowth of sub-micron-wide mesas in the Al0.32Ga0.68N templates enabled a tenfold reduction in TDD, to (2-3) × 108cm%2. Optical pumping of AlGaN hetero-structures grown on the reduced-TDD templates yielded a low lasing threshold of 34kW/cm2 at 346 nm. Roomtemperature pulsed operation of laser diodes at 353nm was demonstrated, with a threshold of 22.5 kA/cm2. Reduced-TDD templates have been developed across the entire range of AlGaN compositions, presenting a promising approach for extending laser diodes into the deep UV.
Crawford, Mary H. ; Allerman, A.A. ; Armstrong, Andrew A. ; Wierer, Jonathan W. ; Chow, Weng W. ; Moseley, Michael ; Smith, Michael ; Cross, Karen C.
Crawford, Mary H. ; Allerman, A.A. ; Smith, Michael ; Cross, Karen C.
Allerman, A.A. ; Crawford, Mary H. ; Smith, Michael ; Cross, Karen C.
Journal of Crystal Growth
Koleske, Daniel K. ; Crawford, Mary H. ; Cross, Karen C. ; Coltrin, Michael E. ; Kempisty, Jeffrey M.
Wright, Jeremy B. ; Cross, Karen C. ; Koleske, Daniel K. ; Lu, Ping L. ; Subramania, Ganapathi S. ; Chow, Weng W. ; Luk, Ting S. ; Brener, Igal B. ; Wang, George T. ; Liu, Sheng L. ; Benz, Alexander B. ; Figiel, J.J.
Applied Physics Letters
Wang, George T. ; Wright, Jeremy B. ; Liu, Sheng L. ; Luk, Ting S. ; Figiel, J.J. ; Cross, Karen C. ; Brener, Igal B.
Figiel, J.J. ; Cross, Karen C. ; Wright, Jeremy B. ; Wang, George T. ; Luk, Ting S. ; Brener, Igal B.
Allerman, A.A. ; Crawford, Mary H. ; Armstrong, Andrew A. ; Wierer, Jonathan W. ; Alessi, Leonard J. ; Cross, Karen C. ; Clark, Blythe C.
Koleske, Daniel K. ; Crawford, Mary H. ; Cross, Karen C. ; Kempisty, Jeffrey M. ; Coltrin, Michael E.
Koleske, Daniel K. ; Crawford, Mary H. ; Wierer, Jonathan W. ; Fischer, Arthur J. ; Kempisty, Jeffrey M. ; Cross, Karen C.
Figiel, J.J. ; Cross, Karen C. ; Wright, Jeremy B. ; Wang, George T. ; Luk, Ting S. ; Brener, Igal B.
Figiel, J.J. ; Cross, Karen C. ; Wright, Jeremy B. ; Wang, George T. ; Luk, Ting S. ; Brener, Igal B.
Wright, Jeremy B. ; Liu, Sheng L. ; Li, Qiming L. ; Wang, George T. ; Luk, Ting S. ; Figiel, J.J. ; Cross, Karen C. ; Brener, Igal B.
Proposed for publication in Applied Physics Letters.
Wright, Jeremy B. ; Li, Qiming L. ; Luk, Ting S. ; Figiel, J.J. ; Cross, Karen C. ; Brener, Igal B. ; Wang, George T.
Li, Qiming L. ; Koleske, Daniel K. ; Wang, George T. ; Wright, Jeremy B. ; Luk, Ting S. ; Brener, Igal B. ; Figiel, J.J. ; Cross, Karen C. ; Crawford, Mary H.
Li, Qiming L. ; Brener, Igal B. ; Cross, Karen C. ; Wang, George T. ; Figiel, J.J. ; Wright, Jeremy B. ; Chow, Weng W. ; Koleske, Daniel K. ; Luk, Ting S.
Li, Qiming L. ; Wright, Jeremy B. ; Figiel, J.J. ; Cross, Karen C. ; Koleske, Daniel K. ; Wang, George T. ; Brener, Igal B. ; Luk, Ting S. ; Chow, Weng W.
Crawford, Mary H. ; Allerman, A.A. ; Armstrong, Andrew A. ; Henry, Tania A. ; Chow, Weng W. ; Clark, Blythe C. ; Cross, Karen C.
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