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167. Andriy A. Danylov, Jerry Waldman, Alexander R. Light, Thomas M. Goyette, Robert H. Giles, Xifeng Qian, Neelima Chandrayan, William D. Goodhue and William E. Nixon, "Long-term frequency and amplitude stability of a solid-nitrogen-cooled, continuous wave THz quantum cascade laser," Proc. SPIE 8261, 82610D (2012) pdf, 1.1 MB

162. Slingerland P, Baird C and Giles R H 2012 "Application of multi-band self-consistent energy balance method to terahertz quantum cascade lasers" Semicond. Sci. Technol. 27 065009 pdf, 620 KB

159. Phillip C. Slingerland, “Temperature Effects and Transport Phenomena in Terahertz Quantum Cascade Lasers," Ph.D. dissertation, Dept. of Physics and Applied Physics, University of Massachusetts Lowell, USA, 2011. pdf, 6.3 MB

158. Andriy Danylov, “Frequency stabilization, tuning, and spatial mode control of terahertz quantum cascade lasers for coherent transceiver applications," Ph.D. dissertation, Dept. of Physics and Applied Physics, University of Massachusetts Lowell, USA, 2010. pdf, 3.5 MB

153. Philip Slingerland, Christopher Baird, Robert Giles "The effects of various approximations on electron-electron scattering calculations in QCLs," Proc. SPIE 7938, 793809 (2011) pdf, 250 KB

151. Andriy A. Danylov, Thomas M. Goyette, Jerry Waldman, Michael J. Coulombe, Andrew J. Gatesman, Robert H. Giles, Xifeng Qian, Neelima Chandrayan, Shivashankar Vangala, Krongtip Termkoa, William D. Goodhue, and William E. Nixon, "Terahertz inverse synthetic aperture radar (ISAR) imaging with a quantum cascade laser transmitter," Opt. Express 18, 16264-16272 (2010). pdf, 1.1 MB

149. Slingerland, P., Baird, C., Crompton, B., Giles, R., Nixon, W. E., "The effects of electron temperature in terahertz quantum cascade laser predictions," in Modeling and Simulation for Defense Systems and Applications V, edited by Eric J. Kelmelis, Proceedings of SPIE Vol. 7705 (SPIE, Bellingham, WA, 2010) 77050C. April 2010 pdf, 120 KB

148. Baird, C., Crompton, B., Slingerland, P., Giles, R., Nixon, W. E., "Optimization of semi-insulating surface-plasmon waveguides within terahertz QCL's using computational models," in Terahertz Physics, Devices, and Systems IV: Advanced Applications in Industry and Defense, edited by Mehdi Anwar, Nibir K. Dhar, Thomas W. Crowe, Proceedings of SPIE Vol. 7671 (SPIE, Bellingham, WA, 2010) 767109. April 2010 pdf, 480 KB

147. E. J. Ehasz, T. M. Goyette, R. H. Giles and W. E. Nixon, "High Resolution Frequency Measurements of Far-Infrared Laser Lines,"IEEE Journal of Quantum Electronics, vol. 46, no. 4, pp. 474-477, April 2010. pdf, 330 KB

145. Andriy A. Danylov, Thomas M. Goyette, Jerry Waldman, Michael J. Coulombe, Andrew J. Gatesman, Robert H. Giles, Xifeng Qian, Neelima Chandrayan, Shivashankar Vangala, Krongtip Termkoa, William D. Goodhue, and William E. Nixon, "Coherent imaging at 2.4 THz with a CW quantum cascade laser transmitter" in Terahertz Technology and Applications III, Proceedings of SPIE Vol. 7601 (SPIE, Bellingham, WA 2010) January 2010 pdf, 8.2 MB

143. Andriy A. Danylov, Thomas M. Goyette, Jerry Waldman, Michael J. Coulombe, Andrew J. Gatesman, Robert H. Giles, William D. Goodhue, Xifeng Qian, and William E. Nixon, "Frequency stabilization of a single mode terahertz quantum cascade laser to the kilohertz level", Optics Express, Vol. 17, Iss. 9, pp. 7525-7532 (2009). pdf, 525 KB

142. Jerry Waldman, Andriy A. Danylov, Thomas M. Goyette, Michael J. Coulombe, Robert H. Giles, Andrew J. Gatesman, William D. Goodhue, Jin Li, Kurt J. Linden, William E. Nixon, "Prospects for quantum cascade lasers as transmitters and local oscillators in coherent terahertz transmitter/receiver systems" in Terahertz Technology and Applications II, edited by Kurt J. Linden, Laurence P. Sadwick, Creidhe M. O'Sullivan, Proceedings of SPIE Vol. 7215 (SPIE, Bellingham, WA 2009) 72150C. pdf, 900 KB

141. Neal R. Erickson, Thomas M. Goyette, "Terahertz Schottky-diode balanced mixers" in Terahertz Technology and Applications II, edited by Kurt J. Linden, Laurence P. Sadwick, Creidhe M. O'Sullivan, Proceedings of SPIE Vol. 7215 (SPIE, Bellingham, WA 2009) 721508. pdf, 510 KB

138. A. A. Danylov, J. Waldman, T. M. Goyette, A. J. Gatesman, R. H. Giles, J. Li, W. D. Goodhue, K. J. Linden, and W. E. Nixon, "Terahertz sideband-tuned quantum cascade laser radiation", Opt. Express 16, 5171-5180 (2008) pdf, 1.5 MB

135. Andriy A. Danylov, Jerry Waldman, Thomas M. Goyette, Andrew J. Gatesman, Robert H. Giles, Kurt J. Linden, William R. Neal, William E. Nixon, Michael C. Wanke, and John L. Reno, "Transformation of the multimode terahertz quantum cascade laser beam into a Gaussian, using a hollow dielectric waveguide", Applied Optics, Volume 46, Issue 22, pp. 5051-5055 pdf, 1.4 MB

125. F. Rodriguez-Morales, K.S. Yngvesson, E. Gerecht, N. Wadefalk, J. Nicholson, D. Gu, X. Zhao, T. Goyette, J. Waldman, "A Terahertz Focal Plane Array Using HEB Superconducting Mixers and MMIC IF Amplifiers", Microwave and Wireless Components Letters, IEEE [see also IEEE Microwave and Guided Wave Letters] Volume 15, Issue 4, April 2005 Page(s):199 - 201 pdf, 1 MB

123. Sigfrid Yngvesson, Eyal Gerecht, Fernando Rodriguez-Morales, John Nicholson, Dazhen Gu, Ric Zannoni, Xin Zhao, Thomas Goyette, William Gorveatt, Jason Dickinson, Jerry Waldman, "NbN hot electron bolometer receivers and focal plane arrays for the terahertz range", Proc. SPIE Vol. 5498, p. 548-555, Millimeter and Submillimeter Detectors for Astronomy II; Jonas Zmuidzinas, Wayne S. Holland, Stafford Withington; Eds. October 2004 pdf, 840 KB

119. Yngvesson, S. Gerecht, E. Nicholson, J. Rodriguez-Morales, F. Dazhen Go, Xin Zhao, Waldman, J. Goyette, T. Kollberg, E., "Development of focal plane arrays with hot electron bolometer heterodyne detectors for 3 to 10THz", Aerospace Conference, 2004. Proceedings. 2004 IEEE Volume: 2 6-13 March 2004 Page(s): 724- 734 Vol.2 pdf, 1.7 MB

116. Thomas M. Goyette, Andrew Gatesman, Thomas M. Horgan, Michael Coulombe, Robert Giles, Jerry Waldman, William E. Nixon., "THz Compact Radar Range Systems", Presentation given at IEEE MTT-S International Microwave Symposium, June 8-10, 2003, Philadelphia, Pennsylvania pdf, 3.7 MB

115. E. Gerecht, S. Yngvesson, J. Nicholson, Y. Zhuang, F. Rodriguez-Morales, X. Zhao, D. Gu, R. Zannoni, M. Coulombe, J. Dickinson, T. Goyette, W. Gorveatt, J. Waldman, P. Khosropanah, C. Groppi, A. Hedden, D. Golish, C.Walker, J.Kooi, R. Chamberlin, A. Stark, C. Martin, R. Stupak, N. Tothill, A. Lane, "Deployment of TREND - A Low Noise Receiver User Instrument at 1.25 THz to1.5 THz for AST/RO at the South Pole", 14th Intern. Symp. Space THz Technology, Tucson, Az, Apr. 2003 pdf, 1.3 MB

114. Eyal Gerecht, Sigfrid Yngvesson, John Nicholson, Yan Zhuang, Fernando Rodriguez-Morales, Xin Zhao, Dazhen Gu, Richard Zannoni, Michael J. Coulombe, Jason C. Dickinson, Thomas M. Goyette, Jerry Waldman, Christopher E. Groppi, Abigail S. Hedden, Dathon Golish, Christopher K. Walker, Antony A. Stark, Christopher Martin, Adair Lane, "TREND - A Low Noise Terahertz Receiver User Instrument for AST/RO at the South Pole", Proc. SPIE Vol. 4855, p. 574-582, Millimeter and Submillimeter Detectors for Astronomy; Thomas G. Phillips, Jonas Zmuidzinas; Eds. February 2003 pdf, 500 KB

108. M. Coulombe, J. Waldman, R. Giles, A. Gatesman, T. Goyette, W. Nixon, "Submillimeter-Wave Polarimetric Compact Ranges for Scale-Model Radar Measurements", Microwave Symposium Digest, 2002 IEEE MTT-S International Volume: 3 2002 Page(s): 1583-1586 pdf, 240 KB

102. D.R. Culkin, G.B. DeMartinis, T.M. Goyette, J.C. Dickinson, J. Waldman, W.E. Nixon, "W-Band Polarimetric Scattering Features of a Tactical Ground Target Using a 1.56 THz 3D Imaging Compact Range", Proc. SPIE Vol. 4382, p. 241-251, Algorithms for Synthetic Aperture Radar Imagery VIII; Edmund G. Zelnio; Ed. August 2001 pdf, 1.3 MB

101. Thomas M. Goyette, Jason C. Dickinson, Jerry Waldman, William E. Nixon, Steve Carter, "Fully Polarimetric W-Band ISAR Imagery of Scale-Model Tactical Targets Using a 1.56 THz Compact Range", Proc. SPIE Vol. 4382, p. 229-240, Algorithms for Synthetic Aperture Radar Imagery VIII; Edmund G. Zelnio; Ed. August 2001 pdf, 4.4 MB

99. K.S. Yngvesson, C.F. Musante, M. Ji, F. Rodriguez, Y. Zhuang, E. Gerecht, M. Coulombe, J. Dickinson, T. Goyette, J. Waldman, C.R. Walker, A. Stark, A. Lane, "Terahertz Receiver With NB/N Device (TREND) - A Low-Noise Receiver User Instrument For AST/RO at the South Pole", Proceedings of the 12th International Symposium on Space Terahertz Technology, California Institute of Technology, Pasadena CA, Feb 2001. pdf, 176 KB

98. N.R. Erickson, G. Narayanan, R.M. Grosslein, S. Martin, I. Mehdi, P. Smith, M.J. Coulombe, G.B. DeMartinis, "Monolithic THz Frequency Multipliers", 2001 Space Terahertz Conference, Presented February 2001, San Diego, CA.

97. K. Sigfrid Yngvesson, Eyal Gerecht, Charles F. Musante, Yan Zhuang, M. Ji, Thomas M. Goyette, Jerry Waldman, "New results on terahertz HEB low-noise receivers and focal plane arrays", Proc. SPIE Vol. 4111, p. 152-162, Terahertz and Gigahertz Electronics and Photonics II; R. Jennifer Hwu, Ke Wu; Eds. December 2000 pdf, 600 KB

91. Thomas M. Goyette, Jason C. Dickinson, Jerry Waldman, William E. Nixon, "1.56-THz compact radar range for W-band imagery of scale-model tactical targets", Proc. SPIE Vol. 4053, p. 615-622, Algorithms for Synthetic Aperture Radar Imagery VII; Edmund G. Zelnio; Ed. August 2000 pdf, 796 KB

89. E. Gerecht, C.F. Musante, Y. Zhuang, M. Ji, K.S. Yngvesson, T. Goyette, J. Waldman, "NbN Hot Electron Bolometric Mixer with Intrinsic Receiver Noise Temperature of Less the Five Times the Quantum Noise Limit", Microwave Symposium Digest., 2000 IEEE MTT-S International Volume: 2 2000 Page(s): 1007-1010 vol. 2 pdf, 596 KB

88. E. Gerecht, C.F. Musante, Y. Zhuang, M. Ji, K.S. Yngvesson, T. Goyette, J. Waldman, "Development of Focal Plane Arrays Utilizing NbN Hot Electron Bolometric Mixers for the THz Region", Eleventh Intern. Symp. Space THz Technol., Ann Arbor, MI, May 2000 pdf, 368 KB

87. E. Gerecht, C.F. Musante, Y. Zhuang, and K.S. Yngvesson, T. Goyette, J. Dickinson, J. Waldman, P.A. Yagoubov, G.N. Gol'tsman, B.M. Voronov, E.M. Gershenzon, "NbN Hot Electron Bolometric Mixers - A New Technology For Low Noise THz Receivers", Microwave Symposium Digest, 1999 IEEE MTT-S International Volume: 4 1999 Page(s): 1789-1792 vol. 4 pdf, 360 KB

86. K.S. Yngvesson, E. Getecht, C.F. Musante, Y. Zhuang, T. Goyette, J. Dickinson, J. Waldman, P.A. Yagoubov, G.N. Gol'tsman, B.M. Voronov, and E.M. Gershenzon, "Low-Noise HEB Heterodyne Receivers and Focal Plane Arrays for the THz Regime Using NbN", Proc. SPIE Vol. 3795, p. 357-368, Terahertz and Gigahertz Photonics; R. Jennifer Hwu, Ke Wu; Eds. November 1999 pdf, 1.1 MB

85. M. J. Coulombe, T. Horgan and J. Waldman, G.Szatkowski , and W. Nixon, "A 520 GHZ Polarimetric Compact Range for Scale Model RCS Measurements", Antenna Measurements and Techniques Association (AMTA) Proceedings, Monterey, October 1999. pdf, 144 KB

84. E. Gerecht, C.F. Musante, H. Jian, K.S. Yngvesson, J. Dickinson, J. Waldman, P.A. Yagoubov, G.N. Gol'tsman, B.M. Voronov, and E.M. Gershenzon, "New Results for Phonon-Cooled Hot Electron Bolometric Mixers Above 1 THz", Applied Superconductivity, IEEE Transactions on Volume: 9 Issue: 2 Part=3, Jun 1999 Page(s): 4217-4220 pdf, 552 KB

83. E. Gerecht, C.F. Musante, H. Jian, Y. Zhuang, K.S. Yngvesson, J. Dickinson, T. Goyette, J. Waldman, P.A. Yagoubov, G.N. Gol'tsman, B.M. Voronov, and E.M. Gershenzon, "Improved Characteristics of NbN HEB Mixers Integrated With Log-Periodic Antennas", 10th International Symposium Space Terahertz Technology, University of Virginia, March 1999.

79. E. Gerecht, C. F. Musante, H. Jian, K. S. Yngvesson, J. Dickinson, J. Waldman, G. N. Gol'tsman, P. A. Yagoubov, B. M. Voronov, and E. M. Gershenzon, "Measured Results for NbN Phonon Cooled Hot Electron Bolometric Mixers at 0.6-0.75 THz, 1.56 THz and 2.5 THz", Proceedings of the Ninth International Symposium Space THz Technology, Pasadena, CA, March 1998. pdf, 400 KB

78. E. Gerecht, C. F. Musante, K. S. Yngvesson, J. Waldman, G. N. Gol'tsman, P. A. Yagoubov, B. M. Voronov, and E. M. Gershenzon, "Optical Coupling and Conversion Gain for NbN HEB Mixer at THz Frequencies", Proc. of the Intern. Semicond. Device. Res. Symp., Charlottesville, VA, Dec. 1997 pdf, 260 KB

77. E.R. Mueller, J. Waldman, "Power and Spatial Mode Measurements of Sideband Generated, Spatially Filtered, Submillimeter Radiation", Microwave Theory and Techniques, IEEE Transactions on Volume: 42 Issue: 10 Oct 1994 Page(s): 1891-1895 pdf, 572 KB

72. E. Gerecht, C. F. Musante, Z. Wang, K. S. Yngvesson, J. Waldman, G. N. Gol'tsman, P. A. Yagoubov, S. I. Svechnikov, B. M. Voronov, S. I. Cherednichenco and E. M. Gershenzon, "NbN Hot Electron Bolometric Mixer for 2.5 THz: The Phonon Cooled Version", Proceedings of the Eighth International Symposium on Space Terahertz Technology, Cambridge, MA, March 1997.

71. M. J. Coulombe, T. Horgan and J. Waldman, J. Neilson, S. Carter and W. Nixon, "A 160 GHZ Polarimetric Compact Range for Scale Model RCS Measurements", Antenna Measurements and Techniques Association (AMTA) Proceedings, Seattle, WA, pg 239, October 1996. pdf, 325 KB

70. E. Gerecht, C.F. Musante, Z. Wang, K.S. Yngvesson, E.R. Mueller, J. Waldman, G.N. Gol'tsman, P.A. Yagoubov, S. I. Svechnikov, O.V. Okunev, B.M. Vornov, S.I. Cherednichenco and E.M. Gershenzon, "Log-Period Antenna/Lens Coupled NbN Hot Electron Bolometric Mixer for 2.5 THz", Applied Superconductivity Conference, Pittsburg, PA. August 1996.

69. E. Gerecht, C. F. Musante, Z. Wang, K. S. Yngvesson, E. R. Mueller, J. Waldman, G. N. Gol'tsman, B. M. Voronov, S. I. Svechnikov, P. A. Yagoubov, and E. M. Gershenzon, "Optimization of Hot Electron Bolometer Mixing in NbN at 119 Micrometer Wavelength", Proc. of the Seventh Intern. Symp. Space THz Technology, Charlottesville, VA, March 1996.

68. E. Gerecht, C. F. Musante, C. R. Lutz, Z. Wang, K. S. Yngvesson, E. R. Mueller, J. Waldman, G. N. Gol'tsman, B. M. Voronov, and E. M Gershenzon, "Hot Electron Mixing Efficiency in NbN at 119 Micrometer Wavelength", Proc. of the Intern. Semicond. Device Res. Symp., Charlottesville, VA, pp 619-622, Dec. 1995.

66. E. Gerecht, C. F. Musante, R. Schuch, C. R. Lutz, K. S. Yngvesson, E. R. Mueller, J. Waldman, G. N. Gol'tsman, B. M. Voronov, and E. M. Gershenzon, "Hot Electron Mixing Efficiency in NbN at 119 Micrometer Wavelength", Proc. of the Sixth Intern. Symp. Space THz Technology, Pasadena, CA, pp 284, March 1995.

62. E.R. Mueller, J. Waldman, "Power and Spatial Mode Measurements of Sideband Generated, Spatially Filtered, Submillimeter Radiation", Microwave Theory and Techniques, IEEE Transactions on Volume: 42 Issue: 10 Oct 1994 Page(s): 1891-1895 pdf, 756 KB

60. E.R. Mueller, T.E. Wilson, J. Waldman, J.T. Kennedy, R.A. Hart, "Generation of High Repetition Rate Far-Infrared Laser Pulses", Applied Physics Letters, 06/20/94, Vol. 64 Issue 25, p3383 pdf, 388 KB

58. E. R. Mueller, "Frequency-Shifting Submillimeter Single-Sideband Receiver", International. Journal of Infrared and MMW Waves, Vol.15 No.4, April 1994 p.665 pdf, 6.6 MB

56. M.J. Coulombe, T. Ferdinand, T. Horgan, R. H. Giles and J. Waldman, "A 585 GHz Compact Range for Scale Model RCS Measurements", Proceedings for the Antenna Measurements and Techniques Association , October 1993, Dallas, TX. pdf, 390 KB

51. T.E. Wilson, "A High-Power Far-Infrared NH3 Laser Pumped in a Three-Mirror CO2 Laser Cavity With Optically-Switched Cavity-Dumping", International Journal of Infrared and MM Wavesl. Vol 14 No. 2 February 1993 p.303 pdf, 14.2 MB

42. R.H. Giles, M.J. Coulombe, T.M. Horgan, J. Waldman, W.E. Nixon, W.F. Reinhold, J. Shostak and T. LaVella, "Establishment of a Submillimeter Compact Range Meeting Longbow Radar Requirements", Proceedings of the 38th Tri-Service Radar Symposium , West Point, NY, June 1992.

41. T.E. Wilson, "A High-Powered Far-Infrared NH3 Laser Pumped in a Three Mirror CO2 Laser Cavity with Optically-Switched Cavity Dumping", Proc. of the Intl. Conf. on Lasers 1991 (SOQUE), p. 762-767 (STS Press, McLean, VA, 1992).

15. S. RaviKumar, R.J. Tansey, and J. Waldman, "Optically Pumped Submillimeter Wave Laser with Michelson Interferometric Output Coupling", Quantum Electronics, IEEE Journal of Volume: 13 Issue: 1 Jan 1977 Page(s): 30- 33 pdf, 264 KB

14. Drozdowicz, Z.; Woskoboinikow, P.; Isobe, K.; Cohn, D.; Temkin, R.; Button, K.; Waldman, J., "High power optically pumped far infrared laser systems", Quantum Electronics, IEEE Journal of Volume: 13 Issue: 6 Jun 1977 Page(s): 413- 417 pdf, 1.6 MB

4. H.R. Fetterman, H.R. Schlossberg, J. Waldman, "Submillimeter Lasers Optically Pumped Off Resonance", Optics Communications Volume 6, Issue 2 , October 1972, Pages 156-159 pdf, 9.2 MB

2. I. Melngailis, G.E. Stillman, J.O. Dimmock, C.M. Wolfe, "Far-Infrared Recombination Radiation from Impact-Ionized Shallow Donors in GaAs", Physical Review Letters Volume 23 No. 19 November 10, 1969 pdf, 712 KB