Search Results - "Smirl, A.L."
-
1
Measurement of the anisotropy of two-photon absorption coefficients in zincblende semiconductors
Published in IEEE journal of quantum electronics (01-02-1994)“…The imaginary parts of all of the independent two-photon-resonant susceptibility tensor elements in GaAs and CdTe are determined by using a two-beam coupling…”
Get full text
Journal Article -
2
Picosecond photorefractive and free-carrier transient energy transfer in GaAs at 1 mu m
Published in IEEE journal of quantum electronics (01-02-1988)“…The strength, formation, and decay of photorefractive and free-carrier gratings written in GaAs by 43-ps pulses at a wavelength of 1 mu m are investigated…”
Get full text
Journal Article -
3
Scaling of Stark-shifted per-carrier nonlinearities in multiple-quantum-well device structures
Published in IEEE journal of quantum electronics (01-10-1995)“…We demonstrate simple rules for the scaling of per-carrier Stark-shifted nonlinearities with well number, electric field, amplitude and width of the excitonic…”
Get full text
Journal Article -
4
Transverse optical patterns for ultra-low-light-level all-optical switching
Published in Laser & photonics reviews (01-02-2010)“…We review recent theoretical and experimental efforts toward developing an all‐optical switch based on transverse optical patterns. Transverse optical patterns…”
Get full text
Journal Article -
5
Interference-induced slow and fast light in bulk semiconductors
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01-05-2009)“…The interference between the two exciton polaritons in semiconductors is predicted to give a time delay for traversing light pulses that is unrelated to the…”
Get full text
Conference Proceeding -
6
Spin Hall Effect of Light in a semiconductor
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01-05-2009)“…We demonstrate the spatial separation of right and left circularly polarized components of a linear polarized beam non-normally incident at an air-GaAs…”
Get full text
Conference Proceeding -
7
All-optical injection, control, and detection of ballistic spin and charge currents in group IV semiconductors
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01-05-2009)“…Ballistic charge currents are injected into Ge and Si and pure spin currents into Ge using quantum interference techniques and are spatially and temporally…”
Get full text
Conference Proceeding -
8
Theory of ultrafast optical gain in the nonlinear reflectivity of semiconductor Bragg structures
Published in 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (01-05-2006)“…We present a microscopic theory for the nonlinear reflection of semiconductor Bragg structures. Our theoretical results showing ultrafast optical gain…”
Get full text
Conference Proceeding -
9
Heavy-hole and light-hole quantum beats in the polarization state of coherent emission from quantum wells
Published in IEEE journal of quantum electronics (01-04-1999)“…Dual-channel spectral interferometry is used to measure the vectorial dynamics of the the four-wave-mixing signal from a GaAs-AlGaAs multiple quantum well when…”
Get full text
Journal Article -
10
Quantum interference generation and control of ballistic charge and spin hall currents
Published in 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (01-05-2006)“…Ballistic pure spin currents generated via quantum interference in the absorption of femtosecond pulses are demonstrated to produce transverse ballistic Hall…”
Get full text
Conference Proceeding -
11
Dipole quantum beats of dynamically interacting excitons
Published in Quantum Electronics and Laser Science Conference (QELS 2000). Technical Digest. Postconference Edition. TOPS Vol.40 (IEEE Cat. No.00CH37089) (2000)“…Summary form only given. We use spectral interferometry and temporal gating techniques to investigate the time-integrated quantum beats (TI-QBs) involving the…”
Get full text
Conference Proceeding -
12
Electrooptic polarization modulation in [110]-oriented GaAs-InGaAs multiple quantum wells
Published in IEEE journal of quantum electronics (01-07-1997)“…An electrooptic modulator that is sensitive to the polarization state of transmitted light is demonstrated by using the intrinsic optical anisotropy of…”
Get full text
Journal Article -
13
Theory of transient energy transfer in gallium arsenide
Published in IEEE journal of quantum electronics (01-02-1988)“…Numerical calculations are given for optical two-beam coupling in undoped, semi-insulating GaAs using picosecond pulses. Absorption at the intrinsic defect…”
Get full text
Journal Article -
14
Simultaneous measurement of the two-photon coefficient and free-carrier cross section above the bandgap of crystalline silicon
Published in IEEE journal of quantum electronics (01-02-1986)“…We report what is to our knowledge the first simultaneous measurement of the two-photon absorption coefficient and the free-carrier cross section above the…”
Get full text
Journal Article -
15
Dark spatial soliton propagation in bulk ZnSe
Published in IEEE journal of quantum electronics (01-09-1991)“…The propagation of dark spatial solitons was experimentally demonstrated in bulk ZnSe at lambda =532 nm using a picosecond laser system. Several propagation…”
Get full text
Journal Article -
16
The effects of strain and crystallographic orientation on nonlinearities in quantum well devices
Published in Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society (1996)“…The author discusses their progress in investigating the influences of crystallographic orientation and of strain on the nonlinear and electro-optical…”
Get full text
Conference Proceeding -
17
An interdigitated stacked p-i-n multiple-quantum-well modulator
Published in IEEE photonics technology letters (01-09-1996)“…We demonstrate low-voltage operation of a strained InGaAs-GaAs interdigitated hetero n-i-p-i modulator (or stacked SEED) that is grown and fabricated using a…”
Get full text
Journal Article -
18
Instability induced all-optical switching in planar semiconductor microcavities
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01-05-2008)“…Using a microscopic theory, we predict all-optical switching in planar semiconductor micro-cavities where a weak beam switches a stronger signal. The scheme is…”
Get full text
Conference Proceeding -
19
Coherent all-optical polarization switching in quantum wells
Published in Nonlinear Optics: Materials, Fundamentals, and Applications. Technical Digest. Postconference Edition. TOPS Vol.46 (IEEE Cat. No.00CH37174) (2000)“…A coherent all-optical nonlinear polarization switch based on exciton-exciton correlations is demonstrated in a multiple-quantum-well semiconductor structure…”
Get full text
Conference Proceeding -
20
The connection between phenomenological few-level models and microscopic theories in the nonlinear optics of semiconductors
Published in InternationalQuantum Electronics Conference, 2004. (IQEC) (2004)“…We demonstrate a formal similarity between the evolution equation of the third-order interband polarization in a phenomenological model and that in microscopic…”
Get full text
Conference Proceeding