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Author Cao, Q.; Yoon, S. F.; Tong, C. Z.; Ngo, C. Y.; Liu, C. Y.; Wang, R.; Zhao, H. X.
Title Two-state competition in 1.3 μm multilayer InAs/InGaAs quantum dot lasers Type Journal Article
Year 2009 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 95 Issue 19 Pages 3
Keywords (down) 2DEG
Abstract The competition of ground state (GS) and excited state (ES) is investigated from the as-grown and thermally annealed 1.3 μm ten-layer p-doped InAs/GaAs quantum dot (QD) lasers. The modal gain competition between GS and ES are measured and analyzed around the ES threshold characteristics. Our results show that two-state competition is more significant in devices with short cavity length operating at high temperature. By comparing the as-grown and annealed devices, we demonstrate enhanced GS and suppressed ES lasing from the QD laser annealed at 600 °C for 15 s.
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Call Number RPLAB @ gujma @ Serial 673
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Author Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M.
Title Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers Type Journal Article
Year 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 79 Issue 15 Pages 2483-2485
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Call Number Serial 311
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Author Dorenbos, S. N.; Reiger, E. M.; Perinetti, U.; Zwiller, V.; Zijlstra, T.; Klapwijk, T. M.
Title Low noise superconducting single photon detectors on silicon Type Journal Article
Year 2008 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 93 Issue 13 Pages 131101
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Call Number RPLAB @ s @ Serial 436
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Author Mason, Whitney; Waterman, J. R.
Title Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors Type Journal Article
Year 1999 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 74 Issue 11 Pages 1633-1635
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Call Number RPLAB @ s @ Serial 461
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Author Santavicca,D.F.; Reulet,B.; Karasik,B.S.; Pereverzev,S.V.; Olaya, D.; Gershenson, M.E.; Frunzio, L.; Prober, D.E.
Title Energy resolution of terahertz single-photon-sensitive bolometric detectors Type Journal Article
Year 2010 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 96 Issue 8 Pages 083505 - 083505-3
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Abstract We report measurements of the energy resolution of ultrasensitive superconducting bolometric detectors. The device is a superconducting titanium nanobridge with niobium contacts. A fast microwave pulse is used to simulate a single higher-frequency photon, where the absorbed energy of the pulse is equal to the photon energy. This technique allows precise calibration of the input coupling and avoids problems with unwanted background photons. Present devices have an intrinsic full-width at half-maximum energy resolution of approximately 23 THz, near the predicted value due to intrinsic thermal fluctuation noise.
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Call Number RPLAB @ akorneev @ Serial 601
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