IEEE Photonics Journal Impact Factor & Information

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

Journal description

Current impact factor: 2.21

Impact Factor Rankings

2015 Impact Factor Available summer 2016
2014 Impact Factor 2.209
2013 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 2.21
Cited half-life 2.50
Immediacy index 0.40
Eigenfactor 0.01
Article influence 0.81
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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  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: We propose cascaded mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM-PON) based on low mode-crosstalk few-mode fiber (FMF) and all-fiber mode multiplexer/demultiplexer (MUX/DEMUX), in which optical network units communicate with the optical line terminal utilizing different time slots and specific optical linearly polarized spatial modes. An MDM optical distribution network (ODN) is cascaded with multiple conventional TDM ODNs to effectively extend a larger scale of current commercial PON systems based on TDM. The upgrade from TDM-PON to the cascaded MDM-TDM-PON is simple and cost-effective. No multiple-input–multiple-output (MIMO) digital signal processing is required to eliminate the mode crosstalk. The all-fiber mode MUX/DEMUXs are composed of mode selective couplers, which simultaneously multiplex or demultiplex multiple modes. We experimentally demonstrate MDM-PON transmission over 10 and 55 km two-mode FMFs and cascaded MDM-TDM-PON transmission over a 10-km two-mode FMF and a 10-km standard single-mode fiber with 10-Gb/s optical on–off keying (OOK) signal and direct detection.
    IEEE Photonics Journal 10/2015; 7(5):1-9. DOI:10.1109/JPHOT.2015.2470098
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    ABSTRACT: The nonlinearity of a light-emitting diode (LED) limits the system performance of a visible light communications (VLC) system. Many nonlinearity mitigation methods have been studied. Recent technology advances in the micro-LED array have provided a simple alternative to deal with the system nonlinearity. In this paper, we study the approach of providing multiple access for the VLC system with the micro-LED array. A code-division multiple-access (CDMA) scheme that enables multiple access with variable data rate is proposed. In addition, the proposed system architecture is immune to the nonlinearity of the micro-LED array, thus providing optimal system performance. Simulations and laboratory experiments show the robustness and consistency of the proposed scheme.
    IEEE Photonics Journal 10/2015; 7(5):1-9. DOI:10.1109/JPHOT.2015.2472287
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    ABSTRACT: We experimentally demonstrate a stable passively mode-locked Raman fiber laser delivering high-energy pulses that can be switched between the regime of hundreds of nanoseconds and that of picoseconds by the nonlinear polarization rotation technique. Maximum average output power values of 304 and 53 mW are obtained, respectively, for the two typical mode-locking states with the pulse duration of 500 ns and 180 ps at the fundamental repetition rate of 275 kHz. The corresponding single pulse energy is as much as 1.1 $mumbox{J} $ and 193 nJ, respectively. To the best of our knowledge, this is the highest pulse energy achieved from mode-locked Raman fiber lasers reported so far.
    IEEE Photonics Journal 10/2015; 7(5):1-7. DOI:10.1109/JPHOT.2015.2477515
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    ABSTRACT: We report numerical simulations on the high-order group-velocity-locked vector soliton (GVLVS) generation based on the fundamental GVLVS. The high-order GVLVS generated is characterized with a two-humped pulse along one polarization and a single-humped pulse along the orthogonal polarization. The phase difference between the two humps could be 180 . It is found that, by appropriately setting the time separation between the two components of the fundamental GVLVS, the high-order GVLVS with different pulsewidth and pulse intensity could be obtained. Either type “1+2” or “2+2” high-order GVLVS could be obtained.
    IEEE Photonics Journal 10/2015; 7(5):1-6. DOI:10.1109/JPHOT.2015.2478080
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    ABSTRACT: The signal-to-interference-plus-noise ratio of the noised single-sideband optical orthogonal frequency-division multiplexing (SSB-OOFDM) signal in a direct-detection OFDM system is first deduced theoretically. The relationship of the carrier-to-sideband ratio (CSR) and guard band (GB) to the signal-to-signal beat interference (SSBI) is explored. According to our theoretical analysis, the degradation caused by SSBI on the SSB-OOFDM signal becomes worse as the GB reduces, whereas the increase in the CSR can loosen this degradation. Therefore, a tradeoff between the GB and CSR balances their joint influence on system performance. The simulation for the 20-km optical link with 40-Gb/s 16-quadrature amplitude modulation (16-QAM) noised SSB-OOFDM signal is conducted to confirm our theoretical results. It shows that, without any complex device or algorithm, the GB can be reduced to 40% only by increasing the CSR to $sim$8 dB, and thus, the spectral efficiency of the DDO-OFDM link is improved after optimizing the CSR and GB of the SSB-OOFDM signal. In addition, the influence of the optical signal-to-noise ratio and the electronic filter on the optimum CSR of the system is further analyzed.
    IEEE Photonics Journal 10/2015; 7(5):1-13. DOI:10.1109/JPHOT.2015.2470130
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    ABSTRACT: Remote phosphor LED modules could offer advantages over the intimate white phosphor converted LEDs in terms of phosphor operation temperature, light extraction efficiency and angular color uniformity. Existing commercial devices show a large variety with respect to the dimensions of the mixing cavity, which raises the question towards the optimization of the topology. A simplified simulation model applying a two wavelength approach and considering the remote phosphor as one virtual surface to which three bidirectional scattering distribution functions are attributed (respectively describing the blue-blue, blue-yellow and yellow-yellow interaction) is developed and validated. This model has been used to analyze the impact of the cylindrical mixing cavity parameters such as the absolute reflectance, the diffuse-to-specular reflectance ratio and the height of the mixing cavity- and the pitch and angular full-width at half-maximum of the LEDs on the extraction efficiency, the yellowto- blue ratio and the irradiance uniformity. It can be concluded that in order to increase the efficacy substantially, the recuperation of the backward emission of the converted light can only be increased by avoiding further interaction with the phosphor plate. To this extent, other topologies than cylindrical mixing cavities must be considered.
    IEEE Photonics Journal 10/2015; PP(5-99):1-1. DOI:10.1109/JPHOT.2015.2468679
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    ABSTRACT: Digital signal processing has achieved great success in the field of signal processing over the past several decades. However, as the bandwidth requirement increases, the power consumption and effective number of bits (ENOB) of the analog-to-digital convertor (ADC) have become bottlenecks. One solution is returning to analog and applying microwave photonic technologies, which shows potential for multiband signal processing. In this paper, a programmable integrated analog photonic signal processor based on cascaded Mach???Zehnder interferometers (MZIs) and a channelized filter has been proposed. Different shapes of the signal processor can be acquired for different applications. The highest processing resolution is 143 MHz, and the processing range of the signal processor can be higher than 112.5 GHz. An application of the signal processor for the signal extraction in a radio frequency (RF) photonic frontend operating from L-band to K-band is presented.
    IEEE Photonics Journal 10/2015; 7(5):1-9. DOI:10.1109/JPHOT.2015.2471084
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    ABSTRACT: Achieving on-chip optical wavelength conversion is a long-pursued object with fundamental difficulty in integrated photonics. As a step toward this goal, we theoretically and numerically demonstrate that wavelength conversion can be realized in a high- photonic crystal nanocavity, without any phase matching and high power requirement. The wavelength conversion efficiency of nearly 100% is achieved for a broad conversion range, and the mechanism is attributed to the dynamic interaction between the trapped light and an ultrahigh- cavity.
    IEEE Photonics Journal 10/2015; 7(5):1-8. DOI:10.1109/JPHOT.2015.2478702
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    ABSTRACT: A novel design of polarization-independent surface plasmon multiplexer–demultiplexer (MUX/DEMUX) based on dual-core photonic crystal fiber with a central gold wire is proposed and analyzed. The cladding air holes are infiltrated with a nematic liquid crystal of type E7 with rotation angle , and the background material is a soft glass of type SF57 (lead silica). The simulation results are obtained using full-vectorial finite-difference method and coupled mode theory. At , the suggested MUX/DEMUX has a short device length of 953.254 for x-polarized modes with broad bandwidths of 235 and 175 nm around wavelengths of 1.3 and 1.55 , respectively, with low crosstalk better than −20 dB. For y-polarized modes, the reported MUX/DEMUX has short device length of 1322.86 with broad bandwidths of 193 and 170 nm around 1.3 and 1.55 , respectively. Moreover, the polarization independence is achieved with short device lengths of 1138.06 and 1180 at and 0°, respectively.
    IEEE Photonics Journal 10/2015; 7(5):1-10. DOI:10.1109/JPHOT.2015.2480538
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    ABSTRACT: We explain modal processes in 2-D guided-mode resonance reflectors with subwavelength periods in terms of the mode structure of quasi-equivalent 1-D grating-based reflectors. The 1-D gratings are designed via a second-order effective-medium theory. The principal features in the reflection spectra of the 2-D devices show good quantitative agreement with the corresponding 1-D grating spectra for small modulation strength. Thereby, clear connections are established with the TE and TM modal states of a reflector. For reflectors made with silicon that has a high index of refraction, there is qualitative agreement between the 2-D spectra and the concomitant 1-D modal signatures. Two-dimensional reflectors with periodic rods and holes are treated. In both cases, it is found that the spectra are dominated by contributions from a single polarization state in the 1-D grating equivalent. The results and methods provided herein enable improved understanding of the physical properties of 2-D resonant reflectors and the related 2-D modulated devices, including photonic crystal slabs. Hence, this methodology facilitates the design of 2-D reflectors in general as is straightforwardly applied to device architectures, materials, and spectral regions beyond those treated here.
    IEEE Photonics Journal 10/2015; 7(5):1-1. DOI:10.1109/JPHOT.2015.2473859
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    ABSTRACT: We present a novel optical sensor based on the design of ultrahigh- and low-mode-volume 1-D single photonic crystal (PhC) slot nanobeam cavity (SNC) in which the air-hole radius is parabolically tapered. The performance of the device is investigated theoretically. In order to achieve high -factor and high sensitivity simultaneously, the slot geometry is exploited to make the optical field strongly localized inside the low index region and overlaps sufficiently with the analytes. With the three-dimensional finite-difference time-domain (3D-FDTD) method, we demonstrate that the proposed single 1-D PhC-SNC sensor device possess an ultrahigh sensitivity ( ) up to 900 nm/RIU (refractive index unit, RIU) and a high -factor in air up to at the telecom wavelength range. The optimized figure of merit is . In addition, an ultrasmall mode volume of 0.01 has been achieved, which is more than three orders of magnitude smaller than our previous works [ Appl. Phys. Lett. 105, 063118 (2014)] and, thus, is potentially an ideal platform for realizing ultracompact laboratory-on-a-chip applications with dense arrays of functionalized spots for multiplexed gas sensing.
    IEEE Photonics Journal 10/2015; 7(5):1-8. DOI:10.1109/JPHOT.2015.2476761
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    ABSTRACT: We report on the implementation of a current drive modulation circuitry that is effective in suppressing speckle noise for laser diodes. The drive circuit allows for operating the laser diode current at constant dc or modulating the current with square or triangular wave signals. We theoretically investigate the speckle reduction factors that correspond to the different modes of operation. The theory predicts that triangular wave modulation gives the highest speckle reduction ratio. This means that when used as a projector, the laser should be fed with triangular modulated current for the most effective speckle suppression. We then verified the theoretical results by experimental measurements. We demonstrated effective speckle noise suppression by implementing a drive current modulator.
    IEEE Photonics Journal 10/2015; 7(5):1-6. DOI:10.1109/JPHOT.2015.2478697
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    ABSTRACT: Broadband supercontinuum (SC) spanning more than an octave was obtained in tapered seven-core photonic crystal fibers (PCFs) upon pumping with a 150-fs mode-locked fiber laser. The appearance of the second zero dispersion wavelength in the tapered section of the PCF limited the solitons' self-frequency shift. The simulations and experiments suggested that the unique group velocity in the tapered section could change the relative velocity of different spectral components, which resulted in some compression of the pulse in the time domain. It can be found that the spectral defects between the solitons were leveled up, and the visible region was enhanced remarkably, which was beneficial to control the SC generation. In addition, the interference fringes in the far field indicated the good spatial coherence of the output SC of the seven-core PCF.
    IEEE Photonics Journal 10/2015; 7(5):1-9. DOI:10.1109/JPHOT.2015.2470085
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    ABSTRACT: In this paper, we present a new adaptive image registration nonuniformity correction method with the function of eliminating ghost artifacts. This method assumes that the irradiation of objects stays unchanged during the adjacent two frames' time interval and then corrects the corresponding pixels of two frames by the result of image registration. With regard to real-time continuous image sequence, we first calculate the displacement vectors based on their row and column projections. Then, by bidirectional image registration, we can get the overlapped area matrices of two frames accurately. Meanwhile, a variance threshold is set to judge the scene classification, and then, displacement revising is selectively added to decrease stripe noise. Considering that moving targets exist, the error function for updating is also accordingly adapted to eliminate the ghost artifacts. By using the least-mean-square-error iteration algorithm, the gain and offset coefficients of the overlapped area can be updated in real time with the image sequence adaptively. The advantages of this algorithm lie in its high efficiency of image processing, low computational complexity, and few ghost artifacts. A clean infrared image sequence and two real infrared datasets with nonuniformity are used to compare the ability and correction performance of different algorithms. The results show that our algorithm performs better than other compared algorithms and obtains almost no ghost artifacts.
    IEEE Photonics Journal 10/2015; 7(5):1-16. DOI:10.1109/JPHOT.2015.2469192
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    ABSTRACT: A reverse ridge/slot hybrid chalcogenide glass waveguide with two vertical silicon dioxide slots is proposed in this paper. The fundamental quasi-TE mode of the waveguide shows an ultraflat dispersion with three zero-dispersion wavelengths. Its dispersion is confined between 26 and 27 ps/nm/km over a bandwidth of 1370 nm (from 1770 to 3140 nm). Two slots in the waveguide introduce the dispersion tailoring effect on the quasi-TE mode, which provides more flexibility for designing the waveguide dispersion. The nonlinear coefficient and the phase mismatching of the degenerate four-wave mixing (FWM) process in this waveguide are calculated, showing that it can support broadband FWM processes in near- and middle-infrared regions.
    IEEE Photonics Journal 10/2015; 7(5):1-9. DOI:10.1109/JPHOT.2015.2456062
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    ABSTRACT: Orthogonal frequency-division multiplexing (OFDM) has been widely studied and adopted in visible-light communication (VLC) systems because of its high spectral efficiency and low-complexity implementation. However, OFDM-based VLC systems suffer from a high peak-to-average power ratio (PAPR), along with the nonlinear transfer characteristics of light-emitting diodes (LEDs). In this paper, a subcarrier grouping scheme for an OFDM-based VLC system is proposed. This scheme exploits the property that one LED lamp usually contains multiple independent LED chips. In the proposed scheme, all OFDM signal subcarriers are divided into groups, and each group is transmitted by an individual LED chip while the same receiver structure is maintained. The PAPR is reduced significantly because only some of the subcarriers are located on each LED chip. Hence, the achievable input power can be increased, leading to a higher signal-to-noise ratio (SNR) and a lower bit error rate (BER). Simulated and experimental results demonstrate that the BER performance can be improved by over two orders of magnitude. Moreover, an adaptive switching mechanism is also proposed in this paper, in which a subcarrier grouping scheme is employed adaptively when the required input power is high. Simulation results validate that the proposed mechanism can enhance system robustness significantly.
    IEEE Photonics Journal 10/2015; 7(5):1-12. DOI:10.1109/JPHOT.2015.2477900
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    ABSTRACT: Nd(TTA) 3(TPPO) 2 complex (HTTA: 2-thenoyltrifluoroacetone, TPPO: triphenylphosphine oxide) doped SU-8 polymer waveguide amplifiers were demonstrated. The absorption and photoluminescence spectra were observed on a 100- -thick film of the Nd(TTA) 3(TPPO) 2 complex doped SU-8 polymer. Under excitation at 808 nm, the fluorescence was obtained at 904 nm, 1068 nm, and 1346 nm wavelengths. The full-width at half-maximum bandwidth was about 25 nm wide around 1068 nm. Using reactive ion etching technology, optical waveguides were fabricated by taking the Nd(TTA) 3(TPPO) 2 complex doped SU-8 polymer and polymethylmethacrylate (PMMA) material as the core and cladding layers, respectively. According to fundamental rate equations and optical power propagation equations, the gain characteristic of the polymer waveguide amplifier was simulated to be 5.1 dB/cm. An experimental setup for the optical gain measurement was established. A relative optical gain of about 2.4 dB/cm at 1064 nm was obtained in a 20-mm-long multimode waveguide for an input signal power value of 0.1 mW and pump power of 140 mW.
    IEEE Photonics Journal 10/2015; 7(5):1-7. DOI:10.1109/JPHOT.2015.2477278
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    ABSTRACT: We present the design, fabrication, and the characterization of a high-quality-factor (Q) and high-sensitivity photonic crystal (PhC) cavity sensor on the silicon-on-insulator platform. By optimizing the structure of the PhC cavity, most of the light can be distributed in the lower index region; thus, the sensitivity can be dramatically improved. The transmission spectrum of the PhC cavity sensor is measured by immersing the device into a sodium chloride (NaCl) solution of different mass concentrations. A Q factor of $1.3 times 10^{4}$ and a very high sensitivity of 428 nm/RIU have been experimentally demonstrated. Furthermore, the total size for the sensing part of the PhC cavity sensor is only $14.5 times 0.75 muhbox{m}^{2}$.
    IEEE Photonics Journal 10/2015; 7(5):1-6. DOI:10.1109/JPHOT.2015.2469131