[1] Aiello G R, Rogerson G D. Ultra-wideband wireless systems. IEEE Microwave Magazine, 2003, 4(2): 36-47
[2] Win M Z, Scholtz R A. Ultra-wide bandwidth time-hopping spreadspectrum impulse radio for wireless multiple-access communications. IEEE Transactions on Communications, 2000, 48(4): 679-689
[3] Porcino D, Hirt W. Ultra-wideband radio technology: potential and challenges ahead. IEEE Communications Magazine, 2003, 41(7): 66-74
[4] Chen X, Kiaei S. Monocycle shapes for ultra wideband system. In: Proceedings of IEEE International Symposium on Circuits and Systems, 2002, 1, I-597-I-600
[5] Kim H, Park D, Joo Y. All-digital low-power CMOS pulse generator for UWB system. Electronics Letters, 2004, 40(24): 1534-1535
[6] Bachelet Y, Bourdel S, Gaubert J, Chalopin H. Fully integrated CMOS UWB pulse generator. Electronics Letters, 2006, 42(22): 1277-1278
[7] Zhu L, Sun S, Menzel W. Ultra-wideband (UWB) bandpass filters using multiple-mode resonator. IEEE Microwave and Wireless Components Letters, 2005, 15(11): 796-798
[8] Kim S, Jang H, Choi S, Kim Y, Jeong J. Performance evaluation for UWB signal transmission with different modulation schemes in multi-cell environment distributed using ROF technology. In: Proceeding of IEEE International Workshop on Ultra Wideband Systems, 2004, 187-191
[9] Lin W, Chen J. Implementation of a new ultrawide-band impulse system. IEEE Photonics Technology Letters, 2005, 17(11): 2418-2420
[10] Zeng F, Yao J. Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragggrating-based frequency discriminator. IEEE Photonics Technology Letters, 2006, 18(19): 2062-2064
[11] Kawanishi T, Sakamoto T, Izutsu M. Ultra-wide-band signal generation using high-speed optical frequency-shift-keying technique. In: 2004 IEEE International Topical Meeting on Microwave Photonics, 2004, 48-51
[12] Chen H, Chen M, Qiu C, Zhang J, Xie S. UWB monocycle pulse generation by optical polarisation time delay method. Electronics Letters, 2007, 43(9): 542-543
[13] Zeng F, Yao J. An approach to ultrawideband pulse generation and distribution over optical fiber. IEEE Photonics Technology Letters, 2006, 18(7): 823-825
[14] Torres-Company V, Prince K, Monroy I T. Fiber transmission and generation of ultrawideband pulses by direct current modulation of semiconductor lasers and chirp-to-intensity conversion. Optics Letters, 2008, 33(3): 222-224
[15] Wang Q, Yao J. UWB doublet generation using nonlinearly-biased electro-optic intensity modulator. Electronics Letters, 2006, 42(22): 1304-1305
[16] Dong J J, Zhang X L, Xu J, Huang D X, Fu S N, Shum P. High order ultrawideband pulse generation from NRZ-DPSK signals. In: Proceedings of Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC 2008). San Diego: IEEE, 2008, 1-3
[17] Li J, Xu K, Fu S, Wu J, Lin J, Tang M, Shum P. Ultra-wideband pulse generation with flexible pulse shape and polarity control using a Sagnac-interferometer-based intensity modulator. Optics Express, 2007, 15(26): 18156-18161
[18] Yao J, Zeng F, Wang Q. Photonic generation of ultrawideband signals. Journal of Lightwave Technology, 2007, 25(11): 3219-3235
[19] Wang Q, Zeng F, Blais S, Yao J. Optical ultrawideband monocycle pulse generation based on cross-gain modulation in a semiconductor optical amplifier. Optics Letters, 2006, 31(21): 3083-3085
[20] Dong J J, Zhang X L, Xu J, Huang D X, Fu S N, Shum P. Ultrawideband monocycle generation using cross phase modulation in a semiconductor optical amplifier. Optics Letters, 2007, 32(10): 1223-1225
[21] Dong J J, Zhang X L, Xu J, Huang D X. All-optical ultrawideband monocycle generation utilizing gain saturation of a dark return-tozero signal in a semiconductor optical amplifier. Optics Letters, 2007, 32(15): 2158-2160
[22] Dong J J, Zhang X L, Xu J, Huang D X. Filter-free ultrawideband generation based on semiconductor optical amplifier nonlinearities. Optics Communications, 2008, 281(4): 808-813
[23] Zeng F, Wang Q, Yao J. All-optical UWB impulse generation based on cross-phase modulation and frequency discrimination. Electronics Letters, 2007, 43(2): 121-122
[24] Wang C, Zeng F, Yao J. All-fiber ultrawideband pulse generation based on spectral shaping and dispersion-induced frequency-to-time conversion. IEEE Photonics Technology Letters, 2007, 19(3): 137-139
[25] Wang Q, Yao J. An electrically switchable optical ultrawideband pulse generator. Journal of Lightwave Technology, 2007, 25(11): 3626-3633
[26] Lin W, Chen Y. Design of a new optical impulse radio system for ultra-wideband wireless communications. IEEE Journal of Selected Topics Quantum Electronics, 2006, 12(4): 882-887
[27] Xu J, Zhang X L, Dong J J, Liu D M, Huang D X. High-speed alloptical differentiator based on a semiconductor optical amplifier and an optical filter. Optics Letters, 2007, 32(13): 1872-1874
[28] Agrawal G P, Olsson N A. Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers. IEEE Journal of Quantum Electronics, 1989, 25(11): 2297-2306