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IEEE Journal of Quantum Electronics

Issue 9 • September 1984

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Displaying Results 1 - 21 of 21
  • [Front cover and table of contents]

    Publication Year: 1984, Page(s): 0
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  • Second workshop on laser acceleration of particles

    Publication Year: 1984, Page(s): 994
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  • Announcing a special issue of the IEEE journal opf quantum electronics on optical bistability

    Publication Year: 1984, Page(s): 995
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  • An analytic model for the modulation response of buried heterostructure lasers

    Publication Year: 1984, Page(s):1008 - 1015
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (725 KB)

    This paper describes an analytic model for the modulation response of buried heterostructure (BH) semiconductor lasers. Using a space-averaged carrier density approach, explicit expressions that take into account the combined effects of carrier diffusion and spontaneous emission are derived for the transient decay time of the relaxation oscillations, and the small-signal modulation response for th... View full abstract»

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  • An analysis of gain-switched semiconductor lasers generating pulse-code-modulated light with a high bit rate

    Publication Year: 1984, Page(s):1016 - 1022
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (739 KB)

    A theoretical analysis of gain-switched semiconductor lasers is described. Results of the numerical solution of the coupled rate equations for photon and electron densities are presented, along with analytical expressions which have been derived by using certain approximations to solve these nonlinear differential equations. The two sets of results are seen to be in good agreement. The design requ... View full abstract»

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  • Dynamics of the optically pumped midinfrared NH3laser at high pump power - Part I: Inversion gain

    Publication Year: 1984, Page(s):1051 - 1060
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1286 KB)

    A simple rate-equation model is shown to account for all the major features of gain dynamics in pulsed NH3lasers operating with buffer gases. The model is validated by a detailed comparison to measured gain coefficients for two different pumping transitions, and accurately predicts gain distributions as a function of rotational quantum number. The two major concepts embodied in the mode... View full abstract»

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  • Dynamics of the optically pumped midinfrared NH3laser at high pump power - Part II: Raman gain and ac stark shifts

    Publication Year: 1984, Page(s):1060 - 1064
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (772 KB)

    Coherent effects produced by high-intensity pumping onaR(6, 0) in NH3are investigated for both the pure gas and for mixtures with an inert buffer gas. Two different Raman transitions are observed. One is the usual directly pumped Raman transition, and the other is pumped indirectly since it first requires a large population transfer to the upper vibrational level. This popula... View full abstract»

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  • Continuously tunable sum-frequency generation involving sodium Rydberg states

    Publication Year: 1984, Page(s):1074 - 1078
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (730 KB)

    Broadly tunable sum-frequency generation has been observed in a vapor of atomic sodium in the presence of a dc electric field. This field induces achi^{(2)}nonlinearity which is resonantly enhanced when the sum frequency corresponds to the energy separation between the ground state and an atomic Rydberg state. In a vapor of number density4 times 10^{14}cm-3, we obt... View full abstract»

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  • Theoretical analysis of combustion-driven 16µm CO2gas dynamic lasers

    Publication Year: 1984, Page(s):1086 - 1092
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (758 KB)

    A numerical analysis is presented with a combustion-driven 16 μm CO2gas dynamic laser operating on liquid fuel and liquid oxidizer constituted of benzene (C6H6) and nitrous oxide (N2O), respectively. Adopting a sharp-edged nozzle with an area ratio of 100, optimization of equivalence ratio φ, reservoir pressure P0, and nozzle throat ... View full abstract»

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  • Two-dimensional propagating beam analysis of an electrooptic waveguide modulator

    Publication Year: 1984, Page(s):1093 - 1097
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (590 KB)

    Diffused waveguides are analyzed employing the propagating beam method. By reducing the problem to two dimensions by the effective index method, a reduction of the computer time by a factor of 100 is achieved. The method has been exemplified by aY- branch electrooptic waveguide modulator. The calculated output power versus applied voltage is in good agreement with results found in the l... View full abstract»

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  • The high-power iodine laser

    Publication Year: 1984, Page(s): 1098
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (70 KB)

    First Page of the Article
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  • [Back cover]

    Publication Year: 1984, Page(s): 0
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    Freely Available from IEEE
  • Repetitively pulsed transversely excited Sr+recombination laser

    Publication Year: 1984, Page(s):1006 - 1007
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    Operation of a transversely excited strontium-ion recombination laser at repetition rates up to 500 Hz is reported. Maximum average output power of 90 mW on the 430.5 nm transition has been obtained from a sealed-off device of active volume ∼ 40 cm3at a pulse repetition frequency of 200 Hz. This performace was achieved in the absence of any discharge preionization or forced recirc... View full abstract»

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  • Operation mechanism of electrooptic multimode X-switches

    Publication Year: 1984, Page(s):999 - 1002
    Cited by:  Papers (7)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    The operation mechanism of electrooptic multimode switches using crossing channel waveguides (X-switch) is investigated theoretically and experimentally. The light propagation through the X-structure as well as the switching behavior of the device is explained in terms of local normal modes. The theoretical model is confirmed by numerical calculations (BPM) and by experiments using Ti:LiNbO3<... View full abstract»

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  • High frequency heterodyne spectroscopy with current-modulated diode lasers

    Publication Year: 1984, Page(s):1045 - 1050
    Cited by:  Papers (60)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB)

    The use of current-modulated semiconductor lasers for optical heterodyne spectroscopy has been investigated at modulation frequencies up to 2.6 GHz. The current modulation produces a simultaneous frequency and amplitude modulation of the laser output. A characteristic heterodyne spectrum occurs when the modulated laser probes a narrow absorption line. In order to analyze the measured spectra, a co... View full abstract»

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  • The nonlinear interaction between an electron and multimode fields in an electromagnetically pumped free electron laser

    Publication Year: 1984, Page(s):1079 - 1085
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    We consider the motion of an electron under the influence of two counterpropagating multimode electromagnetic waves and a longitudinal electrostatic field. General equations of motion are presented from which a simple wavelength scaling condition is deduced for minimizing detrapping effects. An interaction coherence time or a maximum useful interaction length parameter is derived. The full equatio... View full abstract»

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  • Limits on the single-pass higher harmonics FEL operation

    Publication Year: 1984, Page(s):1003 - 1005
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    The Lawson-Penner limit is used to gain some insight on the best performances of a single-pass higher order harmonic FEL operation. It is pointed out that under suitable conditions, a low energy accelerating device may be used to obtain FEL operation in the visible or UV region. View full abstract»

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  • On fluctuations and transients in injection lasers

    Publication Year: 1984, Page(s):1032 - 1044
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1360 KB)

    A new computer model of the semiconductor injection laser is described. The electron-photon interactions are introduced using a Monte Carlo technique in combination with multimode rate equations to compute laser output versus time and to compute output power probability density. Laser turn-on initially in a side mode, followed by evolution to the normal equilibrium modal power distribution, is sho... View full abstract»

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  • Slab waveguides characterized by moments of the index profile

    Publication Year: 1984, Page(s):996 - 999
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    The fundamental mode of a symmetric slab waveguide is described to a high degree of accuracy using only two moments of the refractive index profile rather than its exact form. The two moments can be used to define an equivalent step index slab waveguide, and the fundamental mode propagation constant of an arbitrary profile guide is given by the step index value multiplied by a simple correction fa... View full abstract»

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  • Stability analysis for a semiconductor laser in an external cavity

    Publication Year: 1984, Page(s):1023 - 1032
    Cited by:  Papers (145)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1136 KB)

    A detailed theoretical analysis of stability is presented for a semiconductor laser in an external cavity. The limits of stable operation are determined as a function of the external cavity parameters and the linewidth enhancement factor α. Instability is related to jumps of the laser frequency between external cavity modes (frequency bistability) or to feedback-induced intensity pulsations d... View full abstract»

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  • Stimulated Raman forward scattering with a divergent or convergent pump beam

    Publication Year: 1984, Page(s):1065 - 1074
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1152 KB)

    Stimulated Raman forward scattering is investigated for a divergent or convergent pump beam. The rate equations for this case are derived and analytically solved, including pump depletion. The solutions are compared to an experiment where the generation of a Stokes pulse from noise is investigated with a pump beam of variable divergence. Theoretical and experimental results are in good agreement. ... View full abstract»

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Aims & Scope

The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Prof. Hon Ki Tsang
Chinese University of Hong Kong