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  • 1
    Digitale Medien
    Digitale Medien
    Electronic states in the conduction band of V-groove quantum wires (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 92 (2002), S. 2023-2034 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The article proposes a method to calculate eigenstates and eigenfunctions of the conduction band in V-groove quantum wires, which is based on conformal mapping and Fourier expansion. Consequently, the method relies essentially on an analytical calculation with input data as measured with V-groove quantum wires. The method allows one to take into account the hermiticity of the Schrödinger equation as well as the nonparabolicity of the effective mass. We analyze the influence of both effects on the calculated results, showing that an error of up to 30% is incurred if both effects are neglected. © 2002 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1495091
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  • 2
    Digitale Medien
    Digitale Medien
    Analysis of transfer function of metal-semiconductor-metal photodetector equivalent circuit (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 70 (1997), S. 286-288 
    Details
    ISSN: 1077-3118
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The response of GaAs metal-semiconductor-metal photodetectors (MSM-PD) is simulated using a phenomenological model of transport equations, which takes into account the electron intervalley transfer. Calculations are performed for intrinsic devices with 1 μm and 0.5 μm interdigital spacing with the corresponding equivalent (parasitic) circuit of the photodetector. It is pointed out that parasitic effects may induce a significant distortion, a delay of intrinsic response, and increase bit error rate. Analysis of the equivalent or parasitic circuit of the MSM-PD transfer function shows that the distortion and delay of the intrinsic signal can be minimized by choosing the optimal photodetector capacitance. © 1997 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.118394
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  • 3
    Digitale Medien
    Digitale Medien
    An analytical expression for the electric field in MSM structures (1993)
    Springer
    International journal of infrared and millimeter waves 14 (1993), S. 1485-1493 
    Details
    ISSN: 1572-9559
    Schlagwort(e): Conformal mapping ; MSM structure ; Photodetector ; Electrooptic modulator
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract In this work the conformal mapping is used to determine an analytical expression for the electric field in MSM structures. The expression simplifies the analysis of optically generated carriers transport, i.e. the determination of the response of the MSN photodetectors. It can also be useful in the analysis of MSM electrooptical modulators operation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02084421
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  • 4
    Digitale Medien
    Digitale Medien
    The influence of electron intervalley transfer on response pulse width of the MSM photodetector (1996)
    Springer
    International journal of infrared and millimeter waves 17 (1996), S. 1001-1009 
    Details
    ISSN: 1572-9559
    Schlagwort(e): MSM photodetector ; electron intervalley transfer ; pulsewidth
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract This paper analyses the influence of nonstationary effects on response pulswidth of Metal-Semiconductor-Metal Photodetector (MSM-PD) made of a two-valley semiconductor. A phenomenological model is used for 2D numerical simulation of carrier transport and intervalley transfer. The analysis of the pulsewidth response of the MSM-PD has been made for various micron and submicron structures, bias voltages and incident light wavelengths.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02101431
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  • 5
    Digitale Medien
    Digitale Medien
    APPLICATION OF CONFORMAL MAPPING IN MODELLING THE RESPONSE OF AN MSM PHOTODETECTOR (1997)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 10 (1997), S. 71-82 
    Details
    ISSN: 0894-3370
    Schlagwort(e): Engineering ; Numerical Methods and Modeling
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: In this paper we present an efficient method for numerical solution of the transport equation of photogenerated carriers in MSM photodetectors. The method is based on conformal mapping of both the MSM photodetector structure and the system of transport equations into a new space. The mapping enables analytical calculation of the electric field, allowing one to take one of the co-ordinates as a parameter and thus reducing the problem to quasi-one-dimensional. In addition, the method of conformal mapping enables calculation of the normalized current response of a photodetector in the new space. © 1997 by John Wiley & Sons, Ltd.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
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