A 3.5-THz, ×6-Harmonic, Single-Ended Schottky Diode Mixer for Frequency Stabilization of Quantum-Cascade Lasers

@article{ author = { D. Jayasankar and V. Drakinskiy and N. Rothbart and H. Richter and X. Lü and L. Schrottke and H. T. Grahn and M. Wienold and H.-W. Hübers and P. Sobis and J. Stake }, title = { A 3.5-THz, ×6-Harmonic, Single-Ended Schottky Diode Mixer for Frequency Stabilization of Quantum-Cascade Lasers }, journal = { IEEE Transactions on Terahertz Science and Technology }, volume = { 11 }, year = { 2021 }, pages = { 684 } }

TY - JOUR AU - D. Jayasankar AU - V. Drakinskiy AU - N. Rothbart AU - H. Richter AU - X. Lü AU - L. Schrottke AU - H. T. Grahn AU - M. Wienold AU - H.-W. Hübers AU - P. Sobis AU - J. Stake TI - A 3.5-THz, ×6-Harmonic, Single-Ended Schottky Diode Mixer for Frequency Stabilization of Quantum-Cascade Lasers JF - IEEE Transactions on Terahertz Science and Technology JA - IEEE Trans. Terahertz Sci. Technol. J1 - VL - 11 SP - 684 PY - 2021/09/27

Correlation between frequency and location on the wafer for terahertz quantum-cascade lasers

@article{ author = { X. Lü and B. Röben and L. Schrottke and K. Biermann and H. T. Grahn }, title = { Correlation between frequency and location on the wafer for terahertz quantum-cascade lasers }, journal = { Semiconductor Science and Technology }, volume = { 36 }, year = { 2021 }, pages = { 035012 } }

TY - JOUR AU - X. Lü AU - B. Röben AU - L. Schrottke AU - K. Biermann AU - H. T. Grahn TI - Correlation between frequency and location on the wafer for terahertz quantum-cascade lasers JF - Semiconductor Science and Technology JA - Semicond. Sci. Technol. J1 - SST VL - 36 SP - 035012 PY - 2021/02/05

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

Terahertz spectroscopy using quantum-cascade lasers

@article{ author = { H.-W. Hübers and H. Richter and M. Wienold and X. Lü and L. Schrottke and H. T. Grahn }, title = { Terahertz spectroscopy using quantum-cascade lasers }, journal = { Photoniques }, volume = { 101 }, year = { 2020 }, pages = { 27 } }

TY - JOUR AU - H.-W. Hübers AU - H. Richter AU - M. Wienold AU - X. Lü AU - L. Schrottke AU - H. T. Grahn TI - Terahertz spectroscopy using quantum-cascade lasers JF - Photoniques JA - Photoniques J1 - VL - 101 SP - 27 PY - 2020/04/29

Coaxial GaAs/(In,Ga)As dot-in-a-well nanowire heterostructures for electrically driven infrared light generation on Si in the telecommunication O band

@article{ author = { J. Herranz and P. Corfdir and E. Luna and U. Jahn and R. B. Lewis and L. Schrottke and J. Lähnemann and A. Tahraoui and A. Trampert and O. Brandt and L. Geelhaar }, title = { Coaxial GaAs/(In,Ga)As dot-in-a-well nanowire heterostructures for electrically driven infrared light generation on Si in the telecommunication O band }, journal = { ACS Applied Nano Materials }, volume = { 3 }, year = { 2020 }, pages = { 165 } }

TY - JOUR AU - J. Herranz AU - P. Corfdir AU - E. Luna AU - U. Jahn AU - R. B. Lewis AU - L. Schrottke AU - J. Lähnemann AU - A. Tahraoui AU - A. Trampert AU - O. Brandt AU - L. Geelhaar TI - Coaxial GaAs/(In,Ga)As dot-in-a-well nanowire heterostructures for electrically driven infrared light generation on Si in the telecommunication O band JF - ACS Applied Nano Materials JA - ACS Appl. Nano Mater. J1 - VL - 3 SP - 165 PY - 2020/01/24

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

Frequency and power stabilization of a terahertz quantum-cascade laser using near-infrared optical excitation

@article{ author = { T. Alam and M. Wienold and X. Lü and K. Biermann and L. Schrottke and H. T. Grahn and H.-W. Hübers }, title = { Frequency and power stabilization of a terahertz quantum-cascade laser using near-infrared optical excitation }, journal = { Optics Express }, volume = { 27 }, year = { 2019 }, pages = { 36846 } }

TY - JOUR AU - T. Alam AU - M. Wienold AU - X. Lü AU - K. Biermann AU - L. Schrottke AU - H. T. Grahn AU - H.-W. Hübers TI - Frequency and power stabilization of a terahertz quantum-cascade laser using near-infrared optical excitation JF - Optics Express JA - Opt. Express J1 - VL - 27 SP - 36846 PY - 2019/12/04

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