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IEEE Journal of Quantum Electronics

Issue 10 • October 1986

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

    Publication Year: 1986, Page(s): 0
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    Freely Available from IEEE
  • Editorial announcement

    Publication Year: 1986, Page(s): 1926
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    Freely Available from IEEE
  • Frequency shift in a line center stabilized CO2laser

    Publication Year: 1986, Page(s):1928 - 1930
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    A shift in frequency of 3.5 MHz from the rotational line center has been observed in a power-stabilized CO2laser operating on theP(14)line. The shift was observed during long baseline interferometry experiments and is due to gain depletion by competing rotational levels. View full abstract»

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  • A self-consistent model of the lateral behavior of a twin-stripe injection laser

    Publication Year: 1986, Page(s):1975 - 1985
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2928 KB)

    A fully self-consistent computer model of the steady-state behavior of the zero-order lateral optical field of a GaAs twin-stripe injection laser is presented which takes into account current spreading in the p-type confining layer, the effect of lateral diffusion of carriers in the active layer, and bimolecular and stimulated radiative recombination. The results predict the lateral movement of th... View full abstract»

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  • Rigorous waveguiding analysis of the separated multiclad-layer stripe-geometry laser

    Publication Year: 1986, Page(s):1992 - 1998
    Cited by:  Papers (13)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2115 KB)

    The waveguide modes of separated multiclad-layer (SML) laser diodes are calculated accurately by means of laterally-coupled mode equations. Thereby, it is shown that the mode losses are appreciably higher as compared to previous calculations. In particular, enhancement of the mode losses in narrow-stripe SML lasers (w leq 5 mum) may explain the relatively high threshold currents and low... View full abstract»

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  • Internal and external field fluctuations of a laser oscillator: Part I--Quantum mechanical Langevin treatment

    Publication Year: 1986, Page(s):2032 - 2042
    Cited by:  Papers (52)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2991 KB)

    The amplitude and phase noise spectra of the internal and external fields of a laser oscillator are calculated using the quantum mechanical Langevin equations. The outgoing field spectra are demonstrated to be different from the internal field spectra. The outgoing photon fluxhat{N}from a laser oscillator operating at far above the threshold has a spectral density equal to the classical... View full abstract»

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  • Internal and external field fluctuations of a laser oscillator: Part II--Electrical circuit theory

    Publication Year: 1986, Page(s):2043 - 2051
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2417 KB)

    The amplitude and phase noise spectra of the internal and external fields of a negative resistance oscillator are derived using electrical circuit theory. It is shown that the difference between internal and external fluctuations becomes important in the quantum domain (homega > kT) where external noise sources are not negligible as they often are in the classical domain (... View full abstract»

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  • [Back cover]

    Publication Year: 1986, Page(s): 0
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    Freely Available from IEEE
  • Flashlamp-pumped Cr3+:GSAG laser

    Publication Year: 1986, Page(s):2058 - 2064
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2376 KB)

    Flashlamp-pumped vibronic lasing has been demonstrated at room temperature with the garnet Cr3+: GSAG. Continuous wavelength tuning was observed from 765 to 801 nm in preliminary experiments. An energy output of 110 mJ/pulse was obtained at 784 nm with a slope efficiency of 0.12 percent. Wavelength dependent gain and loss data are presented and are discussed with reference to Cr... View full abstract»

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  • Fast plasma mixing--A new excitation method for CW gas laser

    Publication Year: 1986, Page(s):2022 - 2025
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1336 KB)

    "Fast plasma mixing" is proposed as a method to generate population inversions on electronic transitions for continuous lasers. Selective excitation is accomplished by preparing collision partners for excitation in two or more separate beams. Excitation in a well-defined reaction volume and a fast flow in combination with a suitable resonator will allow the fast removal of decay products from the ... View full abstract»

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  • Characteristics of two cathode systems for CW transversely excited CO2lasers

    Publication Year: 1986, Page(s):2026 - 2031
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2232 KB)

    The operational characteristics of CW transversely excited CO2lasers were investigated for two cathode systems: newly developed bar cathode and conventional multipin cathode. CO2lasers employing both cathode systems had similar output characteristics and gave about 10 kW output and about 19 percent efficiency. Oscillation mode patterns and discharge stabilities differed a lit... View full abstract»

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  • Theory of electric field-induced optical modulation in single and multiquantum well structures using a Monte Carlo approach

    Publication Year: 1986, Page(s):2017 - 2021
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1568 KB)

    A Monte Carlo approach is used in conjunction with the variational method to calculate quasi-bound levels in arbitrary quantum wells in the presence of transverse electric field. This approach is expected to be superior to the conventional variational approach since the results do not depend upon the choice of any starting wave solution. The technique is applied to Al0.3Ga0.7... View full abstract»

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  • ScBO3:Cr--A room temperature near-infrared tunable laser

    Publication Year: 1986, Page(s):1931 - 1933
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (848 KB)

    We report the first room temperature tunable laser in a borate single crystal. A tuning range of 787-892 nm has been demonstrated in a ScBO3: Cr laser. The laser loss is estimated to be 1.3 percent/cm from our preliminary laser results. Spectroscopic measurements indicate that the material is clear of absorption loss in the lasing spectral region, and the relative fluorescence efficienc... View full abstract»

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  • A proposed 1 kW average power moving slab Nd:Glass laser

    Publication Year: 1986, Page(s):2052 - 2057
    Cited by:  Papers (6)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1928 KB)

    The design considerations of a high average power Nd : glass slab laser in which the slab moves between the pumping lamps to distribute the thermal loading over the area of the glass while maintaining high gain in the pumped volume are presented. Continuous wave operation and high repetition rate pulsed operation are projected at the 1kW average power level. View full abstract»

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  • Vacuum ultraviolet anti-Stokes Raman lasers

    Publication Year: 1986, Page(s):1967 - 1974
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2664 KB)

    Anti-Stokes Raman laser schemes in atomic sulphur and selenium are studied, allowing conversion of laser lines out of the 350- 178 nm range into the 200-130 nm range. The necessary population inversion with respect to the atomic metastable1S0levels is produced by photodissociation of the molecules COS and COSe with F2and ArF laser radiation, respectively. Anti-Stok... View full abstract»

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  • Effect of applied electric field on the buildup and decay of photorefractive gratings

    Publication Year: 1986, Page(s):1936 - 1941
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2048 KB)

    We have measured the real and imaginary parts of the experimental rate constant of the buildup and decay of photorefractive charge gratings in cubic crystalline insulating Bi12SiO20, in the presence of an externally applied voltage. The value of the resulting field in the crystal was monitored using the crystal's own electrooptic effect. We found agreement over our entire ran... View full abstract»

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  • Electron and hole impact ionization rates in InP/Ga0.47In0.53As superlattice

    Publication Year: 1986, Page(s):1986 - 1991
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1880 KB)

    The electron and hole impact ionization rates, α andβ, in an InP/Ga0.47In0.53As superlattice have been experimentally determined from photomultiplication data made on an InP/GaInAs superlattice photodiode. A Monte Carlo simulation of α and β in the superlattice has been developed, and the enhancement of impact ionization due to the effect of the band edge ... View full abstract»

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  • Definition of anisotropic aberrations in planar lenses

    Publication Year: 1986, Page(s):1934 - 1935
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB)

    Using recently developed techniques for calculating the effective index of refraction for off-axis propagation in Ti : LiNbO3waveguides and extraordinary ray tracing in uniaxial crystals we demonstrate numerically and define anisotropic aberrations and focal lengths in planar geodesic lenses for on-axis and off-axis wave propagation. View full abstract»

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  • Theory of the synchronously pumped fiber Raman laser

    Publication Year: 1986, Page(s):1953 - 1966
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3512 KB)

    Analyses of the synchronously pumped fiber Raman laser are presented under the parabolic approximation for gain shaping in both frequency and time domains. A master equation for the Stokes pulse consists of the group velocity dispersion of the fiber, the gain dispersion of the stimulated Raman scattering, a gain-shaping term due to the pump curvature, small depletion, and a walk-off effect. The pu... View full abstract»

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  • Steady-state coherent Raman beam combining with multiaxial mode lasers

    Publication Year: 1986, Page(s):1942 - 1952
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3672 KB)

    Forward-stimulated Raman scattering can be used to combine multiple broad-band pump beams into a single coherent Stokes wave. In this paper, the equations of motion for the Stokes electric field are derived in the presence of multiple pump waves propagating at slightly different angles with respect to the Stokes propagation direction. The solutions with pump depletion are presented for fully coher... View full abstract»

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  • Theory of the doped quantum well superlattice APD: A new solid-state photomultiplier

    Publication Year: 1986, Page(s):1999 - 2016
    Cited by:  Papers (32)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3208 KB)

    A new superlattice avalanche photodiode structure consisting of repeated unit cells formed from a p-i-n Al0.45Ga0.55As region immediately followed by near intrinsic GaAs and Al0.45Ga0.55As layers is examined using an ensemble Monte Carlo calculation. The effects of various device parameters, such as the high-field layer width, GaAs well width, low-field ... 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
Aaron R. Hawkins
Brigham Young University