Pseudomorphically Grown Ultraviolet C Photopumped Lasers on Bulk AlN Substrates
Wunderer, Thomas, Chua, Christopher L, Yang, Zhihong, Northrup, John E, Johnson, Noble M, Garrett, Gregory A, Shen, Hongen, Wraback, Michael
Published in Applied physics express (01.09.2011)
Published in Applied physics express (01.09.2011)
Get full text
Journal Article
Investigation of Trap States in Mid-Wavelength Infrared Type II Superlattices Using Time-Resolved Photoluminescence
Connelly, Blair C., Metcalfe, Grace D., Shen, Hongen, Wraback, Michael, Canedy, Chadwick L., Vurgaftman, Igor, Melinger, Joseph S., Affouda, Chaffra A., Jackson, Eric M., Nolde, Jill A., Meyer, Jerry R., Aifer, Edward H.
Published in Journal of electronic materials (01.11.2013)
Published in Journal of electronic materials (01.11.2013)
Get full text
Journal Article
Conference Proceeding
Comparison of time-resolved photoluminescence from InGaN single quantum wells grown on nonpolar and semipolar bulk GaN substrates
Garrett, Gregory A., Shen, Hongen, Wraback, Michael, Tyagi, Anurag, Schmidt, Mathew C., Speck, James S., DenBaars, Steven P., Nakamaura, Shuji
Published in Physica status solidi. C (01.06.2009)
Published in Physica status solidi. C (01.06.2009)
Get full text
Journal Article
Deep UV light emitting diodes grown by gas source molecular beam epitaxy
Nikishin, Sergey, Borisov, Boris, Kuryatkov, Vladimir, Holtz, Mark, Garrett, Gregory A., Sarney, Wendy L., Sampath, Anand V., Shen, Hongen, Wraback, Michael, Usikov, Alexander, Dmitriev, Vladimir
Published in Journal of materials science. Materials in electronics (01.09.2008)
Published in Journal of materials science. Materials in electronics (01.09.2008)
Get full text
Journal Article
Conference Proceeding
Carrier dynamics in Al0.72Ga0.18N multiple quantum wells exhibiting varying internal quantum efficiencies
Garrett, Gregory A., Rotella, Paul, Hongen Shen, Wraback, Michael, Bhattacharyya, Anirban, Moustakas, Theodore D., Hug, William
Published in CLEO: 2011 - Laser Science to Photonic Applications (01.05.2011)
Published in CLEO: 2011 - Laser Science to Photonic Applications (01.05.2011)
Get full text
Conference Proceeding
UV pump-THz probe study of mechanisms limiting luminescence from nanoscale compositionally inhomogeneous AlGaN
Metcalfe, Grace D., Garrett, Gregory A., Rotella, Paul, Sampath, Anand V., Wright, Jonathan, Hongen Shen, Wraback, Michael, Sweeney, Timothy M., Hailin Wang
Published in CLEO: 2011 - Laser Science to Photonic Applications (01.05.2011)
Published in CLEO: 2011 - Laser Science to Photonic Applications (01.05.2011)
Get full text
Conference Proceeding
Terahertz emission from nonpolar indium nitride
Metcalfe, G.D., Hongen Shen, Wraback, M., Koblmuller, G., Gallinat, C.S., Speck, J.S.
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01.05.2009)
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01.05.2009)
Get full text
Conference Proceeding
Degradation mechanisms beyond device self-heating in deep ultraviolet light emitting diodes
Moe, C.G., Reed, M.L., Garrett, G.A., Metcalfe, G.D., Alexander, T., Hongen Shen, Wraback, M., Lunev, A., Bilenko, Y., Xuhong Hu, Sattu, A., Jianyu Deng, Shatalov, M., Gaska, R.
Published in 2009 IEEE International Reliability Physics Symposium (01.04.2009)
Published in 2009 IEEE International Reliability Physics Symposium (01.04.2009)
Get full text
Conference Proceeding
Excitation Wavelength Dependence of Terahertz Emission from Indium Nitride Multiple Quantum Wells
Chern, G.D., Hongen Shen, Wraback, M., Koblmuller, G., Gallinat, C.S., Speck, J.S.
Published in 2007 Conference on Lasers and Electro-Optics (CLEO) (01.05.2007)
Published in 2007 Conference on Lasers and Electro-Optics (CLEO) (01.05.2007)
Get full text
Conference Proceeding
Time-Resolved Photoluminescence Studies and Spectral Narrowing in ZnO Nanostructures
Garrett, G.A., Hongen Shen, Wraback, M., Tsakalakos, L., LeBoeuf, S.F.
Published in 2007 Conference on Lasers and Electro-Optics (CLEO) (01.05.2007)
Published in 2007 Conference on Lasers and Electro-Optics (CLEO) (01.05.2007)
Get full text
Conference Proceeding
Improved THz emission in c-plane InGaN due to polarization charges at the InGaN/GaN interface
Woodward, N., Gallinat, C., Metcalfe, G., Hongen Shen, Wraback, M.
Published in 2011 International Semiconductor Device Research Symposium (ISDRS) (01.12.2011)
Published in 2011 International Semiconductor Device Research Symposium (ISDRS) (01.12.2011)
Get full text
Conference Proceeding
Temperature dependent electroluminescence measurement of AlGaN-based ultraviolet light-emitting diodes
Moe, C. G., Garrett, G. A., Hongen Shen, Wraback, M., Shatalov, M., Xuhong Hu, Bilenko, Y., Jinwei Yang, Wenhong Sun, Gaska, R.
Published in 2011 International Semiconductor Device Research Symposium (ISDRS) (01.12.2011)
Published in 2011 International Semiconductor Device Research Symposium (ISDRS) (01.12.2011)
Get full text
Conference Proceeding
Time‐resolved electroabsorption measurement of carrier velocity in inverted polarity In 1‐ x Ga x N/GaN heterostructures due to internal electric fields
Connelly, Blair C., Gallinat, Chad S., Woodward, Nathaniel T., Enck, Ryan W., Metcalfe, Grace D., Tompkins, Randy, Jones, Kenneth A., Shen, Hongen, Wraback, Michael
Published in Physica status solidi. C (01.02.2014)
Published in Physica status solidi. C (01.02.2014)
Get full text
Journal Article
Time-resolved electroabsorption measurement of carrier velocity in inverted polarity In sub(1-x)Ga sub(x) N/GaN heterostructures due to internal electric fields
Connelly, Blair C, Gallinat, Chad S, Woodward, Nathaniel T, Enck, Ryan W, Metcalfe, Grace D, Tompkins, Randy, Jones, Kenneth A, Shen, Hongen, Wraback, Michael
Published in Physica status solidi. C (01.02.2014)
Published in Physica status solidi. C (01.02.2014)
Get full text
Journal Article
Physical and Optical Characterization of GaN Doped with Neodymium grown by Plasma-Assisted Molecular Beam Epixaty
Readinger, E.D., Chern-Metcalfe, G.D., Hongen Shen, Wood, M., Wraback, M., Dierolf, V.
Published in 2007 International Semiconductor Device Research Symposium (01.12.2007)
Published in 2007 International Semiconductor Device Research Symposium (01.12.2007)
Get full text
Conference Proceeding
Carrier dynamics in active regions for ultraviolet optoelectronics grown on thick, relaxed AlGaN on semipolar bulk GaN
Garrett, Gregory A., Rotella, Paul, Shen, Hongen, Wraback, Michael, Haeger, Daniel A., Chung, Roy B., Pfaff, Nathan, Young, Erin C., DenBaars, Steven P., Speck, James S., Cohen, Daniel A.
Published in physica status solidi (b) (01.03.2012)
Published in physica status solidi (b) (01.03.2012)
Get full text
Journal Article
Terahertz emission from nonpolar gallium nitride
Metcalfe, G.D., Readinger, E.D., Hongen Shen, Wraback, M., Hirai, A., Young, E., Speck, J.S.
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01.05.2008)
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01.05.2008)
Get full text
Conference Proceeding
Time-resolved optical studies of InGaN LED structures grown on semipolar and nonpolar bulk GaN substrates
Garrett, G.A., Hongen Shen, Wraback, M., Tyagi, A., Schmidt, M.C., Zhongyuan Jia, Speck, J.S., DenBaars, S.P., Nakamura, S.
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01.05.2008)
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01.05.2008)
Get full text
Conference Proceeding
Evidence of lateral electric fields in c -plane III-V nitrides via terahertz emission
Woodward, Nathaniel, Enck, Ryan, Gallinat, Chad S., Rodak, Lee E., Metcalfe, Grace D., Speck, James S., Shen, Hongen, Wraback, Michael
Published in Physica status solidi. C (01.02.2014)
Published in Physica status solidi. C (01.02.2014)
Get full text
Journal Article