In-situ control of molecular beam epitaxial growth by spectral reflectivity analysis

@article{ author = { K. Biermann and Paul L. J. Helgers and A. Crespo-Poveda and A. S. Kuznetsov and A. Tahraoui and B. Röben and X. Lü and L. Schrottke and P. V. Santos and H. T. Grahn }, title = { In-situ control of molecular beam epitaxial growth by spectral reflectivity analysis }, journal = { Journal of Crystal Growth }, volume = { 557 }, year = { 2021 }, pages = { 125993 } }

TY - JOUR AU - K. Biermann AU - Paul L. J. Helgers AU - A. Crespo-Poveda AU - A. S. Kuznetsov AU - A. Tahraoui AU - B. Röben AU - X. Lü AU - L. Schrottke AU - P. V. Santos AU - H. T. Grahn TI - In-situ control of molecular beam epitaxial growth by spectral reflectivity analysis JF - Journal of Crystal Growth JA - J. Cryst. Growth J1 - JGC VL - 557 SP - 125993 PY - 2021/01/07

Effective group dispersion of terahertz quantum-cascade lasers

@article{ author = { B. Röben and X. Lü and K. Biermann and L. Schrottke and H. T. Grahn }, title = { Effective group dispersion of terahertz quantum-cascade lasers }, journal = { Journal of Physics D: Applied Physics }, volume = { 54 }, year = { 2020 }, pages = { 025110 } }

TY - JOUR AU - B. Röben AU - X. Lü AU - K. Biermann AU - L. Schrottke AU - H. T. Grahn TI - Effective group dispersion of terahertz quantum-cascade lasers JF - Journal of Physics D: Applied Physics JA - J. Phys. D: Appl. Phys. J1 - JPD VL - 54 SP - 025110 PY - 2020/10/22

High-performance GaAs/AlAs terahertz quantum-cascade lasers for spectroscopic applications

@article{ author = { L. Schrottke and X. Lü and B. Röben and K. Biermann and T. Hagelschuer and M. Wienold and H.-W. Hübers and M. Hannemann and J.-P. H. van Helden and J. Röpcke and H. T. Grahn }, title = { High-performance GaAs/AlAs terahertz quantum-cascade lasers for spectroscopic applications }, journal = { IEEE Transactions on Terahertz Science and Technology }, volume = { 10 }, year = { 2019 }, pages = { 133 } }

TY - JOUR AU - L. Schrottke AU - X. Lü AU - B. Röben AU - K. Biermann AU - T. Hagelschuer AU - M. Wienold AU - H.-W. Hübers AU - M. Hannemann AU - J.-P. H. van Helden AU - J. Röpcke AU - H. T. Grahn TI - High-performance GaAs/AlAs terahertz quantum-cascade lasers for spectroscopic applications JF - IEEE Transactions on Terahertz Science and Technology JA - IEEE Trans. Terahertz Sci. Technol. J1 - VL - 10 SP - 133 PY - 2019/12/06

A compact 4.75-THz source based on a quantum-cascade laser with a back-facet mirror

@article{ author = { T. Hagelschuer and H. Richter and M. Wienold and X. Lü and B. Röben and L. Schrottke and K. Biermann and H. T. Grahn and H.-W. Hübers }, title = { A compact 4.75-THz source based on a quantum-cascade laser with a back-facet mirror }, journal = { IEEE Transactions on Terahertz Science and Technology }, volume = { 9 }, year = { 2019 }, pages = { 606 } }

TY - JOUR AU - T. Hagelschuer AU - H. Richter AU - M. Wienold AU - X. Lü AU - B. Röben AU - L. Schrottke AU - K. Biermann AU - H. T. Grahn AU - H.-W. Hübers TI - A compact 4.75-THz source based on a quantum-cascade laser with a back-facet mirror JF - IEEE Transactions on Terahertz Science and Technology JA - IEEE Trans. Terahertz Sci. Technol. J1 - VL - 9 SP - 606 PY - 2019/08/14

Terahertz quantum-cascade lasers for high-resolution spectroscopy of sharp absorption lines

@article{ author = { B. Röben and X. Lü and K. Biermann and L. Schrottke and H. T. Grahn }, title = { Terahertz quantum-cascade lasers for high-resolution spectroscopy of sharp absorption lines }, journal = { Journal of Applied Physics }, volume = { 125 }, year = { 2019 }, pages = { 151613 } }

TY - JOUR AU - B. Röben AU - X. Lü AU - K. Biermann AU - L. Schrottke AU - H. T. Grahn TI - Terahertz quantum-cascade lasers for high-resolution spectroscopy of sharp absorption lines JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 125 SP - 151613 PY - 2019/04/05

Intrinsic frequency tuning of terahertz quantum-cascade lasers

@article{ author = { L. Schrottke and X. Lü and B. Röben and K. Biermann and M. Wienold and H. Richter and H.-W. Hübers and H. T. Grahn }, title = { Intrinsic frequency tuning of terahertz quantum-cascade lasers }, journal = { Journal of Applied Physics }, volume = { 123 }, year = { 2018 }, pages = { 213102 } }

TY - JOUR AU - L. Schrottke AU - X. Lü AU - B. Röben AU - K. Biermann AU - M. Wienold AU - H. Richter AU - H.-W. Hübers AU - H. T. Grahn TI - Intrinsic frequency tuning of terahertz quantum-cascade lasers JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 123 SP - 213102 PY - 2018/05/31

Terahertz quantum-cascade lasers as high-power and wideband, gapless sources for spectroscopy

@article{ author = { B. Röben and X. Lü and M. Hempel and K. Biermann and L. Schrottke and H. T. Grahn }, title = { Terahertz quantum-cascade lasers as high-power and wideband, gapless sources for spectroscopy }, journal = { Optics Express }, volume = { 25 }, year = { 2017 }, pages = { 16282 } }

TY - JOUR AU - B. Röben AU - X. Lü AU - M. Hempel AU - K. Biermann AU - L. Schrottke AU - H. T. Grahn TI - Terahertz quantum-cascade lasers as high-power and wideband, gapless sources for spectroscopy JF - Optics Express JA - Opt. Express J1 - VL - 25 SP - 16282 PY - 2017/06/29

Continuous tuning of two-section, single-mode terahertz quantum-cascade lasers by fiber-coupled, near-infrared illumination

@article{ author = { M. Hempel and B. Röben and M. Niehle and L. Schrottke and A. Trampert and H. T. Grahn }, title = { Continuous tuning of two-section, single-mode terahertz quantum-cascade lasers by fiber-coupled, near-infrared illumination }, journal = { AIP Advances }, volume = { 7 }, year = { 2017 }, pages = { 055201 } }

TY - JOUR AU - M. Hempel AU - B. Röben AU - M. Niehle AU - L. Schrottke AU - A. Trampert AU - H. T. Grahn TI - Continuous tuning of two-section, single-mode terahertz quantum-cascade lasers by fiber-coupled, near-infrared illumination JF - AIP Advances JA - AIP Adv. J1 - VL - 7 SP - 055201 PY - 2017/05/04

Multiple lobes in the far-field distribution of terahertz quantum-cascade lasers due to self-interference

@article{ author = { B. Röben and M. Wienold and L. Schrottke and H. T. Grahn }, title = { Multiple lobes in the far-field distribution of terahertz quantum-cascade lasers due to self-interference }, journal = { AIP Advances }, volume = { 6 }, year = { 2016 }, pages = { 065104 } }

TY - JOUR AU - B. Röben AU - M. Wienold AU - L. Schrottke AU - H. T. Grahn TI - Multiple lobes in the far-field distribution of terahertz quantum-cascade lasers due to self-interference JF - AIP Advances JA - AIP Adv. J1 - VL - 6 SP - 065104 PY - 2016/06/06

Fast continuous tuning of terahertz quantum-cascade lasers by rear facet illumination

@article{ author = { M. Hempel and B. Röben and L. Schrottke and H.-W. Hübers and H. T. Grahn }, title = { Fast continuous tuning of terahertz quantum-cascade lasers by rear facet illumination }, journal = { Applied Physics Letters }, volume = { 108 }, year = { 2016 }, pages = { 191106 } }

TY - JOUR AU - M. Hempel AU - B. Röben AU - L. Schrottke AU - H.-W. Hübers AU - H. T. Grahn TI - Fast continuous tuning of terahertz quantum-cascade lasers by rear facet illumination JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 108 SP - 191106 PY - 2016/05/10