Quantum Interference Control of Ballistic Pure Spin Currents in Semiconductors Export

@article{citeulike:998773, abstract = {We demonstrate all-optical quantum interference injection and control of a ballistic pure spin current ( without an accompanying charge current) in GaAs/AlGaAs quantum wells; consisting of spin-up electrons traveling in one direction and spin-down electrons traveling in the opposite direction. This current is generated through quantum interference of one- and two-photon absorption of ∼100  fs phase-locked pulses that have orthogonal linear polarizations. We use a spatially resolved pump-probe technique to measure carrier movement of ∼10  nm. Results agree with recent theoretical predictions.}, author = {Stevens, Martin J. and Smirl, Arthur L. and Bhat, R. D. R. and Najmaie, Ali and Sipe, J. E. and van Driel, H. M.}, citeulike-article-id = {998773}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000090000013136603000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v90/e136603}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.90.136603}, citeulike-linkout-3 = {http://link.aps.org/abstract/PRL/v90/i13/e136603}, citeulike-linkout-4 = {http://link.aps.org/pdf/PRL/v90/i13/e136603}, doi = {10.1103/PhysRevLett.90.136603}, journal = {Physical Review Letters}, keywords = {quantum-interference-control, semiconductors}, month = {Apr}, number = {13}, pages = {136603+}, posted-at = {2006-12-17 19:54:58}, priority = {2}, publisher = {American Physical Society}, title = {Quantum Interference Control of Ballistic Pure Spin Currents in Semiconductors}, url = {http://dx.doi.org/10.1103/PhysRevLett.90.136603}, volume = {90}, year = {2003} }

TY - JOUR ID - citeulike:998773 L3 - citeulike-article-id:998773 N2 - We demonstrate all-optical quantum interference injection and control of a ballistic pure spin current ( without an accompanying charge current) in GaAs/AlGaAs quantum wells; consisting of spin-up electrons traveling in one direction and spin-down electrons traveling in the opposite direction. This current is generated through quantum interference of one- and two-photon absorption of ∼100  fs phase-locked pulses that have orthogonal linear polarizations. We use a spatially resolved pump-probe technique to measure carrier movement of ∼10  nm. Results agree with recent theoretical predictions. IS - 13 JF - Physical Review Letters TI - Quantum Interference Control of Ballistic Pure Spin Currents in Semiconductors PB - American Physical Society VL - 90 SP - 136603 KW - quantum-interference-control KW - semiconductors AU - Stevens, Martin AU - Smirl, Arthur AU - Bhat, RDR AU - Najmaie, Ali AU - Sipe, JE AU - van Driel, HM PY - 2003/Apr// UR - http://dx.doi.org/10.1103/PhysRevLett.90.136603 ER -