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IEEE Journal of Quantum Electronics

Issue 7 • July 1984

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Displaying Results 1 - 20 of 20
  • [Front cover and table of contents]

    Publication Year: 1984, Page(s): 0
    Request permission for commercial reuse | PDF file iconPDF (204 KB)
    Freely Available from IEEE
  • High-power difference-frequency generation at 5-11 µm in AgGaS2

    Publication Year: 1984, Page(s):698 - 699
    Cited by:  Papers (43)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (265 KB)

    Efficient generation of high peak power and high average power difference-frequency radiation, continuously tunable over the range of5-11 mum, has been achieved by mixing the Nd:YAG laser radiation with the output of an infrared dye laser pumped by the same Nd: YAG laser in AgGaS2. Peak pulse powers as high as 180 kW with an average power output of 14 mW were obtained around ... View full abstract»

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  • Broad-band guided-wave electrooptic modulators

    Publication Year: 1984, Page(s):723 - 727
    Cited by:  Papers (31)  |  Patents (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (961 KB)

    Lumped-element Mach-Zehnder interferometric modulators have been designed, fabricated in LiNbO3, tested and analyzed. These modulators had 3 dB bandwidths from 280 MHz to 2.75 GHz and Vπ's from 1 V to 4 V, respectively. A simpleRLCequivalent circuit is utilized to model the packaged modulator performance and results are compared with those measured using a swe... View full abstract»

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  • Analysis of mode behavior in a waveguide with graded index and gain

    Publication Year: 1984, Page(s):728 - 733
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (653 KB)

    Numerical analysis has been carried out for a waveguide with graded index and gain. It is shown that the radiation peak of the fundamental mode is deflected as the gradient of either the index or gain increases. The high-order modes also change their peak intensity ratio as the gradient of index or gain increases. The behavior of the fundamental mode is suitable for use in a beam scanner while tha... View full abstract»

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  • Stabilization of single frequency operation of coupled-cavity lasers

    Publication Year: 1984, Page(s):733 - 744
    Cited by:  Papers (33)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1232 KB)

    We present a theoretical analysis of cleaved coupled-cavity lasers. Mode selectivity arises from two mechanisms. The first is diffraction loss in the gap between the cleaved sections. The second is based on one section acting as a resonant reflector. Our analysis includes the change of refractive index with carrier density which shifts the cavity resonances and causes mode switching. Above thresho... View full abstract»

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  • An analysis of cleaved coupled-cavity lasers

    Publication Year: 1984, Page(s):754 - 764
    Cited by:  Papers (23)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1358 KB)

    We present an analysis of (GaAl)As cleaved coupled-cavity (C3) lasers incorporating gain dependence on pumping and wavelength of both laser segments as well as the effects of spontaneous emission in the lasing diode section and the known dependence of file refractive index on carrier density. Our model allows us to analyze the physical origin of the experimentally observed variations in... View full abstract»

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  • Difficulties associated with stimulated emission in a bismuth - Neon discharge

    Publication Year: 1984, Page(s):765 - 771
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (801 KB)

    The population of the metastable6p^{3}2D_{3/2}^{0}bismuth level has been determined by time-resolved absorption spectroscopy at times in the range1-10 mus after the start of the discharge in a bismuth vaporneon mixture, for a neon pressure of 13 mbar and a specific discharge energy of 1 mJ . cm-3. An exponential decay of the population is obse... View full abstract»

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  • An efficient double-pass Raman amplifier with pump intensity averaging in a light guide

    Publication Year: 1984, Page(s):772 - 785
    Cited by:  Papers (30)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1905 KB)

    Experimental observations on a double-pass methane Raman amplifier pumped by a KrF laser demonstrate efficient photon extraction (75-85 percent) of multiple pump pulses and high stage gain (10-20) with simultaneous intensity gain or "pulse compression" of about 2. The Stokes beam divergence is about 2.5 times the diffraction limit and is unchanged in the amplifier to within the precision of the ex... View full abstract»

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  • Experimental and theoretical studies on colliding pulse mode locking

    Publication Year: 1984, Page(s):797 - 803
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (751 KB)

    Experimental and theoretical studies on colliding-pulse mode locking (CPM) are presented. The equations of the theoretical model take into account all the orders in pulse energies and the results are calculated numerically. It is shown that the CPM laser has an asymmetric pulse shape which can be approximately expressed in terms of the "asymmetric hyperbolic secant" function,[exp (-t/T_{1}) +... View full abstract»

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  • Absorption and emission by atmospheric gases: The physical process

    Publication Year: 1984, Page(s): 818
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (110 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
  • High-efficiency pulse compression with intracavity Raman amplifiers

    Publication Year: 1984, Page(s):786 - 796
    Cited by:  Papers (5)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1072 KB)

    High-efficiency pulse compression using intracavity Raman amplifiers has been computed. The energy of a pump laser stored in a lossless cavity is extracted at the Stokes frequency by means of Raman amplification of an input Stokes pulse. Calculations are made for both long and short duration input Stokes pulses for different lossless cavities. As an example, we use a hydrogen-argon mixture as the ... View full abstract»

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  • Frequency synthesized and continuously tunable IR laser sources in 9-11 µm

    Publication Year: 1984, Page(s):700 - 709
    Cited by:  Papers (33)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1448 KB)

    A review of high-resolution microwave-tuned IR laser source with frequency-synthesized outputs exceeding 100 mW is presented. Details are given on system configuration, design parameters, tradeoff analysis, system optimization, and fabrication procedure, along with measured performance characteristics. View full abstract»

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  • Bifurcations in electrooptic bistable devices with short delay times in the feedback

    Publication Year: 1984, Page(s):690 - 693
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (616 KB)

    We have investigated experimentally the behavior of a hybrid bistable electrooptic device with a delayed feedback when the delay time is comparable to the time constant of the device. The behavior is governed by a nonlinear difference-differential equation. The threshold of instability and the period of the oscillations observed close to threshold agree relatively well with the predictions obtaine... View full abstract»

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  • Behavior of hydrogen molecules adsorbed on silica in optical fibers

    Publication Year: 1984, Page(s):694 - 697
    Cited by:  Papers (9)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    It is shown that molecular hydrogen weakly adsorbed on silica in optical fibers has a dipole moment and is active in infrared spectra. This causes a loss increase at 1.3 and 1.55 μm, which are the attractive wavelengths for optical fiber communication systems. In addition, it is shown that the loss spectra are also related to the fundamental SiO4tetrahedral vibrations rather than t... View full abstract»

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  • Gain and intervalence band absorption in quantum-well lasers

    Publication Year: 1984, Page(s):745 - 753
    Cited by:  Papers (303)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1000 KB)

    The linear gain and the intervalence band absorption are analyzed for quantum-well lasers. First, we analyze the electronic dipole moment in quantum-well structures. The dipole moment for the TE mode in quantum-well structures is found to be about 1.5 times larger at the subband edges than that of conventional double heterostructures. Also obtained is the difference of the dipole moment between TE... View full abstract»

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  • Degenerate four-wave mixing with surface guided waves

    Publication Year: 1984, Page(s):716 - 722
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (792 KB)

    The theory of degenerate four-wave mixing with surface guided waves is developed and used to derive expressions for the non-linear cross sections. The relative merits of using planar thin film dielectric waveguides versus surface plasmons guided by metal surfaces are discussed, with specific numerical examples based on PTS and InSb. View full abstract»

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  • Phase noise in a laser with output coupling

    Publication Year: 1984, Page(s):814 - 818
    Cited by:  Papers (42)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    An improved method of calculating the linewidth of a laser oscillator due to phase noise is proposed. The fluctuation in the output amplitude that leads to the phase diffusion is calculated as the amplified thermal and the quantum noise which are delta-correlated in time. The saturated gain distribution along the cavity axis that is consistent with the output coupling at the end surfaces is taken ... View full abstract»

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  • Phase and amplitude uncertainties in heterodyne detection

    Publication Year: 1984, Page(s):803 - 813
    Cited by:  Papers (155)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1200 KB)

    The quantum limits on simultaneous phase and squared-amplitude measurements made via optical heterodyne detection on a single-mode radiation field are established. The analysis proceeds from a fully quantum mechanical treatment of heterodyning with ideal photon detectors. A high mean field uncertainty principle is proven for simultaneous phase and squared-amplitude observations under the condition... View full abstract»

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  • Low-power nonlinear Fabry-Perot reflection in CdHgTe at 10 µm

    Publication Year: 1984, Page(s):710 - 715
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (952 KB)

    Measurements of the intensity dependence of CO2laser radiation reflected from a polished Cd0.23Hg0.77Te etalon at 77 K results in nonlinear features at power levels on the order of 1 mW, in good agreement with a theory which includes bandgap resonant nonlinearities and Auger carrier recombination. A high-reflectivity rear coating enhances these features, giving a c... 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