IEEE Photonics Journal

Publisher: Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers (IEEE)

Journal description

Current impact factor: 2.33

Impact Factor Rankings

2015 Impact Factor Available summer 2015
2013 / 2014 Impact Factor 2.33
2012 Impact Factor 2.356
2011 Impact Factor 2.32
2010 Impact Factor 2.344

Impact factor over time

Impact factor

Additional details

5-year impact 2.52
Cited half-life 1.90
Immediacy index 0.44
Eigenfactor 0.00
Article influence 0.91
Other titles Photonics journal, Institute of Electrical and Electronics Engineers photonics journal
ISSN 1943-0655
OCLC 232664463
Material type Periodical, Internet resource
Document type Internet Resource, Computer File, Journal / Magazine / Newspaper

Publisher details

Institute of Electrical and Electronics Engineers (IEEE)

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    • Publisher's version/PDF may be used
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    • Creative Commons Attribution License is available if required by funding agency
    • All titles are open access journals
    • This policy is an exception to the default policies of 'Institute of Electrical and Electronics Engineers (IEEE)'
  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: We report the optimization of hybrid silicon lasers for high-speed direct modulations by studying the small- and large-signal modulation responses based on the simple carrier transport model in this paper. The theoretical model matches well with published experimental data as the same structure parameters are used. To investigate the strong heating effect in hybrid lasers, we apply all of the carrier diffusion/capture and thermionic escape lifetimes to be temperature dependent in simulations. The frequency response of the small-signal analysis shows that the modulation bandwidth is much more sensitive to the temperature and the separate confinement heterostructure (SCH) thickness compared with the other limiting factors, such as the confinement factor, the interlayer thickness, etc. The largest modulation bandwidth decreases from 6.2 to 2.2 GHz under an injection current of 100 mA and an SCH thickness of 80 nm when the temperature rises from 300 to 350 K. The modulation speed will be greatly improved with a thinner SCH layer, particularly the p-type SCH layer, which helps shorten the diffusion lifetime. Furthermore, eye diagrams are also calculated under different bit rates, SCH thicknesses, and temperatures, respectively. With the increase of the temperature or SCH thickness, the quality of eye diagrams becomes worse. It shows that the modulation frequency can reach 10 Gb/s. We believe that this paper can serve as a guideline for the optimization of next-generation high-speed modulated hybrid silicon lasers.
    IEEE Photonics Journal 04/2015; 7(2):1-13. DOI:10.1109/JPHOT.2015.2404531
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    ABSTRACT: We propose the incorporation of graphene to integrated coupled resonator waveguides and side-coupled integrated spaced sequence of resonator devices to enable reconfigurable operation. The key element to achieve this is a tunable silicon graphene Mach–Zehnder interferometer (MZI) that acts as an equivalent variable 2 2 coupler, where the value of its coupling constant is changed by varying the chemical potential of a graphene section placed on top of one of its arms.
    IEEE Photonics Journal 04/2015; 7(2):1-9. DOI:10.1109/JPHOT.2015.2407314
  • [Show abstract] [Hide abstract]
    ABSTRACT: The communication between two legitimate peers in the presence of an external eavesdropper is studied from a physical-layer security perspective in the context of free-space optical (FSO) communications. We discuss viable mechanisms to eavesdrop the communication and study the effect of random optical irradiance fluctuations inherent to FSO communications on the probability of achieving a secure transmission. We observe that the joint effect of laser-beam divergence and turbulence-induced fading on the received irradiance, under certain conditions, allows an external eavesdropper close to the legitimate receiver to compromise the communication. Interestingly, we also observe that an eavesdropper placed close to the legitimate transmitter can easily compromise the communication by taking advantage of the larger attenuation suffered by the signal when propagating through the FSO link.
    IEEE Photonics Journal 04/2015; 7(2):1-14. DOI:10.1109/JPHOT.2015.2402158
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    ABSTRACT: We analytically calculate the forces generated on the near field by a focused azimuthally polarized Hermite–Gauss beam after passing a complex mask formed by two annular pupils. The resultant optical tractor beam shows two transport channels that move trapped objects upstream or downstream along the conveyor. From the analysis of the phase diagrams, we theoretically demonstrate that, depending on illumination intensity, the 3-D behavior of nanoparticles in this conveyor shows a limit cycle between transport channels. This limit cycle appears as a consequence of diffraction that produces spatially limited optical forces. We theoretically demonstrate the possibility of using the limit cycle to design a particle exchanger between channels.
    IEEE Photonics Journal 02/2015; 7(1). DOI:10.1109/JPHOT.2015.2402123
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    ABSTRACT: In this paper, a high-temperature fiber sensor based on an optical fiber Fabry-Perot interferometer is fabricated by splicing a section of simplified hollow-core fiber between two single-mode fibers (SMFs) and cleaving one of the two SMFs to a certain length. With the superposition of three beams of light reflected from two splicing joints and end face of the cleaved SMF, the modified Vernier effect will be generated in the proposed structure and improve the sensitivity of temperature measurement. The envelope of spectrum reflected from the proposed sensor head is modulated by the ambient temperature of the sensor head. By monitoring and measuring the shift of spectrum envelope, the measurement of environment temperature is carried out experimentally, and high temperature sensitivity of 1.019 nm/°C for the envelope of the reflected spectrum was obtained. A temperature measurement as high as 1050 °C has been achieved with excellent repeatability.
    IEEE Photonics Journal 02/2015; 7(1):1-10. DOI:10.1109/JPHOT.2015.2395136
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    ABSTRACT: We report on a diode-pumped passively mode-locked picosecond Tm:CaGdAlO4 (Tm:CALGO) laser using a semiconductor saturable absorber mirror as the mode locker. With Tm:CALGO disordered crystal as gain medium, the mode-locked laser generated pulses with pulse duration of 27 ps, repetition rate of 128.6 MHz, and maximum average power of 330 mW at 1949.5 nm. To the best of our knowledge, this is the first demonstration of a mode-locked Tm:CALGO disordered crystal laser. The continuous-wave (CW) laser performance of Tm:CALGO was also investigated, and the maximum CW power was 730 mW. Our research results show that Tm:CALGO crystal is an excellent bulk medium for picosecond pulse generation at 2-μm wavelength.
    IEEE Photonics Journal 02/2015; 7(1):1-5. DOI:10.1109/JPHOT.2014.2381638
  • [Show abstract] [Hide abstract]
    ABSTRACT: A proposal about a dielectric resonator nanoantenna applied to couple optical beams to a surface plasmon coplanar waveguide (SP CPW), and vice versa, was theoretically investigated. The effects of this device operating in optical frequencies were studied, taking into account the central frequency of the conventional optical communication spectrum (C-band). Numerical results show that this proposal is interesting in that it couples an optical beam with an SP CPW with a good reflection coefficient, gain, and broadside radiation pattern.
    IEEE Photonics Journal 02/2015; 7(1):1-1. DOI:10.1109/JPHOT.2015.2399353
  • IEEE Photonics Journal 02/2015; 7(1):1-1. DOI:10.1109/JPHOT.2015.2397275
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    ABSTRACT: A new microwave photonic signal processor that has the ability to realize a continuously tunable high-resolution notch filter response is presented. It is based on designing the filter impulse response to have a primary and secondary tap distribution. With a proper design on the tap amplitudes, the notch filter passband can be flattened. The filter notch frequency can be also continuously tuned by controlling the phase shift of the secondary taps via a diffraction-based Fourier-domain optical processor. The notch filter has a robust response and high signal-to-noise-ratio (SNR) performance. Experimental results demonstrate that the new microwave photonic notch filter can simultaneously realize a flat passband of only a 1-dB ripple, a large free spectral range of 4.7 GHz, and a notch depth of over 40 dB while tuning the notch frequency.
    IEEE Photonics Journal 02/2015; 7(1):1-11. DOI:10.1109/JPHOT.2015.2393874
  • [Show abstract] [Hide abstract]
    ABSTRACT: A new all-optical microwave photonic notch filter (MPNF) is presented. It is based on controlling the amplitude and phase of the optical carriers and RF phase modulation sidebands via a diffraction-based Fourier-domain optical processor. It has the ability of realizing a flat-passband, narrow-notch, and large-free-spectral-range amplitude response and a group delay response with very few ripples. The carrier and sideband optical phase controls enable a continuous notch frequency tuning operation to be realized without altering the response shape. The filter has a simple structure and a wide bandwidth as it only involves optical components. Experimental results demonstrate an MPNF that exhibits a flat passband with <; 1 dB ripples, a deep notch of > 35 dB, and low group delay ripples of <; ±25 ps, together with the continuous notch frequency tunability and excellent long-term stability and repeatability.
    IEEE Photonics Journal 02/2015; 7(1):1-11. DOI:10.1109/JPHOT.2015.2396119
  • [Show abstract] [Hide abstract]
    ABSTRACT: A distributed fiber sensing system based on ultraweak FBGs (UWFBGs) assisted polarization optical time-domain reflectometry (POTDR) is proposed for load and vibration sensing with improved signal-to-noise ratio (SNR) and sensitivity. UWFBGs with reflectivity higher than Rayleigh scattering coefficient per pulse are induced into a POTDR system to increase the intensity of the back signal. The performance improvement of the system has been studied. The numerical analysis has shown that the SNR and sensitivity of the system can be effectively improved by integrating UWFBGs along the whole sensing fiber, which has been clearly proven by the experiment. The experimental results have shown that by using UWFBGs with 1.1 × 10-5 reflectivity and 10-m interval distance, the SNR is improved by 11 dB, and the load and vibration sensitivities of the POTDR are improved by about 10.7 and 9 dB, respectively.
    IEEE Photonics Journal 02/2015; 7(1):1-11. DOI:10.1109/JPHOT.2015.2396010
  • [Show abstract] [Hide abstract]
    ABSTRACT: A microwave photonic filter (MPF) with complex coefficient based on the frequency transparent magnitude response by independent control of the frequency and power of two stimulated Brillouin scattering (SBS) pumps is proposed and experimentally demonstrated. The motivation of this paper lies in the fact that the operation bandwidth of the previous SBS-based complex coefficient MPFs is unavoidably limited by the Brillouin frequency shift. In our scheme, the complex coefficients are obtained by a broadband microwave photonic phase shifter based on the two SBS pumps. The two SBS pump signals are located at the same side of the optical carrier. In principle, the working bandwidth of the proposed MPF is infinite. One pump is used to introduce a controllable phase shift on the optical carrier, whereas the other pump is used to retain the power of the optical carrier invariant. By simply changing the phase shift of a complex coefficient, the frequency response of the two-tap complex coefficient MPF is continuously tuned over the full free spectral range (FSR), keeping shape and FSR invariant.
    IEEE Photonics Journal 02/2015; 7(1):1-1. DOI:10.1109/JPHOT.2015.2390150
  • [Show abstract] [Hide abstract]
    ABSTRACT: We report a broadband 4 $times$ 4 nonblocking optical switch with Mach–Zehnder interferometers (MZIs) as switch elements on a silicon platform. Silicon resistive heaters are used for phase error correction of MZI arms with total thermooptic power consumption of 33.7 mW. Fast switching is enabled by p-i-n diodes, with average electrooptic tuning power of 14.3 mW for the 24 essential switching states as required for nonblocking routing. The average on-chip insertion loss is 5.8–7.7 dB and crosstalk better than $-$12 dB at wavelength of 1550 nm. Optical transmission experiments using a high-throughput 50 Gb/s quadrature phase-shift keying (QPSK) optical signal reveal that no significant deterioration is observed on constellation diagrams.
    IEEE Photonics Journal 02/2015; 7(1):1-8. DOI:10.1109/JPHOT.2015.2390195