Welcome to the Terahertz spectroscopy and Terahertz technology group at Ruhr-Universitaet Bochum

Publikationen / Publications

 

S. Markmann, H. Nong, S. Pal, T. Fobbe, N. Hekmat, R. A. Mohandas, P. Dean, L. LI, E. H. Linfield, A. G. Davies, A. D. Wieck, and N. Jukam, ”Two-dimensional coherent spectroscopy of a THz quantum cascade laser: observation of multiple harmonics”, Opt. Express 25, 21753 (2017).

F. Wang, H. Nong, T. Fobbe, V. Pistore, S. Houver, S. Markmann, N. Jukam, M. Amanti, C. Sirtori, S. Moumdji, R. Colombelli, Lianhe Li, E. Linfield, G. Davies, J. Mangeney, J. Tignon, and S. Dhillon, “Short Terahertz Pulse Generation from a Dispersion Compensated Modelocked Semiconductor Laser”, Laser Photonics Rev. 11, 1700013 (2017).

Tobias Fobbe, Sergej Markmann, Felix Fobbe, Negar Hekmat, Hanond Nong, Shovon Pal, Patrick Balzerwoski, Janne Savolainen, Martina Havenith, Andreas D. Wieck, and Nathan Jukam "Broadband terahertz dispersion control in hybrid waveguides", Optics Express 24, 22319-22333 (2016).

T. Fobbe, H. Nong, R. Schott, S. Pal, S. Markmann, N. Hekmat, J. Zhu, Y. Han, L. Li, P. Dean, E. H. Linfield, A. G. Davies, A. D. Wieck, and N. Jukam, Improving the Out-Coupling of a metal-metal THz frequency laser through integration of a hybrid mode section into the waveguide, J. Infrared Milli Terahz Waves, published online (2016). (DOI 10.1007/s10762-015-0239-4)

S. Markmann, H. Nong, S. Pal, N. Hekmat, S. Scholz, N. Kukharchyk, A. Ludwig, S. Dhillon, J. Tignon, X. Marcadet, C. Bock, U. Kunze, A.D. Wieck, and N. Jukam, Spectral modification of the laser emission of a THz quantum cascade laser induced by broad-band double pulse injection seeding, Appl. Phys. Lett. 107, 111103 (2015).

H. Nong, S. Pal, S. Markmann, N. Hekmat, R. A. Mohandas, P. Dean, L. Li, E. H. Linfield, A. G. Davies, A. D. Wieck, and N. Jukam, "Narrow-band injection seeding of a THz frequency quantum cascade laser: Selection and suppression of longitudinal modes", Appl. Phys. Lett. 105, 111113 (2014).

S. Pal, S. R. Valentin, N. Kukharchyk, H. Nong, A. B. Parsa, G. Eggeler, A. Ludwig, N. Jukam, and A.D. Wieck, "Infrared transmission spectroscopy of charge carriers in self-assembled InAs quantum dots under surface electric fields", J. Phys. Condens. Matter 26, 505801 (2014).

H. Nong, S. Pal, S. Markmann, N. Hekmat, R. A. Mohandas, P. Dean, L. Li, E. H. Linfield, A. G. Davies, A. D. Wieck and N. Jukam, "Narrow-band injection seeding of a terahertz frequency quantum cascade laser: Selection and suppression of longitudinal modes", Appl. Phys. Lett. 105, 111113 (2014)

S. Pal, S. R. Valentin, N. Kukharchyk, H. Nong, A. B. Parsa, G. Eggeler, A. Ludwig, N. Jukam, and A.D. Wieck, "Infrared transmission spectroscopy of charge carriers in self-assembled InAs quantum dots under surface electric fields", J. Phys. Condens. Matter 26, 505801 (2014)

R. Rungsawang, F. Perez, D. Oustinov, J. Gomez, V. Kolkovsky, G. Karczewski, Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, Terahertz Radiation from Magnetic Excitations in Diluted Magnetic Semiconductors, Physical Review Letters 110, 177203 (2013)

J. Maysonnave, K. Maussang, J. R. Freeman, N. Jukam, J. Madéo, P. Cavalié, R. Rungsawang, S.P. Khanna, E.H. Linfield, A.G. Davies, H.E. Beere, D.A. Ritchie, S.S. Dhillon, and J. Tignon, Mode-locking of a terahertz laser by direct phase synchronization, Optics Express, 20, 20855 (2012)

J.R. Freeman, J. Maysonnave, N. Jukam, P. Cavalié K. Maussang, H.E. Beere, D.A. Ritchie, J. Mangeney, S.S. Dhillon, and J. Tingnon, Direct Intensity sampling of a modelocked terahertz quantum cascade laser, Applied Physics Letters 101, 181115 (2012)

J. Madéo, P. Cavalié, J. R. Freeman, N. Jukam, J. Maysonnave, K. Maussang, H. E. Beere, D. A. Ritchie, C. Sirtori, J. Tignon and S. S. Dhillon, All-optical wavelength shifting in a semiconductor laser using resonant nonlinearities, Nature Photonics 6, 519 (2012)

J. Maysonnave, N. Jukam, S. Ibrahim, K. Maussang, R. Rungsawang, J. Madéo, P. Cavalié, E. H. Linfield, A. G. Davies, S. Dhillon and J. Tignon, Measuring the sampling coherence of the emission from a quantum cascade laser, Optics Express 20, 16662 (2012)

J. Maysonnave, N. Jukam, S. Ibrahim, K. Maussang, J. Madéo, P. Cavalié, E. H. Linfield, A. G. Davies, S. Dhillon and J. Tignon, "Integrated injection seeded terahertz source and ampflier for time-domain spectroscopy," Optics Letters 37, 733 (2012).

R. Rungsawang, N. Jukam, J. Maysonnave, P. Cavalié, J. Madeo, D. Oustinov, S. S. Dhillon, J. Tignon, P. Gellie, S. Barbieri, C. Sirtori, H. E. Beere, D. A. Ritchie, Gain enhancement in a terahertz quantum cascade laser with parylene anti-reflection coatings, Applied Physics Letters 98, 101102 (2011).

D.Oustinov, N. Jukam, R. Rungsawang, J. Madéo, S. Barbieri, P. Filloux, C. Sirtori, X. Marcadet, J. Tignon, and S. Dhillon, Phase seeding of a terahertz quantum cascade laser, Nature Communications 1, 69 (2010).

J. Madéo, N. Jukam, D. Oustinov, M. Rosticher, R. Rungsawang, J. Tignon, and S. Dhillon, Frequency tunable terahertz interdigitated photoconductive antennas, IEEE Electronics Letters 46, 611 (2010).

S. S. Dhillon, S. Sawallich, N. Jukam, D. Oustinov, J. Madéo, J. Tignon, S. Barbieri, P. Filloux, and C. Sirtori, and X. Marcadet, Integrated Terahertz pulse generation and amplification in quantum cascade lasers, Applied Physics Letters 96, 061107 (2010).

J. R. Freeman, J. Madéo, A. Brewer, S. Dhillon, O.P. Marshall, N. Jukam, D. Oustinov, J. Tignon, H.E. Beere, and D. A. Ritchie, Dual wavelength emission from a terahertz quantum cascade laser, Applied Physics Letters 96, 051120 (2010).

N. Jukam, S. S. Dhillon, D. Oustinov, J. Madéo, C. Manquest, S. Barbieri, C. Sirtori, S. P. Khanna, E. H. Linfield, A. G. Davies, and J. Tignon, Terahertz amplifier based on gain switching in a quantum cascade laser, Nature Photonics 3, 715 (2009).

N. Jukam, S. S. Dhillon, D. Oustinov, J. Tignon, R. Colombelli, P. Dean, M. Salih, S. Khanna, E. H. Linfield, and A.G. Davies, Terahertz time domain spectroscopy of phonon based depopulation quantum cascade lasers, Applied Physics Letters 94, 251108 (2009).

N. Jukam, S. S. Dhillon, D. Oustinov, S. Hameau, S. Barbieri, A.Vasanelli, P. Filloux, C. Sirtori, X. Marcadet, and J. Tignon, Investigation of spectral gain narrowing in bound-to-continiuum quantum cascades lasers using terahertz time domain spectroscopy, Applied Physics Letters 93, 101115 (2008).

N. Jukam, S.S. Dhillon, Z. Y. Zhao, G. Duerr, J. Armijo, N. Sirmons, S. Hameau, S. Barbieri, P. Filloux, C. Sirtori, X. Marcadet, and J. Tignon, Gain Measurements of THz quantum cascade lasers using THz time-domain spectroscopy, IEEE Journal of Selected Topics in Quantum Electronics 14, 436 (2008).

C. Yee, N. Jukam, and M. S. Sherwin, Transmission of single mode ultra thin terahertz photonic crystal slabs, Applied Physics Letters 91, 194104 (2007).

N. Jukam, C. Yee, M. S. Sherwin, I. Fushman, and J. Vuckovic, Patterned femtosecond laser excitation of terahertz leaky modes in GaAs photonic crystals, Applied Physics Letters 89, 241112 (2006).

N. Jukam, and Mark S. Sherwin, Two-dimensional terahertz photonic crystals fabricated by deep reactive ion etching in Si, Applied Physics Letters 83, 21 (2003).