Search Results - "Romano, Linda T."

Direct Evidence that Dislocations are Non-Radiative Recombination Centers in GaN by Sugahara, Tomoya, Sato, Hisao, Hao, Maosheng, Naoi, Yoshiki, Kurai, Satoshi, Tottori, Satoru, Yamashita, Kenji, Nishino, Katsushi, Romano, Linda T., Sakai, Shiro

“…Plan-view transmission electron microscopy (TEM) and cathodoluminescence (CL) images were taken for the same sample at exactly the same location in n-type GaN…”
Get full text

Room-temperature pulsed operation of an electrically injected InGaN/GaN multi-quantum well distributed feedback laser by Hofstetter, Daniel, Thornton, Robert L., Romano, Linda T., Bour, David P., Kneissl, Michael, Donaldson, Rose M.

“…We demonstrate room-temperature pulsed operation of an electrically injected InGaN/GaN-based distributed feedback laser with an emission wavelength of 403 nm…”
Get full text

Realization of a complex-coupled InGaN/GaN-based optically pumped multiple-quantum-well distributed-feedback laser by Hofstetter, Daniel, Romano, Linda T., Paoli, Thomas L., Bour, David P., Kneissl, Michael

“…We demonstrate an optically pumped complex-coupled InGaN/GaN-based multiple-quantum-well distributed-feedback laser in the violet/blue spectral region. The…”
Get full text

Structural and optical properties of epitaxially overgrown third-order gratings for InGaN/GaN-based distributed feedback lasers by Romano, Linda T., Hofstetter, Daniel, McCluskey, Matthew D., Bour, David P., Kneissl, Michael

“…Laser-diode heterostructures of InGaAlN containing a third-order diffraction grating for distributed optical feedback have been examined with transmission…”
Get full text

Study of Threading Dislocations in Wurtzite GaN Films Grown on Sapphire by Metalorganic Chemical Vapor Deposition by T. Romano, Maosheng Hao, Shiro Sakai, Shiro Sakai

“…The threading dislocations in GaN films grown on Al 2 O 3 substrates were studied by plan view transmission electron microscopy (TEM). A pure edge dislocation…”
Get full text

Room-temperature continuous-wave operation of InGaN multiple-quantum-well laser diodes with an asymmetric waveguide structure by Kneissl, Michael, Bour, David P., Van de Walle, Chris G., Romano, Linda T., Northrup, John E., Wood, Rose M., Teepe, Mark, Johnson, Noble M.

“…Room-temperature continuous-wave (cw) operation is demonstrated with InGaN multiple-quantum-well laser diodes containing an asymmetric waveguide structure…”
Get full text

Characterization of intra-cavity reflections by Fourier transforming spectral data of optically pumped InGaN lasers by Hofstetter, Daniel, Romano, Linda T., Thornton, Robert L., Bour, David P., Johnson, N. M.

“…Fourier analysis of laser emission spectra just above threshold is used to evaluate the impact of structural defects on the emission from optically pumped…”
Get full text

Characteristics of InGaN-AlGaN multiple-quantum-well laser diodes by Bour, D.P., Kneissl, M., Romano, L.T., McCluskey, M.D., Van deWalle, C.G., Krusor, B.S., Donaldson, R.M., Walker, J., Dunnrowicz, C.J., Johnson, N.M.

“…We demonstrate room-temperature pulsed current-injected operation of InGaAlN heterostructure laser diodes with mirrors fabricated by chemically assisted ion…”
Get full text

Performance and optical gain characteristic of InGaN MQW laser diodes by Kneissl, Michael, Van de Walle, Chris G., Bour, David P., Romano, Linda T., Goddard, Lynford L., Master, Cyrus P., Northrup, John E., Johnson, Noble M.

“…This paper discusses the performance of InGaN multi-quantum well (MQW) laser diodes and the effects of composition fluctuations on the optical gain…”
Get full text