Year 2009 |

L. Chiu, Q. Xue, and C. H. Chan, “Phase-conjugated arrays using low conversion-loss resistive phase-conjugating mixers and stub-loaded patch antennas,” IEEE Trans. Microwave Theory and Techniques, vol. 56, no. 8, pp. 1764-1733, Aug. 2008. |

S. W. Qu, J. L. Li, and Q. Xue, “High-gain wideband leaky-wave antenna excited by bowtie element,” IEEE Trans. on Antennas and Propagation, vol. 56, no. 8, pp. 2469-2474, Aug. 2008. |

J. Shi, J. X. Chen, and Q. Xue, “A differential voltage-controlled integrated antenna oscillator based on double-sided parallel-strip line,” IEEE Trans. Microwave Theory and Techniques, vol. 56, no. 10, pp. 2207-2212, Oct. 2008. |

K. W. Lau, K. Y. Chan, Q. Xue, and C. H. Chan, “Self-biased distributed amplifier: linearity improvement and efficiency enhancement,” Microwave and Optical Technology Letters, vol. 50, no. 10, pp. 2493-2497, Oct. 2008. |

J. L. Li, S. W. Qu, and Q. Xue, “A theoretical and experimental study of injection-locked fractional frequency dividers,” IEEE Trans. Microwave Theory and Techniques, vol.56, no.11, pp. 2399-2408, Nov. 2008. |

L. Chiu, and Q. Xue, “Oversize rectangular microstrip patch with higher-order mode suppression using multifeed network,” Microwave and Optical Technology Letters, vol. 50, no. 11, pp. 2749-2751, Nov. 2008. |

S. W. Qu, J. L. Li, Q. Xue, and C. H. Chan, “Wideband cavity-backed bowtie antenna with pattern improvement,” IEEE Trans. on Antennas and Propagation, vol. 56, no. 12, pp. 3850-3854, Dec. 2008. |

L. Chiu, Q. Xue, and C. H. Chan, “A compact wideband parallel-strip 180° hybrid coupler,” Microwave and Optical Technology Letters, vol. 50, no. 12, pp. 3271-3274, Dec. 2008. |

X. Y. Zhang, J. X. Chen, J. Shi, and Q. Xue, “High-selectivity dual-band bandpass filter using asymmetric stepped-impedance resonators,” Electronics Letters, vol. 45, no. 1, pp. 63-64, Jan. 2009. |

J. L. Li, S. W. Qu, and Q. Xue, “Compact microstrip lowpass filter with sharp roll-off and wide stop-band,” Electronics Letters, vol. 45, no. 2, pp.110-111, Jan. 2009. |

Y. Li, Q. Xue, E. K. N. Yung, and Y. Long, “Quasi microstrip leaky-wave antenna with a two-dimensional beam-scanning capability,” IEEE Trans. Antennas and Propagation, vol. 57, no. 2, pp. 347-354, Feb. 2009. |

M. Li, Q. Xue, and W. Che, “Wideband-integrated planar inverted-F antenna with meander line structures,” Microwave and Optical Technology Letters, vol. 51, no. 2, pp. 384-387, Feb. 2009. |

Q. Xue, S. W. Qu, and C. H. Chan, “Wideband cavity-backed bowtie antennas,” IEEE International Workshop on Antenna Technology 2009 (iWAT 2009), pp. 1-4, March 2009. |

S. W. Qu, J. L. Li, Q. Xue, C. H. Chan, and S. Li, “Wideband and unidirectional cavity-backed folded triangular bowtie antenna,” IEEE Trans. Antennas and Propagation, vol. 57, no. 4, pp. 1259-1263, April 2009. |

J. Shi, X. Y. Zhang, K. W. Lau, J. X. Chen, and Q. Xue, “Directional coupler with high directivity using metallic cylinders on microstrip line,” Electronics Letters, vol. 45, no. 8, pp. 415-417, April 2009. |

T. Yang, J. X. Chen, and Q. Xue, “Novel approach to the design of unequal power divider with high-dividing ratio,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1240-1243, May 2009. |

X. Y. Zhang, J. Shi, J. X. Chen, and Q. Xue, “Dual-mode dual-band bandpass filter based on double-sided parallel-strip line,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1361-1363, May 2009. |

J. L. Li, S. W. Qu, and Q. Xue, “Design of a compact dual-mode patch resonator band-pass filter,” Microwave and Optical Technology Letters, vol. 51, no. 5, pp.1382-1385, May 2009. |

S. W. Qu, C. H. Chan, and Q. Xue, “Ultrawideband composite cavity-backed rounded triangular bowtie antenna with stable pattern,” Journal of Electromagnetic Waves and Applications, vol. 23, no.5-6, pp.685-695, Jun. 2009. |

X. Y. Zhang, J. Shi, J. X. Chen, and Q. Xue, “Dual-band bandpass filter design using a novel feed scheme,” IEEE Microwave and Wireless Components Letters, vol. 19, no.6, pp. 350-352, Jun. 2009. |

S. W. Qu, C. H. Chan, and Q. Xue, “Wideband circularly polarized cavity-backed crossed loop antenna,” Microwave and Optical Technology Letters, vol. 51, no. 7, pp.1714-1718, July 2009. |

S. Q. Qu, C. H. Chan, and Q. Xue, “Ultrawideband composite cavity-backed folded sectorial bowtie antenna with stable pattern and high gain,” IEEE Trans. Antennas and Propagation, vol. 57, no. 8, pp. 2478-2483, Aug. 2009. |

Q. Xue, and S. W. Qu, “Compact loaded slot ring antenna for circularly polarised radiation,” Electronics Letters, vol. 45, no.17, pp. 866-867, Aug. 2009. |

G. L. Dai, X. Y. Zhang, C. H. Chan, Q. Xue, and M. Y. Xia, “An investigation of open- and short-ended resonators and their applications to bandpass filters,” IEEE Trans. Microwave Theory and Techniques, vol. 57, no. 9, pp. 2203-2210, Sept. 2009. |

K. J. Song, and Q. Xue, “Novel broadband bandpass filters using Y-shaped dual-mode microstrip resonators,” IEEE Microwave and Wireless Components Letters, vol. 19, no.9, pp. 548-550, Sept. 2009. |

K. J. Song, and Q. Xue, “Planar probe coaxial-waveguide power combiner/divider,” IEEE Trans. Microwave Theory and Techniques, vol. 57, no. 11, pp. 2761-2767, Nov. 2009. |

X. Y. Zhang, and Q. Xue, “Harmonic-suppressed bandpass filter based on discriminating coupling,” IEEE Microwave and Wireless Components Letters, vol. 19, no.11, pp. 695-697, Nov. 2009. |

K. W. Wong, C. Leung, and Q. Xue, “A compact dual-band bandstop filter,” Microwave and Optical Technology Letters, vol. 51, no. 12, pp. 2952-2954, Dec. 2009. |

K. J. Song, Y. Fan, and Q. Xue, “Millimeter-wave power amplifier based on coaxial-waveguide power-combining circuits,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 13-15, Jan. 2010. |

J. Shi, and Q. Xue, “Novel balanced dual-band bandpass filter using coupled stepped-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 19-21, Jan. 2010. |

K. J. Song, and Q. Xue, “Novel ultra-wideband (UWB) multilayer slotline power divider with bandpass response,” IEEE Microwave and Wireless Components Letters, vol. 20, no.1, pp. 46-48, Jan. 2010. |

L. Chiu, and Q. Xue, “Investigation of a wideband 90° coupler with an arbitrary coupling level,” accepted for publication in IEEE Trans. Microwave Theory and Techniques. |

X. Y. Zhang, and Q. Xue, “High-selectivity tunable bandpass filters with harmonic suppression,” accepted for publication in IEEE Trans. Microwave Theory and Techniques. |

J. Shi, and Q. Xue, “Differential bandpass filters with high common mode suppression,” accepted for publication in IEEE Trans. Microwave Theory and Techniques. |

Y. Li, Q. Xue, K. N. Yung, and Y. L. Long, “The periodic half-width microstrip leaky-wave antenna with a backward to forward scanning capability,” accepted for publication in IEEE Antennas and Propagation. |

X. Y. Zhang, and Q. Xue, “Planar tri-band bandpass filter with compact size” accepted for publication in IEEE Microwave and Wireless Components Letters. |

H. Wong, K. M. Mak, and K. M. Luk, "Wideband shorted bowtie patch antenna with electric dipole", IEEE Transactions on Antennas and Propagation, 56(7), July 2008, pp 2098-2101. |

S. S. L. Yang, K. F. Lee, A. K. Kishk, and K. M. Luk, "Cross polarization studies of rectangular patch antenna", Microwave and Optical Technology Letters, 50(8), August 2008, pp 2099-2103. |

S. H. Wong, K. L. Lau, and K. M. Luk, "Folded shorted patch antenna with an offset feeding probe", Microwave and Optical Technology Letters, 50(8), August 2008, pp 2114-2117. |

H. W. Lai, and K. M. Luk, "Electrically long rectangular patch antenna fed by meandering probe with wideband and high gain characteristics", Microwave and Optical Technology Letters, 50(9), September 2008, pp 2289-2292. |

L. Siu, and K. M. Luk, “Unidirectional antenna with loaded dielectric substrate”, IEEE Antennas and Wireless Propagation Letters, vol.7, pp.50-53, 2008. |

S. S. L. Yang, K. M. Luk, H. W. Lai, A. K. Kishk, and K. F. Lee, "A Dual-Polarized Antenna with Pattern Diversity", IEEE Antennas and Propagation Magazine, 50(6), December 2008, pp 71-79. |

L. Siu, H. Wong, and K. M. Luk, "A Dual-Polarized Magneto-Electric Dipole With Dielectric Loading", IEEE Transactions on Antennas and Propagation, 57(3), March 2009, pp 616-623. |

K. M. Mak and K. M. Luk, “A circularly polarized antenna with wide axial ratio beamwidth”, IEEE Transactions on Antennas and Propagation, 57(10), Oct 2009, pp.3309-3312. |

X. Wang, Z. Feng, and K. M. Luk, "Pattern and Polarization Diversity Antenna With High Isolation for Portable Wireless Devices", IEEE Antennas and Wireless Propagation Letters, Vol 8, 2009, pp 209-211. |

K. L. Lau, S. H. Wong and K. M. Luk, "Wideband Folded Feed L-Slot Folded Patch Antenna", IEEE Antennas and Wireless Propagation Letters, Vol 8, 2009, pp 340-343. |

B. Wu and K. M. Luk, "A Broadband Dual-Polarized Magneto-Electric Dipole Antenna With Simple Feeds", IEEE Antennas and Wireless Propagation Letters, Vol 8, 2009, pp 60-63. |

H. Wong, K. K. So and K. M. Luk, “Planar ring patch antenna with vertical ring for circularly polarization,” IEICE on Antennas and Propagation, Macau, pp. 29-32, Mar. 2009. |

L. Siu, H. Wong and K. M. Luk, “A Dual-Polarized Magneto-Electric Dipole with Dielectric Loading”, IEEE Transactions on Antennas and Propagation, vol. AP-57, no.3, pp. 616-623, Mar., 2009. |

B. Q. Wu and K. M. Luk, "A Wideband, Low-Profile, Conical-Beam Antenna With Horizontal Polarization for Indoor Wireless Communications," Antennas and Wireless Propagation Letters, IEEE , vol.8, no., pp.634-636, 2009. |

B. Q. Wu and K. M. Luk, "A Magneto-Electric Dipole With a Modified Ground Plane," Antennas and Wireless Propagation Letters, IEEE , vol.8, no., pp.627-629, 2009. |

B. Q. Wu and K. M. Luk, “A wideband low-profile conical beam antenna with horizontal polarization,” APMC 2009, Page(s):1806 – 1808, 7-10 Dec. 2009. |

B. Q. Wu and K. M. Luk, “The Design of Wideband Reconfigurable Antenna with Four Polarizations,” EuMC 2009, Page(s):759 – 762, Sept. 29 2009-Oct. 1 2009. |

Y. Shi, H. G. Wang, L. Long and C. H. Chan, “Multilevel Green’s function interpolation method for scattering from composite metallic and dielectric objects,” J. Opt. Soc. Am A, vol. 25, no. 10, pp. 2535-2548, Oct. 2008. |

G. H. Zhang, M. Y. Xia, and C. H. Chan, “Time domain integral equation approach for analysis of transient responses by metallic-dielectric composite bodies,” Progress in Electromagnetics Research, PIER 87, pp. 1-14, 2008. |

S. W. Huang, G. H. Zhang, M. Y. Xia and C. H. Chan, “Numerical analysis of scattering by dielectric random rough surfaces using modified SMCG scheme and curvilinear RWG basis function,” IEEE Trans. Antennas and Propagat., vol. 57, no. 10, pp. 3392-3397, Oct. 2009. |