THz generation at 1.55 µm excitation: six-fold increase in THz conversion efficiency by separated photoconductive and trapping regions

P. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photon. Rev. 5(1), 124–166 (2011), http://onlinelibrary.wiley.com/doi/10.1002/lpor.201000011/abstract .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs terahertz emitters for 1.56 µm wavelength excitation,” Appl. Phys. Lett. 86(5), 051104 (2005), http://link.aip.org/link/doi/10.1063/1.1861495 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 μm femtosecond optical pulses,” Appl. Phys. Lett. 86(16), 163504 (2005), http://link.aip.org/link/doi/10.1063/1.1901817 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

S. Matsuura, M. Tani, and K. Sakai, “Generation of coherent terahertz radiation by photomixing in dipole photoconductive antennas,” Appl. Phys. Lett. 70(5), 559–561 (1997), http://link.aip.org/link/doi/10.1063/1.118337 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

P. U. Jepsen, R. H. Jacobsen, and S. R. Keiding, “Generation and detection of terahertz pulses from biased semiconductor antennas,” J. Opt. Soc. Am. B 13(11), 2424–2436 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=josab-13-11-2424 .
[Crossref]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

P. R. Smith, D. H. Auston, and M. C. Nuss, “Subpicosecond photoconducting dipole antennas,” IEEE J. Quantum Electron. 24(2), 255–260 (1988), http://dx.doi.org/10.1109/3.121 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

P. R. Smith, D. H. Auston, and M. C. Nuss, “Subpicosecond photoconducting dipole antennas,” IEEE J. Quantum Electron. 24(2), 255–260 (1988), http://dx.doi.org/10.1109/3.121 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

P. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photon. Rev. 5(1), 124–166 (2011), http://onlinelibrary.wiley.com/doi/10.1002/lpor.201000011/abstract .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

P. U. Jepsen, R. H. Jacobsen, and S. R. Keiding, “Generation and detection of terahertz pulses from biased semiconductor antennas,” J. Opt. Soc. Am. B 13(11), 2424–2436 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=josab-13-11-2424 .
[Crossref]

P. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photon. Rev. 5(1), 124–166 (2011), http://onlinelibrary.wiley.com/doi/10.1002/lpor.201000011/abstract .
[Crossref]

P. U. Jepsen, R. H. Jacobsen, and S. R. Keiding, “Generation and detection of terahertz pulses from biased semiconductor antennas,” J. Opt. Soc. Am. B 13(11), 2424–2436 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=josab-13-11-2424 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

P. U. Jepsen, R. H. Jacobsen, and S. R. Keiding, “Generation and detection of terahertz pulses from biased semiconductor antennas,” J. Opt. Soc. Am. B 13(11), 2424–2436 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=josab-13-11-2424 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

P. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photon. Rev. 5(1), 124–166 (2011), http://onlinelibrary.wiley.com/doi/10.1002/lpor.201000011/abstract .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

S. Matsuura, M. Tani, and K. Sakai, “Generation of coherent terahertz radiation by photomixing in dipole photoconductive antennas,” Appl. Phys. Lett. 70(5), 559–561 (1997), http://link.aip.org/link/doi/10.1063/1.118337 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

P. R. Smith, D. H. Auston, and M. C. Nuss, “Subpicosecond photoconducting dipole antennas,” IEEE J. Quantum Electron. 24(2), 255–260 (1988), http://dx.doi.org/10.1109/3.121 .
[Crossref]

J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

S. Matsuura, M. Tani, and K. Sakai, “Generation of coherent terahertz radiation by photomixing in dipole photoconductive antennas,” Appl. Phys. Lett. 70(5), 559–561 (1997), http://link.aip.org/link/doi/10.1063/1.118337 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

P. R. Smith, D. H. Auston, and M. C. Nuss, “Subpicosecond photoconducting dipole antennas,” IEEE J. Quantum Electron. 24(2), 255–260 (1988), http://dx.doi.org/10.1109/3.121 .
[Crossref]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs terahertz emitters for 1.56 µm wavelength excitation,” Appl. Phys. Lett. 86(5), 051104 (2005), http://link.aip.org/link/doi/10.1063/1.1861495 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 μm femtosecond optical pulses,” Appl. Phys. Lett. 86(16), 163504 (2005), http://link.aip.org/link/doi/10.1063/1.1901817 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

S. Matsuura, M. Tani, and K. Sakai, “Generation of coherent terahertz radiation by photomixing in dipole photoconductive antennas,” Appl. Phys. Lett. 70(5), 559–561 (1997), http://link.aip.org/link/doi/10.1063/1.118337 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 μm femtosecond optical pulses,” Appl. Phys. Lett. 86(16), 163504 (2005), http://link.aip.org/link/doi/10.1063/1.1901817 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs terahertz emitters for 1.56 µm wavelength excitation,” Appl. Phys. Lett. 86(5), 051104 (2005), http://link.aip.org/link/doi/10.1063/1.1861495 .
[Crossref]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
[Crossref]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

M. Tani, S. Matsuura, K. Sakai, and S. Nakashima, “Emission characteristics of photoconductive antennas based on low-temperature-grown GaAs and semi-insulating GaAs,” Appl. Opt. 36(30), 7853–7859 (1997), http://www.opticsinfobase.org/abstract.cfm?URI=ao-36-30-7853 .
[Crossref] [PubMed]

A. C. Warren, N. Katzenellenbogen, D. Grischkowsky, J. M. Woodall, M. R. Melloch, and N. Otsuka, “Subpicosecond, freely propagating electromagnetic pulse generation and detection using GaAs:As epilayers,” Appl. Phys. Lett. 58(14), 1512–1514 (1991), http://link.aip.org/link/doi/10.1063/1.105162 .
[Crossref]

H. M. Heiliger, M. Vosseburger, H. G. Roskos, H. Kurz, R. Hey, and K. Ploog, “Application of liftoff low-temperature-grown GaAs on transparent substrates for THz signal generation,” Appl. Phys. Lett. 69(19), 2903–2905 (1996), http://link.aip.org/link/doi/10.1063/1.117357 .
[Crossref]

S. Matsuura, M. Tani, and K. Sakai, “Generation of coherent terahertz radiation by photomixing in dipole photoconductive antennas,” Appl. Phys. Lett. 70(5), 559–561 (1997), http://link.aip.org/link/doi/10.1063/1.118337 .
[Crossref]

M. B. Ketchen, D. Grischkowsky, T. C. Chen, C.-C. Chi, I. N. Duling, N. J. Halas, J.-M. Halbout, J. A. Kash, and G. P. Li, “Generation of sub-picosecond electrical pulses on coplanar transmission lines,” Appl. Phys. Lett. 48(12), 751–753 (1986), http://link.aip.org/link/doi/10.1063/1.96709 .
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C. Kadow, A. W. Jackson, A. C. Gossard, S. Matsuura, and G. A. Blake, “Self-assembled ErAs islands in GaAs for optical-heterodyne THz generation,” Appl. Phys. Lett. 76(24), 3510–3512 (2000), http://link.aip.org/link/doi/10.1063/1.126690 .
[Crossref]

J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H. Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch, “Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas,” Appl. Phys. Lett. 87(25), 252103 (2005), http://link.aip.org/link/doi/10.1063/1.2149977 .
[Crossref]

K. Bertulis, A. Krotkus, G. Aleksejenko, V. Pačebutas, R. Adomavičius, G. Molis, and S. Marcinkevičius, “GaBiAs: A material for optoelectronic terahertz devices,” Appl. Phys. Lett. 88(20), 201112 (2006), http://link.aip.org/link/doi/10.1063/1.2205180 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs terahertz emitters for 1.56 µm wavelength excitation,” Appl. Phys. Lett. 86(5), 051104 (2005), http://link.aip.org/link/doi/10.1063/1.1861495 .
[Crossref]

M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 μm femtosecond optical pulses,” Appl. Phys. Lett. 86(16), 163504 (2005), http://link.aip.org/link/doi/10.1063/1.1901817 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Detection of terahertz waves using low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 90(10), 101119 (2007), http://link.aip.org/link/doi/10.1063/1.2712503 .
[Crossref]

A. Takazato, M. Kamakura, T. Matsui, J. Kitagawa, and Y. Kadoya, “Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 µm pulse excitation,” Appl. Phys. Lett. 91(1), 011102 (2007), http://link.aip.org/link/doi/10.1063/1.2754370 .
[Crossref]

A. Schwagmann, Z.-Y. Zhao, F. Ospald, H. Lu, D. C. Driscoll, M. P. Hanson, A. C. Gossard, and J. H. Smet, “Terahertz emission characteristics of ErAs:InGaAs-based photoconductive antennas excited at 1.55µm,” Appl. Phys. Lett. 96(14), 141108 (2010), http://link.aip.org/link/doi/10.1063/1.3374401 .
[Crossref]

C. D. Wood, O. Hatem, J. E. Cunningham, E. H. Linfield, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz emission from metal-organic chemical vapor deposition grown Fe:InGaAs using 830 nm to 1.55µm excitation,” Appl. Phys. Lett. 96(19), 194104 (2010), http://link.aip.org/link/doi/10.1063/1.3427191 .
[Crossref]

O. Hatem, J. Cunningham, E. H. Linfield, C. D. Wood, A. G. Davies, P. J. Cannard, M. J. Robertson, and D. G. Moodie, “Terahertz-frequency photoconductive detectors fabricated from metal-organic chemical vapor deposition-grown Fe-doped InGaAs,” Appl. Phys. Lett. 98(12), 121107 (2011), http://link.aip.org/link/doi/10.1063/1.3571289 .
[Crossref]

K. A. McIntosh, K. B. Nichols, S. Verghese, and E. R. Brown, “Investigation of ultrashort photocarrier relaxation times in low-temperature-grown GaAs,” Appl. Phys. Lett. 70(3), 354–356 (1997), http://link.aip.org/link/doi/10.1063/1.118412 .
[Crossref]

J. S. Weiner, D. S. Chemla, D. A. B. Miller, T. H. Wood, D. Sivco, and A. Y. Cho, “Room temperature excitons in 1.6µm band-gap GaInAs/AlInAs quantum wells,” Appl. Phys. Lett. 46(7), 619–621 (1985), http://link.aip.org/link/doi/10.1063/1.95504 .
[Crossref]

H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of Ga0.47In0.53As grown on InP by low-temperature molecular beam epitaxy,” Appl. Phys. Lett. 61(11), 1347–1349 (1992), http://link.aip.org/link/doi/10.1063/1.107587 .
[Crossref]

P. R. Smith, D. H. Auston, and M. C. Nuss, “Subpicosecond photoconducting dipole antennas,” IEEE J. Quantum Electron. 24(2), 255–260 (1988), http://dx.doi.org/10.1109/3.121 .
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J. Oh, P. Bhattacharya, Y. Chen, O. Aina, and M. Mattingly, “The dependence of the electrical and optical properties of molecular beam epitaxial In0.52Al0.48As on growth parameters: Interplay of surface kinetics and thermodynamics,” J. Electron. Mater. 19(5), 435–441 (1990), http://www.springerlink.com/content/010544084t85h872/ .
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K. Ezdi, B. Heinen, C. Jördens, N. Vieweg, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “A hybrid time-domain model for pulsed terahertz dipole antennas,” J. Eur. Opt. Soc. Rapid. Publ. 4, 09001 (2009), http:/www.jeos.org/index.php/jeos_rp/article/view/09001 .
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P. U. Jepsen, R. H. Jacobsen, and S. R. Keiding, “Generation and detection of terahertz pulses from biased semiconductor antennas,” J. Opt. Soc. Am. B 13(11), 2424–2436 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=josab-13-11-2424 .
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P. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photon. Rev. 5(1), 124–166 (2011), http://onlinelibrary.wiley.com/doi/10.1002/lpor.201000011/abstract .
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M. Griebel, J. H. Smet, D. C. Driscoll, J. Kuhl, C. A. Diez, N. Freytag, C. Kadow, A. C. Gossard, and K. Von Klitzing, “Tunable subpicosecond optoelectronic transduction in superlattices of self-assembled ErAs nanoislands,” Nat. Mater. 2(2), 122–126 (2003), doi:.
[Crossref] [PubMed]

B. Sartorius, H. Roehle, H. Künzel, J. Böttcher, M. Schlak, D. Stanze, H. Venghaus, and M. Schell, “All-fiber terahertz time-domain spectrometer operating at 1.5 microm telecom wavelengths,” Opt. Express 16(13), 9565–9570 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-13-9565 .
[Crossref] [PubMed]

N. Vieweg, M. Mikulics, M. Scheller, K. Ezdi, R. Wilk, H. W. Hübers, and M. Koch, “Impact of the contact metallization on the performance of photoconductive THz antennas,” Opt. Express 16(24), 19695–19705 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-24-19695 .
[Crossref] [PubMed]

H. Roehle, R. J. B. Dietz, H. J. Hensel, J. Böttcher, H. Künzel, D. Stanze, M. Schell, and B. Sartorius, “Next generation 1.5 µm terahertz antennas: mesa-structuring of InGaAs/InAlAs photoconductive layers,” Opt. Express 18(3), 2296–2301 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2296 .
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H. Hoenow, H.-G. Bach, J. Böttcher, F. Gueissaz, H. Künzel, F. Scheffer, and C. Schramm, “Deep level Analysis of Si Doped MBE Grown AlInAs Layers, ” Proc. 4th Int. Conf. InP and Rel. Mater., 136–139 (1992), http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=00235658 .

R. Wilk, M. Mikulics, K. Biermann, H. Künzel, I. Z. Kozma, R. Holzwarth, B. Sartorius, M. Mei, and M. Koch, “THz Time-Domain Spectrometer Based on LT-InGaAs Photoconductive Antennas Exited by a 1.55 μm Fibre Laser, ” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper CThR2, http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4452856&isnumber=4452320 .