Sub-diffraction optical coherent control of ultrafast electrical currents in antenna devices on GaAs

Sebastian Thunich; Claudia Ruppert; Alexander W. Holleitner; Markus Betz

doi:10.1063/1.4773028

Sub-diffraction optical coherent control of ultrafast electrical currents in antenna devices on GaAs

Applied Physics Letters ◽

10.1063/1.4773028 ◽

2012 ◽

Vol 101 (25) ◽

pp. 251119 ◽

Cited By ~ 1

Author(s):

Sebastian Thunich ◽

Claudia Ruppert ◽

Alexander W. Holleitner ◽

Markus Betz

Keyword(s):

Coherent Control ◽

Electrical Currents

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Coherent control of electrical currents in semiconductor nanowires/-tubes

physica status solidi (c) ◽

10.1002/pssc.201000819 ◽

2011 ◽

Vol 8 (4) ◽

pp. 1224-1226 ◽

Cited By ~ 1

Author(s):

Markus Betz ◽

Claudia Ruppert ◽

Sebastian Thunich ◽

Ryan Newson ◽

Jean-Michel Ménard ◽

...

Keyword(s):

Coherent Control ◽

Semiconductor Nanowires ◽

Electrical Currents

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All-optical Coherent Control of Electrical Currents in Single GaAs Nanowires

International Conference on Ultrafast Phenomena ◽

10.1364/up.2010.thc6 ◽

2010 ◽

Author(s):

C. Ruppert ◽

S. Thunich ◽

G. Abstreiter ◽

A. Fontcuberta i Morral ◽

A. W. Holleitner ◽

...

Keyword(s):

Coherent Control ◽

Electrical Currents ◽

Gaas Nanowires ◽

All Optical

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All-optical coherent control of electrical currents in centrosymmetric semiconductors

Physical Review B ◽

10.1103/physrevb.77.085201 ◽

2008 ◽

Vol 77 (8) ◽

Cited By ~ 28

Author(s):

Marko Spasenović ◽

Markus Betz ◽

Louis Costa ◽

Henry M. van Driel

Keyword(s):

Coherent Control ◽

Electrical Currents ◽

All Optical

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Immunogold localization of calmodulin in root caps of the maize Cultivar Merit

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100160923 ◽

1990 ◽

Vol 48 (3) ◽

pp. 674-675

Author(s):

P.T. Nguyen ◽

C. Uphoff ◽

C.L. Stinemetz

Keyword(s):

Calcium Binding ◽

Calcium Transport ◽

Primary Role ◽

Immunogold Localization ◽

Root Tips ◽

Electrical Currents ◽

Considerable Evidence ◽

Maize Cultivar ◽

Gravity Response ◽

Induced Changes

Considerable evidence suggest that the calcium-binding protein calmodulin (CaM) may mediate calcium action and/or transport important in the gravity response of plants. Calmodulin is present in both shoots and roots and is capable of regulating calcium transport in plant vesicles. In roots calmodulin is concentrated in the tip, the gravisensing region of the root; and is reported to be closely associated with amyloplasts, organelles suggested to play a primary role in gravi-perception. Inhibitors of CaM such as chlorpromazine, calmidazolium, and compound 48/80 interfere with the gravitropic response of both snoots and roots. The magnitude of the inhibition corresponded well with the extent to which the drug binds to endogenous CaM. Compound 48/80 and calmidazolium block gravi-induced changes in electrical currents across root tips, a phenomenon thought to be associated with the sensing of the gravity stimulus.In this study, we have investigated the subcellular distribution of CaM in graviresponsive and non-graviresponsive root caps of the maize cultivar Merit.

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