# IEEE Journal of Quantum Electronics

## Filter Results

Displaying Results 1 - 25 of 27
• ### [Front cover]

Publication Year: 2010, Page(s): C1
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• ### IEEE Journal of Quantum Electronics publication information

Publication Year: 2010, Page(s): C2
| PDF (37 KB)

Publication Year: 2010, Page(s):847 - 848
| PDF (36 KB)
• ### Photocurrent Modeling and Detectivity Optimization in a Resonant-Tunneling Quantum-Dot Infrared Photodetector

Publication Year: 2010, Page(s):849 - 859
Cited by:  Papers (6)
| | PDF (805 KB) | HTML

Theoretical modeling of the photocurrent and detectivity optimization of a resonant-tunneling quantum-dot infrared photodetector (RT-QDIP) based on nonequilibrium Green's function (NEGF) is presented. The interaction with light used in the model is based on the first-order dipole approximation and the Fermi golden rule, which is used to obtain the transition rates due to photon emission or absorpt... View full abstract»

• ### High-Extinction-Ratio Multipassband Filter With Flat-Top and Low-Dispersion

Publication Year: 2010, Page(s):860 - 870
Cited by:  Papers (1)
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This paper proposes a novel structure to realize a high-extinction-ratio multipassband filter (HERMPF) with flat-top, low dispersion, and large passband and stopband bandwidths. Spectrum and chromatic dispersion of the HERMPF are given under ideal conditions, which show that such a filter has excellent performance. Analysis on fabrication tolerances is given as well, focusing on factors such as th... View full abstract»

• ### A Model of Lasing Action in a Quasi-Four-Level Thin Active Media

Publication Year: 2010, Page(s):871 - 876
Cited by:  Papers (4)
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A self-consistent numerical model has been developed for simulating lasing properties of a typical thin-disk laser in detail. The temperature-dependent form of the Boltzmann occupation factors, absorption and stimulated-emission cross sections, and thermal conductivity of the Yb:YAG crystal as a quasi-four-level atomic system have been utilized for obtaining various effective operating variables. ... View full abstract»

• ### Polarization Sensitivity of Quantum Well Infrared Photodetector Coupled to a Metallic Diffraction Grid

Publication Year: 2010, Page(s):877 - 883
Cited by:  Papers (2)
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We study experimentally and numerically the polarization sensitivity of quantum well infrared photodetectors coupled to a diffraction grid. The polarization extinction ratio of such system is determined by two factors: polarization sensitivity of the diffraction grid and the intrinsic polarization sensitivity of the photodetector itself. The combined effect of these factors result in non-monotonic... View full abstract»

• ### Study of Light Emission Enhancement in Nanostructured InGaN/GaN Quantum Wells

Publication Year: 2010, Page(s):884 - 889
Cited by:  Papers (2)
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Recently, InGaN/GaN quantum wells with different nanostructures such as nanoholes and nanorods have been proposed to enhance the light emitting efficiency. This paper calculates the influence of nanostructures to the strain and band profile of the quantum well. The effects of strain relaxation and surface states are analyzed, which could possibly influence the diode emission properties. Our calcul... View full abstract»

• ### Highly Reliable High-Speed 1.1- $mu$m-Range VCSELs With InGaAs/GaAsP-MQWs

Publication Year: 2010, Page(s):890 - 897
Cited by:  Papers (19)
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In this paper, we describe high-speed 1.1-μm-range oxide-confined vertical-cavity surface-emitting lasers (VCSELs) for large-scale optical interconnection applications. For achieving high data rates up to 25 Gbit/s under high temperature, we applied InGaAs/GaAsP strain-compensated multiple quantum wells (SC-MQWs) as the active layer. The developed device showed 25 Gbit/s error-free operati... View full abstract»

• ### Diffraction Characteristics of Concentric Circular Metal Grating Operating at Terahertz Regime

Publication Year: 2010, Page(s):898 - 905
Cited by:  Papers (4)
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A rigorous coupled-wave model is proposed to simulate the diffraction characteristics of a concentric circular metal grating (CCMG) for an incident transverse-magnetic (TM) wave at terahertz frequency. An infinite series of spatial harmonic Floquet waves with Hankel distribution is used to describe the high-order diffraction waves. The corresponding coupled-wave equations are then solved numerical... View full abstract»

• ### Photonic Transitions (1.4 eV–2.8 eV) in Silicon p$^{+}$np$^{+}$ Injection-Avalanche CMOS LEDs as Function of Depletion Layer Profiling and Defect Engineering

Publication Year: 2010, Page(s):906 - 919
Cited by:  Papers (6)  |  Patents (2)
| | PDF (1958 KB) | HTML

p+np+ CMOS Si LED structures were modeled in order to investigate the effect of various depletion layer profiles and defect engineering on the photonic transitions in the 1.4-2.8 eV, 450-750 nm regime. Modeling shows that by utilizing a short linear increasing E-field in the p+n reverse-biased junction with a gradient of approximately 5 × 105 V cm View full abstract»

• ### Birefringence Analysis of Photonic-Bandgap Fibers Using the Hexagonal Yee's Cell

Publication Year: 2010, Page(s):920 - 930
Cited by:  Papers (2)
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A full-vectorial finite-difference scheme utilizing the hexagonal Yee's cell is used in this paper to analyze the modes of photonic-bandgap fibers with C6 v symmetry. Because it respects the fiber's native symmetry, this method is free from any numerical birefringence. We also incorporate in it techniques for reducing the memory requirement (up to 3 to 4 times) and computational ... View full abstract»

• ### Two- and Three-Photon Absorption Induced Emission, Optical Limiting and Stabilization of CdTe/CdS/ZnS Quantum Tripods System

Publication Year: 2010, Page(s):931 - 936
Cited by:  Papers (4)
| | PDF (1074 KB) | HTML

Two- and three-photon absorption and excitation properties of CdTe/CdS/ZnS quantum tripods in chloroform have been investigated by using ~160-fs laser pulses in the spectral range of ~(1150-1650) nm. The two- and three-photon excited up-conversion emission is located around 740-nm position; the emission intensity follows the square law and cubic law on the excitation intensity for the former and t... View full abstract»

• ### All-Optical Wavelength Conversion With Extinction Ratio Improvement of 100 Gb/s RZ-Signals in Ultralong Bulk Semiconductor Optical Amplifiers

Publication Year: 2010, Page(s):937 - 944
Cited by:  Papers (11)
| | PDF (873 KB) | HTML

All-optical wavelength conversion in ultralong semiconductor optical amplifier (UL-SOA) is presented. Opposite to other SOA based single path wavelength converters the UL-SOA's property as an extinction ratio (ER) regenerator can be used additionally to the wavelength conversion. When converting to lower wavelengths, cross-gain modulation as well as four-wave mixing (FWM) can be used as wavelength... View full abstract»

• ### Proposal for a Tunable and Switchable Multiwavelength Laser With Variable Spacing Based on Broadband Cascaded Quadratic Nonlinearity

Publication Year: 2010, Page(s):945 - 950
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A scheme to realize a tunable and switchable multi-wavelength laser with variable wavelength spacing is proposed based on broadband cascaded quadratic nonlinear interactions in an aperiodically poled MgO-doped lithium niobate (MgO:APPLN) waveguide. Four output wavelengths can be generated simultaneously from the laser and can be switched by tuning the operation temperature of MgO:APPLN. Additional... View full abstract»

• ### Wavelength Bistability and Switching in Two-Section Quantum-Dot Diode Lasers

Publication Year: 2010, Page(s):951 - 958
Cited by:  Papers (7)  |  Patents (1)
| | PDF (798 KB) | HTML

We report lasing wavelength bistability with respect to applied bias on the saturable absorbers in two-section mode-locked quantum dot lasers. We show data from three different devices exhibiting wavelength bistability. All lasers display wavelength bistability. Only one lasing wavelength is present at a time, with all other wavelengths totally quenched. The switchable ranges (the wavelength diffe... View full abstract»

• ### Long-Wave InAs/GaSb Superlattice Detectors Based on nBn and Pin Designs

Publication Year: 2010, Page(s):959 - 964
Cited by:  Papers (9)
| | PDF (1180 KB) | HTML

The development of type-II InAs/GaSb superlattice (SL) detectors with nBn and pin designs for the long-wave infrared (LWIR) spectral region is discussed. The dependence of dark current density and responsitivity of the pin photodetectors on doping type and level is investigated, and it is shown that dark current density decreases while responsivity and detectivity increase by p-doping the absorbin... View full abstract»

• ### Resonant Terahertz Generation by Optical Rectification of an Amplitude Modulated Surface Plasma Wave

Publication Year: 2010, Page(s):965 - 969
Cited by:  Papers (7)
| | PDF (307 KB) | HTML

An amplitude modulated surface plasma wave, produced via mode conversion of a laser, is shown to resonantly excite a surface plasma wave at the modulation frequency over a rippled metal free space interface. The pump surface plasma wave (SPW) exerts a ponderomotive force on metal electrons, imparting them an oscillatory velocity at the modulation frequency. This velocity beats with the surface mod... View full abstract»

• ### Generalized Free Wave Transfer Matrix Method for Solving the Schrödinger Equation With an Arbitrary Potential Profile

Publication Year: 2010, Page(s):970 - 975
Cited by:  Papers (5)
| | PDF (740 KB) | HTML

Transfer matrix method has been widely used to investigate the quantum phenomena in semiconductor materials and optoelectronic devices with an arbitrary potential profile. Free wave or complex exponential form transfer matrix method is easy to implement and also proved to be an efficient and accurate approach. However, there are numerical singularities in these kinds of matrices when the electron ... View full abstract»

• ### A Shot-Noise Limited Fiber Laser Source by Cascaded Passive Optical Filtering

Publication Year: 2010, Page(s):976 - 980
| | PDF (455 KB) | HTML

We present a technique for suppressing relative intensity noise in a fiber laser, which uses two Pound-Drever-Hall feedback control loops to lock two optical fiber ring resonators in series. The resonators act as cascaded passive optical filters to remove high frequency intensity noise. We describe and discuss the control scheme for holding the cavities on resonance, and present the experimental r... View full abstract»

• ### Characterization of Optical Emission Mechanism Utilizing Traveling Electron Beam on a Waveguide

Publication Year: 2010, Page(s):981 - 990
Cited by:  Papers (10)
| | PDF (892 KB) | HTML

The mechanism of optical emission from a high-refractive-index waveguide excited by a traveling electron beam was quantitatively investigated. The wavelength of optical emission was 1.5 ¿¿m at an electron acceleration voltage of approximately 40 kV. This optical emission is understood to be a type of Cherenkov radiation. However, the dynamics of each electron were analyzed on the basis of quantum ... View full abstract»

• ### Single-Photon Detection Timing Jitter in a Visible Light Photon Counter

Publication Year: 2010, Page(s):991 - 995
Cited by:  Papers (6)
| | PDF (625 KB) | HTML

Visible light photon counters (VLPCs) offer many attractive features as photon detectors, such as high quantum efficiency and photon number resolution. We report measurements of the single-photon timing jitter in a VLPC, a critical performance factor in a time-correlated single-photon counting measurement, in a fiber-coupled closed-cycle cryocooler. The measured timing jitter is 240 ps full-width-... View full abstract»

• ### New Characterization Technique for Femtosecond Laser Written Waveguides in Yb/Er-Codoped Glass

Publication Year: 2010, Page(s):996 - 1002
Cited by:  Papers (5)
| | PDF (652 KB) | HTML

We have developed a procedure for the complete characterization of femtosecond-laser written Er/Yb-codoped glass waveguides. The procedure is based on precise measurements of both pump and 1.5 ¿¿m -band output powers when the waveguide is diode-laser pumped at 980 nm. The dependence of these optical powers on the input pump power is fitted to the results derived from a detailed numerical model of ... View full abstract»

• ### Approximate Analysis of Nonlinear Operation of Square Lattice Photonic Crystal Laser

Publication Year: 2010, Page(s):1003 - 1008
Cited by:  Papers (5)
| | PDF (309 KB) | HTML

In this paper, an approximate method for the analysis of 2-D square lattice photonic crystal laser operation above the threshold is presented. Our approach is based on coupled wave equations, including gain saturation effect, and energy theorem. An expression for the small signal gain coefficient as a function of the output power, losses, coupling strength depending on the shape of the primitive c... View full abstract»

• ### Universal Charts for Optical Difference Frequency Generation in the Terahertz Domain

Publication Year: 2010, Page(s):1009 - 1013
Cited by:  Papers (8)
| | PDF (596 KB) | HTML

We present a universal and rigorous approach to study difference frequency generation in the terahertz domain, especially when reaching for the quantum efficiency limit. Through the definition of a suitable figure of merit, we have been able to keep the number of degrees of freedom to a minimum, in order to draw up suitably normalized charts, that enable to predict the optical-to-terahertz convers... View full abstract»

## 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