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Terahertz Quantum Plasmonics of Nanoslot Antennas in Nonlinear Regime.

Nano letters

Kim JY, Kang BJ, Park J, Bahk YM, Kim WT, Rhie J, Jeon H, Rotermund F, Kim DS.
PMID: 26372787
Nano Lett. 2015 Oct 14;15(10):6683-8. doi: 10.1021/acs.nanolett.5b02505. Epub 2015 Sep 22.

Quantum tunneling in plasmonic nanostructures has presented an interesting aspect of incorporating quantum mechanics into classical optics. However, the study has been limited to the subnanometer gap regime. Here, we newly extend quantum plasmonics to gap widths well over...

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Kim JY, Kang BJ, Park J, et al. Terahertz Quantum Plasmonics of Nanoslot Antennas in Nonlinear Regime. Nano Lett. 2015;15(10):6683-8doi: 10.1021/acs.nanolett.5b02505.
Kim, J. Y., Kang, B. J., Park, J., Bahk, Y. M., Kim, W. T., Rhie, J., Jeon, H., Rotermund, F., & Kim, D. S. (2015). Terahertz Quantum Plasmonics of Nanoslot Antennas in Nonlinear Regime. Nano letters, 15(10), 6683-8. https://doi.org/10.1021/acs.nanolett.5b02505
Kim, Joon-Yeon, et al. "Terahertz Quantum Plasmonics of Nanoslot Antennas in Nonlinear Regime." Nano letters vol. 15,10 (2015): 6683-8. doi: https://doi.org/10.1021/acs.nanolett.5b02505
Kim JY, Kang BJ, Park J, Bahk YM, Kim WT, Rhie J, Jeon H, Rotermund F, Kim DS. Terahertz Quantum Plasmonics of Nanoslot Antennas in Nonlinear Regime. Nano Lett. 2015 Oct 14;15(10):6683-8. doi: 10.1021/acs.nanolett.5b02505. Epub 2015 Sep 22. PMID: 26372787.
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Highly nonlinear organic crystal OHQ-T for efficient ultra-broadband terahertz wave generation beyond 10 THz.

Optics express

Kang BJ, Baek IH, Lee SH, Kim WT, Lee SJ, Jeong YU, Kwon OP, Rotermund F.
PMID: 27409928
Opt Express. 2016 May 16;24(10):11054-61. doi: 10.1364/OE.24.011054.

We report on efficient generation of ultra-broadband terahertz (THz) waves via optical rectification in a novel nonlinear organic crystal with acentric core structure, i.e. 2-(4-hydroxystyryl)-1-methylquinolinium 4-methylbenzenesulfonate (OHQ-T), which possesses an ideal molecular structure leading to a maximized nonlinear optical...

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Kang BJ, Baek IH, Lee SH, et al. Highly nonlinear organic crystal OHQ-T for efficient ultra-broadband terahertz wave generation beyond 10 THz. Opt Express. 2016;24(10):11054-61doi: 10.1364/OE.24.011054.
Kang, B. J., Baek, I. H., Lee, S. H., Kim, W. T., Lee, S. J., Jeong, Y. U., Kwon, O. P., & Rotermund, F. (2016). Highly nonlinear organic crystal OHQ-T for efficient ultra-broadband terahertz wave generation beyond 10 THz. Optics express, 24(10), 11054-61. https://doi.org/10.1364/OE.24.011054
Kang, Bong Joo, et al. "Highly nonlinear organic crystal OHQ-T for efficient ultra-broadband terahertz wave generation beyond 10 THz." Optics express vol. 24,10 (2016): 11054-61. doi: https://doi.org/10.1364/OE.24.011054
Kang BJ, Baek IH, Lee SH, Kim WT, Lee SJ, Jeong YU, Kwon OP, Rotermund F. Highly nonlinear organic crystal OHQ-T for efficient ultra-broadband terahertz wave generation beyond 10 THz. Opt Express. 2016 May 16;24(10):11054-61. doi: 10.1364/OE.24.011054. PMID: 27409928.
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Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback.

Physical review. E, Statistical, nonlinear, and soft matter physics

Bertram M, Beta C, Pollmann M, Mikhailov AS, Rotermund HH, Ertl G.
PMID: 12689154
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Mar;67(3):036208. doi: 10.1103/PhysRevE.67.036208. Epub 2003 Mar 25.

Experiments with catalytic oxidation of carbon monoxide on Pt(110) show that chemical turbulence in this system can be suppressed by application of appropriate global delayed feedback. Different spatiotemporal patterns, seen near the transition from turbulence to uniform oscillations, are...

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Bertram M, Beta C, Pollmann M, et al. Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback. Phys Rev E Stat Nonlin Soft Matter Phys. 2003;67(3):036208doi: 10.1103/PhysRevE.67.036208.
Bertram, M., Beta, C., Pollmann, M., Mikhailov, A. S., Rotermund, H. H., & Ertl, G. (2003). Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback. Physical review. E, Statistical, nonlinear, and soft matter physics, 67(3), 036208. https://doi.org/10.1103/PhysRevE.67.036208
Bertram, Matthias, et al. "Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 67,3 (2003): 036208. doi: https://doi.org/10.1103/PhysRevE.67.036208
Bertram M, Beta C, Pollmann M, Mikhailov AS, Rotermund HH, Ertl G. Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback. Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Mar;67(3):036208. doi: 10.1103/PhysRevE.67.036208. Epub 2003 Mar 25. PMID: 12689154.
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Oscillatory thermomechanical instability of an ultrathin catalyst.

Science (New York, N.Y.)

Cirak F, Cisternas JE, Cuitiño AM, Ertl G, Holmes P, Kevrekidis IG, Ortiz M, Rotermund HH, Schunack M, Wolff J.
PMID: 12817145
Science. 2003 Jun 20;300(5627):1932-6. doi: 10.1126/science.1083909.

Because of the small thermal capacity of ultrathin ( approximately 200 nanometers) metal single crystals, it is possible to explore the coupling of catalytic and thermal action at low pressures. We analyzed a chemothermomechanical instability in this regime, in...

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Cirak F, Cisternas JE, Cuitiño AM, et al. Oscillatory thermomechanical instability of an ultrathin catalyst. Science. 2003;300(5627):1932-6doi: 10.1126/science.1083909.
Cirak, F., Cisternas, J. E., Cuitiño, A. M., Ertl, G., Holmes, P., Kevrekidis, I. G., Ortiz, M., Rotermund, H. H., Schunack, M., & Wolff, J. (2003). Oscillatory thermomechanical instability of an ultrathin catalyst. Science (New York, N.Y.), 300(5627), 1932-6. https://doi.org/10.1126/science.1083909
Cirak, Fehmi, et al. "Oscillatory thermomechanical instability of an ultrathin catalyst." Science (New York, N.Y.) vol. 300,5627 (2003): 1932-6. doi: https://doi.org/10.1126/science.1083909
Cirak F, Cisternas JE, Cuitiño AM, Ertl G, Holmes P, Kevrekidis IG, Ortiz M, Rotermund HH, Schunack M, Wolff J. Oscillatory thermomechanical instability of an ultrathin catalyst. Science. 2003 Jun 20;300(5627):1932-6. doi: 10.1126/science.1083909. PMID: 12817145.
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Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber.

Optics letters

Cho WB, Yim JH, Choi SY, Lee S, Griebner U, Petrov V, Rotermund F.
PMID: 18978883
Opt Lett. 2008 Nov 01;33(21):2449-51. doi: 10.1364/ol.33.002449.

We report what we believe to be the first passive mode-locking of Cr:forsterite laser using a single-walled carbon nanotube saturable absorber (SWCNT-SA). The dispersion-compensated Cr:forsterite laser in a self-starting configuration produces nearly Fourier transform-limited pulses as short as 120...

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Cho WB, Yim JH, Choi SY, et al. Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber. Opt Lett. 2008;33(21):2449-51doi: 10.1364/ol.33.002449.
Cho, W. B., Yim, J. H., Choi, S. Y., Lee, S., Griebner, U., Petrov, V., & Rotermund, F. (2008). Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber. Optics letters, 33(21), 2449-51. https://doi.org/10.1364/ol.33.002449
Cho, Won Bae, et al. "Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber." Optics letters vol. 33,21 (2008): 2449-51. doi: https://doi.org/10.1364/ol.33.002449
Cho WB, Yim JH, Choi SY, Lee S, Griebner U, Petrov V, Rotermund F. Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber. Opt Lett. 2008 Nov 01;33(21):2449-51. doi: 10.1364/ol.33.002449. PMID: 18978883.
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Optical imaging of pattern formation: reflection anisotropy microscopy applied to globally coupled oscillatory CO-oxidation.

Physical chemistry chemical physics : PCCP

Punckt C, Rotermund HH.
PMID: 17612727
Phys Chem Chem Phys. 2007 Jul 21;9(27):3635-40. doi: 10.1039/b701530p. Epub 2007 May 15.

A reflection anisotropy microscope (RAM) creates the contrast in its images from a change in the polarization orientation of reflected light from a surface. This may stem from local variations of the reconstruction of a surface, being initiated by...

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Punckt C, Rotermund HH. Optical imaging of pattern formation: reflection anisotropy microscopy applied to globally coupled oscillatory CO-oxidation. Phys Chem Chem Phys. 2007;9(27):3635-40doi: 10.1039/b701530p.
Punckt, C., & Rotermund, H. H. (2007). Optical imaging of pattern formation: reflection anisotropy microscopy applied to globally coupled oscillatory CO-oxidation. Physical chemistry chemical physics : PCCP, 9(27), 3635-40. https://doi.org/10.1039/b701530p
Punckt, Christian, and Rotermund, Harm Hinrich. "Optical imaging of pattern formation: reflection anisotropy microscopy applied to globally coupled oscillatory CO-oxidation." Physical chemistry chemical physics : PCCP vol. 9,27 (2007): 3635-40. doi: https://doi.org/10.1039/b701530p
Punckt C, Rotermund HH. Optical imaging of pattern formation: reflection anisotropy microscopy applied to globally coupled oscillatory CO-oxidation. Phys Chem Chem Phys. 2007 Jul 21;9(27):3635-40. doi: 10.1039/b701530p. Epub 2007 May 15. PMID: 17612727.
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All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber.

Optics express

Im JH, Choi SY, Rotermund F, Yeom DI.
PMID: 20941115
Opt Express. 2010 Oct 11;18(21):22141-6. doi: 10.1364/OE.18.022141.

We report on an Er-doped fiber pulse laser at large net normal dispersion cavity by employing a dispersion compensating fiber in combination with a single-walled carbon nanotube (SWCNT) saturable absorber. A SWCNT/polymer composite film uniformly spin-coated on the side-polished...

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Im JH, Choi SY, Rotermund F, et al. All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber. Opt Express. 2010;18(21):22141-6doi: 10.1364/OE.18.022141.
Im, J. H., Choi, S. Y., Rotermund, F., & Yeom, D. I. (2010). All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber. Optics express, 18(21), 22141-6. https://doi.org/10.1364/OE.18.022141
Im, Ju Hee, et al. "All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber." Optics express vol. 18,21 (2010): 22141-6. doi: https://doi.org/10.1364/OE.18.022141
Im JH, Choi SY, Rotermund F, Yeom DI. All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber. Opt Express. 2010 Oct 11;18(21):22141-6. doi: 10.1364/OE.18.022141. PMID: 20941115.
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Femtosecond parametric generation in ZnGeP(2).

Optics letters

Petrov V, Rotermund F, Noack F, Schunemann P.
PMID: 18071524
Opt Lett. 1999 Mar 15;24(6):414-6. doi: 10.1364/ol.24.000414.

We report traveling-wave optical parametric generation in short (2-mm) ZnGeP(2) samples with reduced anomalous absorption, using femtosecond pump pulses near 2 mum . The signal and the idler waves generated could be tuned from 2.5 to 10 mum ,...

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Petrov V, Rotermund F, Noack F, et al. Femtosecond parametric generation in ZnGeP(2). Opt Lett. 1999;24(6):414-6doi: 10.1364/ol.24.000414.
Petrov, V., Rotermund, F., Noack, F., & Schunemann, P. (1999). Femtosecond parametric generation in ZnGeP(2). Optics letters, 24(6), 414-6. https://doi.org/10.1364/ol.24.000414
Petrov, V, et al. "Femtosecond parametric generation in ZnGeP(2)." Optics letters vol. 24,6 (1999): 414-6. doi: https://doi.org/10.1364/ol.24.000414
Petrov V, Rotermund F, Noack F, Schunemann P. Femtosecond parametric generation in ZnGeP(2). Opt Lett. 1999 Mar 15;24(6):414-6. doi: 10.1364/ol.24.000414. PMID: 18071524.
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Marginally subcritical dynamics explain enhanced stimulus discriminability under attention.

Frontiers in systems neuroscience

Tomen N, Rotermund D, Ernst U.
PMID: 25202240
Front Syst Neurosci. 2014 Aug 25;8:151. doi: 10.3389/fnsys.2014.00151. eCollection 2014.

Recent experimental and theoretical work has established the hypothesis that cortical neurons operate close to a critical state which describes a phase transition from chaotic to ordered dynamics. Critical dynamics are suggested to optimize several aspects of neuronal information...

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Tomen N, Rotermund D, Ernst U. Marginally subcritical dynamics explain enhanced stimulus discriminability under attention. Front Syst Neurosci. 2014;8:151doi: 10.3389/fnsys.2014.00151.
Tomen, N., Rotermund, D., & Ernst, U. (2014). Marginally subcritical dynamics explain enhanced stimulus discriminability under attention. Frontiers in systems neuroscience, 8151. https://doi.org/10.3389/fnsys.2014.00151
Tomen, Nergis, et al. "Marginally subcritical dynamics explain enhanced stimulus discriminability under attention." Frontiers in systems neuroscience vol. 8 (2014): 151. doi: https://doi.org/10.3389/fnsys.2014.00151
Tomen N, Rotermund D, Ernst U. Marginally subcritical dynamics explain enhanced stimulus discriminability under attention. Front Syst Neurosci. 2014 Aug 25;8:151. doi: 10.3389/fnsys.2014.00151. eCollection 2014. PMID: 25202240; PMCID: PMC4142542.
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Toward higher-order passive harmonic mode-locking of a soliton fiber laser.

Optics letters

Jun CS, Choi SY, Rotermund F, Kim BY, Yeom DI.
PMID: 22660054
Opt Lett. 2012 Jun 01;37(11):1862-4. doi: 10.1364/OL.37.001862.

We report >13 MHz/mW pump power efficiency in increasing the repetition rate of passive harmonic mode-locking by engineering the soliton pulse energy in Er fiber lasers incorporating carbon nanotube saturable absorber. Stable pulses with a ∼5 GHz repetition rate...

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Jun CS, Choi SY, Rotermund F, et al. Toward higher-order passive harmonic mode-locking of a soliton fiber laser. Opt Lett. 2012;37(11):1862-4doi: 10.1364/OL.37.001862.
Jun, C. S., Choi, S. Y., Rotermund, F., Kim, B. Y., & Yeom, D. I. (2012). Toward higher-order passive harmonic mode-locking of a soliton fiber laser. Optics letters, 37(11), 1862-4. https://doi.org/10.1364/OL.37.001862
Jun, Chang Su, et al. "Toward higher-order passive harmonic mode-locking of a soliton fiber laser." Optics letters vol. 37,11 (2012): 1862-4. doi: https://doi.org/10.1364/OL.37.001862
Jun CS, Choi SY, Rotermund F, Kim BY, Yeom DI. Toward higher-order passive harmonic mode-locking of a soliton fiber laser. Opt Lett. 2012 Jun 01;37(11):1862-4. doi: 10.1364/OL.37.001862. PMID: 22660054.
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New microarchitectures of (Er,Yb):Lu2O3 nanocrystals embedded in PMMA: synthesis, structural characterization, and luminescent properties.

Nanoscale research letters

Galceran M, Pujol MC, Carvajal JJ, Mateos X, Formentín P, Pallarès J, Marsal LF, Park KH, Rotermund F, Kim K, Aguiló M, Díaz F.
PMID: 24034270
Nanoscale Res Lett. 2013 Sep 13;8(1):385. doi: 10.1186/1556-276X-8-385.

We report the formation of two-dimensional disordered arrays of poly(methyl)methacrylate (PMMA) microcolumns with embedded single size distribution of Lu0.990Er0.520Yb0.490 nanocrystals, (Er,Yb):Lu2O3, using a disordered porous silicon template. The cubic (Er,Yb):Lu2O3 nanocrystals, which crystallize into the cubic system with Ia3¯...

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Galceran M, Pujol MC, Carvajal JJ, et al. New microarchitectures of (Er,Yb):Lu2O3 nanocrystals embedded in PMMA: synthesis, structural characterization, and luminescent properties. Nanoscale Res Lett. 2013;8(1):385doi: 10.1186/1556-276X-8-385.
Galceran, M., Pujol, M. C., Carvajal, J. J., Mateos, X., Formentín, P., Pallarès, J., Marsal, L. F., Park, K. H., Rotermund, F., Kim, K., Aguiló, M., & Díaz, F. (2013). New microarchitectures of (Er,Yb):Lu2O3 nanocrystals embedded in PMMA: synthesis, structural characterization, and luminescent properties. Nanoscale research letters, 8(1), 385. https://doi.org/10.1186/1556-276X-8-385
Galceran, Montserrat, et al. "New microarchitectures of (Er,Yb):Lu2O3 nanocrystals embedded in PMMA: synthesis, structural characterization, and luminescent properties." Nanoscale research letters vol. 8,1 (2013): 385. doi: https://doi.org/10.1186/1556-276X-8-385
Galceran M, Pujol MC, Carvajal JJ, Mateos X, Formentín P, Pallarès J, Marsal LF, Park KH, Rotermund F, Kim K, Aguiló M, Díaz F. New microarchitectures of (Er,Yb):Lu2O3 nanocrystals embedded in PMMA: synthesis, structural characterization, and luminescent properties. Nanoscale Res Lett. 2013 Sep 13;8(1):385. doi: 10.1186/1556-276X-8-385. PMID: 24034270; PMCID: PMC3847838.
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Observation of front bifurcations in controlled geometries: From one to two dimensions.

Physical review letters

Bär M, Ertl G, Haas G, Kevrekidis IG, Rasmussen PB, Rotermund H.
PMID: 10059617
Phys Rev Lett. 1995 Nov 06;75(19):3560-3563. doi: 10.1103/PhysRevLett.75.3560.

No abstract available.

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Bär M, Ertl G, Haas G, et al. Observation of front bifurcations in controlled geometries: From one to two dimensions. Phys Rev Lett. 1995;75(19):3560-3563doi: 10.1103/PhysRevLett.75.3560.
Bär, M., Ertl, G., Haas, G., Kevrekidis, I. G., Rasmussen, P. B., & Rotermund, H. (1995). Observation of front bifurcations in controlled geometries: From one to two dimensions. Physical review letters, 75(19), 3560-3563. https://doi.org/10.1103/PhysRevLett.75.3560
Bär, et al. "Observation of front bifurcations in controlled geometries: From one to two dimensions." Physical review letters vol. 75,19 (1995): 3560-3563. doi: https://doi.org/10.1103/PhysRevLett.75.3560
Bär M, Ertl G, Haas G, Kevrekidis IG, Rasmussen PB, Rotermund H. Observation of front bifurcations in controlled geometries: From one to two dimensions. Phys Rev Lett. 1995 Nov 06;75(19):3560-3563. doi: 10.1103/PhysRevLett.75.3560. PMID: 10059617.
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Showing 1 to 12 of 168 entries