Toward a compact THz local oscillator based on a quantum-cascade laser

@article{ author = { H. Richter and M. Greiner-Baer and S. G. Pavlov and A. D. Semenov and M. Wienold and L. Schrottke and M. Giehler and R. Hey and H.T. Grahn and H.-W. Hübers }, title = { Toward a compact THz local oscillator based on a quantum-cascade laser }, journal = { Proceedings of SPIE }, volume = { 7741 }, year = { 2010 }, pages = { 774111 } }

TY - JOUR AU - H. Richter AU - M. Greiner-Baer AU - S. G. Pavlov AU - A. D. Semenov AU - M. Wienold AU - L. Schrottke AU - M. Giehler AU - R. Hey AU - H.T. Grahn AU - H.-W. Hübers TI - Toward a compact THz local oscillator based on a quantum-cascade laser JF - Proceedings of SPIE JA - Proc. SPIE J1 - VL - 7741 SP - 774111 PY - 2010/01/01

Analysis of the slope efficiency for terahertz quantum-cascade lasers

@article{ author = { L. Schrottke and M. Wienold and M. Giehler and R. Hey and H.T. Grahn }, title = { Analysis of the slope efficiency for terahertz quantum-cascade lasers }, journal = { Journal of Applied Physics }, volume = { 108 }, year = { 2010 }, pages = { 103108 } }

TY - JOUR AU - L. Schrottke AU - M. Wienold AU - M. Giehler AU - R. Hey AU - H.T. Grahn TI - Analysis of the slope efficiency for terahertz quantum-cascade lasers JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 108 SP - 103108 PY - 2010/01/01

Low-voltage terahertz quantum-cascade lasers based on LO-phonon-assisted interminiband transitions

@article{ author = { M. Wienold and L. Schrottke and M. Giehler and R. Hey and W. Anders and H.T. Grahn }, title = { Low-voltage terahertz quantum-cascade lasers based on LO-phonon-assisted interminiband transitions }, journal = { Electronics Letters }, volume = { 45 }, year = { 2009 }, pages = { 1030 } }

TY - JOUR AU - M. Wienold AU - L. Schrottke AU - M. Giehler AU - R. Hey AU - W. Anders AU - H.T. Grahn TI - Low-voltage terahertz quantum-cascade lasers based on LO-phonon-assisted interminiband transitions JF - Electronics Letters JA - Electron. Lett. J1 - ElLe VL - 45 SP - 1030 PY - 2009/01/01

Quantum-cascade lasers operating at low electric field strengths

@article{ author = { L. Schrottke and M. Giehler and R. Hey and H.T. Grahn }, title = { Quantum-cascade lasers operating at low electric field strengths }, journal = { AIP Conference Proceedings }, volume = { 893 }, year = { 2007 }, pages = { 1447 } }

TY - JOUR AU - L. Schrottke AU - M. Giehler AU - R. Hey AU - H.T. Grahn TI - Quantum-cascade lasers operating at low electric field strengths JF - AIP Conference Proceedings JA - AIP Conf. Proc. J1 - VL - 893 SP - 1447 PY - 2007/01/01

Intra-miniband gain in a super-superlattice structure with alternating electric-field domains

@article{ author = { L. Schrottke and M. Giehler and H.T. Grahn }, title = { Intra-miniband gain in a super-superlattice structure with alternating electric-field domains }, journal = { Journal of Applied Physics }, volume = { 101 }, year = { 2007 }, pages = { 036101 } }

TY - JOUR AU - L. Schrottke AU - M. Giehler AU - H.T. Grahn TI - Intra-miniband gain in a super-superlattice structure with alternating electric-field domains JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 101 SP - 036101 PY - 2007/01/01

Vertical transport in all-binary GaAs/AlAs short-period superlattices and carrier trapping and detrapping dynamics by different quantum wells

@article{ author = { K. Fujiwara and A. Satake and L. Schrottke and R. Hey and H.T. Grahn }, title = { Vertical transport in all-binary GaAs/AlAs short-period superlattices and carrier trapping and detrapping dynamics by different quantum wells }, journal = { Physica Status Solidi B }, volume = { 244 }, year = { 2007 }, pages = { 2926 } }

TY - JOUR AU - K. Fujiwara AU - A. Satake AU - L. Schrottke AU - R. Hey AU - H.T. Grahn TI - Vertical transport in all-binary GaAs/AlAs short-period superlattices and carrier trapping and detrapping dynamics by different quantum wells JF - Physica Status Solidi B JA - Phys. Status Solidi B J1 - PSSB VL - 244 SP - 2926 PY - 2007/01/01

The impact of the operating field strength on the lasing properties of GaAs/(Al,Ga)As quantum-cascade lasers

@article{ author = { L. Schrottke and M. Giehler and R. Hey and H.T. Grahn }, title = { The impact of the operating field strength on the lasing properties of GaAs/(Al,Ga)As quantum-cascade lasers }, journal = { Journal of Applied Physics }, volume = { 100 }, year = { 2006 }, pages = { 053102 } }

TY - JOUR AU - L. Schrottke AU - M. Giehler AU - R. Hey AU - H.T. Grahn TI - The impact of the operating field strength on the lasing properties of GaAs/(Al,Ga)As quantum-cascade lasers JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 100 SP - 053102 PY - 2006/01/01

Correlation between subband population and threshold current densities in GaAs/(Al,Ga)As quantum-cascade structures/lasers with different barrier heights

@article{ author = { L. Schrottke and S. L. Lu and R. Hey and M. Giehler and H.T. Grahn }, title = { Correlation between subband population and threshold current densities in GaAs/(Al,Ga)As quantum-cascade structures/lasers with different barrier heights }, journal = { Physica E: Low-dimensional Systems and Nanostructures }, volume = { 32 }, year = { 2006 }, pages = { 293 } }

TY - JOUR AU - L. Schrottke AU - S. L. Lu AU - R. Hey AU - M. Giehler AU - H.T. Grahn TI - Correlation between subband population and threshold current densities in GaAs/(Al,Ga)As quantum-cascade structures/lasers with different barrier heights JF - Physica E: Low-dimensional Systems and Nanostructures JA - Physica E (Amsterdam) J1 - PhE VL - 32 SP - 293 PY - 2006/01/01

Formation of electric-field domains in GaAs/Al_xGa_1-xAs quantum cascade laser structures

@article{ author = { S. L. Lu and L. Schrottke and S. W. Teitsworth and R. Hey and H.T. Grahn }, title = { Formation of electric-field domains in GaAs/Al_xGa_1-xAs quantum cascade laser structures }, journal = { Physical Review B: Solid State }, volume = { 73 }, year = { 2006 }, pages = { 033311 } }

TY - JOUR AU - S. L. Lu AU - L. Schrottke AU - S. W. Teitsworth AU - R. Hey AU - H.T. Grahn TI - Formation of electric-field domains in GaAs/Al_xGa_1-xAs quantum cascade laser structures JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 73 SP - 033311 PY - 2006/01/01

Negative differential conductance and bistability in undoped GaAs/(Al,Ga)As quantum-cascade structures

@article{ author = { S. L. Lu and L. Schrottke and S. W. Teitsworth and R. Hey and H.T. Grahn }, title = { Negative differential conductance and bistability in undoped GaAs/(Al,Ga)As quantum-cascade structures }, journal = { Journal of Applied Physics }, volume = { 100 }, year = { 2006 }, pages = { 023701 } }

TY - JOUR AU - S. L. Lu AU - L. Schrottke AU - S. W. Teitsworth AU - R. Hey AU - H.T. Grahn TI - Negative differential conductance and bistability in undoped GaAs/(Al,Ga)As quantum-cascade structures JF - Journal of Applied Physics JA - J. Appl. Phys. J1 - JAP VL - 100 SP - 023701 PY - 2006/01/01