Jeffrey A. Davis

Generation of accelerating Airy and accelerating parabolic beams using phase-only patterns (2009)

Davis, Jeffrey A., Mitry, Mark J., Bandres, Miguel A., Ruiz, Isaac, McAuley, Kevin-P, Cottrell, Don M.

We generate both accelerated Airy and accelerated parabolic beams using phase-only patterns encoded onto a liquid crystal display (LCD). The usual system length is 2f, where f is the focal length of...

Thermal quenching of photoluminescence in ZnO/ZnMgO multiple quantum wells following oxygen implantation and rapid thermal annealing (2009)

Wen, Xiaoming, Davis, Jeffrey A., Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The temperature-dependent photoluminescence in oxygen-implanted and rapid thermally annealed ZnO/ZnMgO multiple quantum wells is investigated. A difference in the thermal quenching of the...

Thermal quenching of photoluminescence in ZnO/ZnMgO multiple quantum wells following oxygen implantation and rapid thermal annealing (2009)

Wen, Xiaoming, Davis, Jeffrey A., Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The temperature-dependent photoluminescence in oxygen-implanted and rapid thermally annealed ZnO/ZnMgO multiple quantum wells is investigated. A difference in the thermal quenching of the...

Thermal quenching of photoluminescence in ZnO/ZnMgO multiple quantum wells following oxygen implantation and rapid thermal annealing (2009)

Wen, Xiaoming, Davis, Jeffrey A., Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The temperature-dependent photoluminescence in oxygen-implanted and rapid thermally annealed ZnO/ZnMgO multiple quantum wells is investigated. A difference in the thermal quenching of the...

Thermal quenching of photoluminescence in ZnO/ZnMgO multiple quantum wells following oxygen implantation and rapid thermal annealing (2009)

Wen, Xiaoming, Davis, Jeffrey A., Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The temperature-dependent photoluminescence in oxygen-implanted and rapid thermally annealed ZnO/ZnMgO multiple quantum wells is investigated. A difference in the thermal quenching of the...

Ultrafast spectroscopy of ZnO/ZnMgO quantum wells (2009)

Davis, Jeffrey A., Jagadish, Chennupati

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pumpprobe techniques at room temperature. For a probe energy above the...

Ultrafast spectroscopy of ZnO/ZnMgO quantum wells (2009)

Davis, Jeffrey A., Jagadish, Chennupati

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pumpprobe techniques at room temperature. For a probe energy above the...

Observation of accelerating parabolic beams (2008)

Davis, Jeffrey A., Mitry, Mark J., Bandres, Miguel A., Cottrell, Don M.

We report the first observation of accelerating parabolic beams. These accelerating parabolic beams are similar to the Airy beams because they exhibit the unusual ability to remain diffraction-free...

Suppression of the internal electrical field effects in ZnO/Zn0.7Mg0.3O quantum wells by ion-implantation induced intermixing (2008)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Ticknor, Christopher, Hannaford, Peter, Coleman, Victoria A., ...

Strong suppression of the effects caused by the internal electric field in ZnO/ZnMgO quantum wells following ion-implantation and rapid thermal annealing, is revealed by photoluminescence,...

Noninterferometric two-dimensional fourier-transform spectroscopy of multilevel systems (2008)

Davis, Jeffrey A., Dao, Lap Van, Do, My T., Hannaford, Peter, Nugent, Keith A., Quiney, Harry M.

We demonstrate a technique that determines the phase of the photon-echo emission from spectrally resolved intensity data without requiring phase-stabilized input pulses. The full complex polarization...

Suppression of the internal electrical field effects in ZnO/Zn0.7Mg0.3O quantum wells by ion-implantation induced intermixing (2008)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Ticknor, Christopher, Hannaford, Peter, Coleman, Victoria A., ...

Strong suppression of the effects caused by the internal electric field in ZnO/ZnMgO quantum wells following ion-implantation and rapid thermal annealing, is revealed by photoluminescence,...

Noninterferometric two-dimensional fourier-transform spectroscopy of multilevel systems (2008)

Davis, Jeffrey A., Dao, Lap Van, Do, My T., Hannaford, Peter, Nugent, Keith A., Quiney, Harry M.

We demonstrate a technique that determines the phase of the photon-echo emission from spectrally resolved intensity data without requiring phase-stabilized input pulses. The full complex polarization...

Suppression of the internal electrical field effects in ZnO/Zn0.7Mg0.3O quantum wells by ion-implantation induced intermixing (2008)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Ticknor, Christopher, Hannaford, Peter, Coleman, Victoria A., ...

Strong suppression of the effects caused by the internal electric field in ZnO/ZnMgO quantum wells following ion-implantation and rapid thermal annealing, is revealed by photoluminescence,...

Noninterferometric two-dimensional fourier-transform spectroscopy of multilevel systems (2008)

Davis, Jeffrey A., Dao, Lap Van, Do, My T., Hannaford, Peter, Nugent, Keith A., Quiney, Harry M.

We demonstrate a technique that determines the phase of the photon-echo emission from spectrally resolved intensity data without requiring phase-stabilized input pulses. The full complex polarization...

Suppression of the internal electrical field effects in ZnO/Zn0.7Mg0.3O quantum wells by ion-implantation induced intermixing (2008)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Ticknor, Christopher, Hannaford, Peter, Coleman, Victoria A., ...

Strong suppression of the effects caused by the internal electric field in ZnO/ZnMgO quantum wells following ion-implantation and rapid thermal annealing, is revealed by photoluminescence,...

Suppression of the internal electrical field effects in ZnO/Zn0.7Mg0.3O quantum wells by ion-implantation induced intermixing (2008)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Ticknor, Christopher, Hannaford, Peter, Coleman, Victoria A., ...

Strong suppression of the effects caused by the internal electric field in ZnO/ZnMgO quantum wells following ion-implantation and rapid thermal annealing, is revealed by photoluminescence,...

General Terms (2007)

Raguraman Venkatesan, Jeffrey A. Davis, James D. Meindl

Rapid approximation of the transient response of high-speed global interconnects is needed to estimate the time delay, crosstalk, and overshoot in a GSI multilevel wiring network. This paper outlines...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Van Dao, Lap, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Van Dao, Lap, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Ultrafast dynamics in ZnO/ZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., McDonald, David, Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., ...

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pump-probe techniques at room temperature. For a probe energy above...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Van Dao, Lap, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Ultrafast dynamics in ZnO/ZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., McDonald, David, Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., ...

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pump-probe techniques at room temperature. For a probe energy above...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Van Dao, Lap, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Ultrafast dynamics in ZnO/ZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., McDonald, David, Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., ...

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pump-probe techniques at room temperature. For a probe energy above...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Van Dao, Lap, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Ultrafast dynamics in ZnO/ZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., McDonald, David, Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., ...

We have investigated carrier relaxation and exciton recombination dynamics in ZnO/ZnMgO multiple quantum wells using femtosecond pump-probe techniques at room temperature. For a probe energy above...

Temperature dependent photoluminescence in oxygen ion implanted and rapid thermally annealed ZnOZnMgO multiple quantum wells (2007)

Wen, Xiaoming, Davis, Jeffrey A., Dao, Lap Van, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

The authors investigate the effect of oxygen implantation and rapid thermal annealing in ZnOZnMgO multiple quantum wells using photoluminescence. A blueshift in the photoluminescence is observed in...

Observation of coherent biexcitons in ZnO/ZnMgO multiple quantum wells at room temperature (2006)

Davis, Jeffrey A., Van Dao, Lap, Wen, Xiaoming, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

We have studied ZnOZnMgO multiple quantum wells by spectrally resolved transient four-wave mixing with both one- and two-color excitations. The presence of an extended signal at negative interpulse...

Observation of coherent biexcitons in ZnO/ZnMgO multiple quantum wells at room temperature (2006)

Davis, Jeffrey A., Van Dao, Lap, Wen, Xiaoming, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

We have studied ZnOZnMgO multiple quantum wells by spectrally resolved transient four-wave mixing with both one- and two-color excitations. The presence of an extended signal at negative interpulse...

Observation of coherent biexcitons in ZnO/ZnMgO multiple quantum wells at room temperature (2006)

Davis, Jeffrey A., Van Dao, Lap, Wen, Xiaoming, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

We have studied ZnOZnMgO multiple quantum wells by spectrally resolved transient four-wave mixing with both one- and two-color excitations. The presence of an extended signal at negative interpulse...

Observation of coherent biexcitons in ZnO/ZnMgO multiple quantum wells at room temperature (2006)

Davis, Jeffrey A., Van Dao, Lap, Wen, Xiaoming, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

We have studied ZnOZnMgO multiple quantum wells by spectrally resolved transient four-wave mixing with both one- and two-color excitations. The presence of an extended signal at negative interpulse...

Coherent dynamics of excitons and biexcitons in intermixed ZnO/Zn 1-xMgxO quantum wells by ion implantation (2006)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Hannaford, Peter, Coleman, V. A., Tan, H. H., ...

We have performed one and two colour, spectrally resolved four-wave mixing (FWM) experiments on a series of ZnO/ Zn1-xMgxO quantum wells with different oxygen ion implantation doses. The results show...

Observation of coherent biexcitons in ZnO/ZnMgO multiple quantum wells at room temperature (2006)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Hannaford, Peter, Coleman, Victoria A., Tan, H. Hoe, ...

We have studied ZnOZnMgO multiple quantum wells by spectrally resolved transient four-wave mixing with both one- and two-color excitations. The presence of an extended signal at negative interpulse...

Coherent dynamics of excitons and biexcitons in intermixed ZnO/Zn 1-xMgxO quantum wells by ion implantation (2006)

Davis, Jeffrey A., Dao, Lap Van, Wen, Xiaoming, Hannaford, Peter, Coleman, V. A., Tan, H. H., ...

We have performed one and two colour, spectrally resolved four-wave mixing (FWM) experiments on a series of ZnO/ Zn1-xMgxO quantum wells with different oxygen ion implantation doses. The results show...

Interconnect Delay Aware RTL Verilog Bus Architecture Generation for an SoC (2004)

Kyeong Keol Ryu, Ru Talpasanu, Jeffrey A. Davis

As feature size is scaled down to the submicron level, interconnect delay in the design of a high-speed System-on-a-Chip (SoC) becomes a major concern. This concern is especially acute for on-chip...

Photochromic Materials Study. (2002)

Davis,Jeffrey A., Thomas,Mary

This report describes a study conducted to determine the feasibility of using the photochromic material mercury dithizonate as a programmable spatial filter for optical processing. This material has...

Applicability of the Liquid Crystal Television for Optical Data Processing, (2002)

Davis,Jeffrey A., Lilly,Roger A., Krenz,Kevin D., Liu,Hua-Kuang

The pocket-size liquid crystal television (LCTV) has been investigated for its potential as a two dimensional spatial light modulator. The LCTV can be addressed using both a microcomputer and a TV...

Interconnect limits on gigascale integration (2001)

Jeffrey A. Davis, Raguraman Venkatesan, Alain Kaloyeros, Michael Beylansky, Shukri J. Souri, Kaustav Banerjee, ...

Twenty-first century opportunities for GSI will be governed in part by a hierarchy of physical limits on interconnects whose levels are codified as fundamental, material, device, circuit, and system....

Prediction of Interconnect Fan-Out Distribution Using Rent's Rule (2000)

Payman Zarkesh-ha, Jeffrey A. Davis, William Loh, James D. Meindl

Based on Rent’s rule, a well-established empirical relationship, a rigorous derivation of the interconnect fan-out distribution for random logic networks is performed. Through comparison with...

Study of Photochromic Materials for Use in Optical Signal Processing. (1998)

Davis, Jeffrey A., Lee, Richard L.

This report summarizes 12 months of investigation into the feasibility of using photochromic materials for programmable spatial filters and optical data storage applications. Write and erase times,...