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      Author
      Shum, Perry Ping (11)
      Wong, Jia Haur (11)
      Aditya, Sheel (8)Lam, Huy Quoc (7)Lee, Kenneth Eng Kian (7)Wu, Kan (7)Lim, Peng Huei (6)Ouyang, Chunmei (5)Chen, Jianping (2)Obraztsova, E. D. (2)... View MoreDate2013 (1)2012 (7)2011 (1)2010 (2)Subject
      Engineering (11)
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      Photonic generation of frequency-tunable microwave signals using an array of uniformly spaced optical combs 

      Wong, Jia Haur; Lam, Huy Quoc; Aditya, Sheel; Zhou, Junqiang; Li, Nanxi; Xue, Jin; Lim, Peng Huei; Lee, Kenneth Eng Kian; Wu, Kan; Shum, Perry Ping (2012)
      We show analytically as well as experimentally a photonic technique for generation of frequency-tunable microwave signals. The technique involves propagating an array of uniformly spaced optical combs with identical comb ...
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      An optically tunable wideband optoelectronic oscillator based on a bandpass microwave photonic filter 

      Jiang, Fan; Wong, Jia Haur; Lam, Huy Quoc; Zhou, Junqiang; Aditya, Sheel; Lim, Peng Huei; Lee, Kenneth Eng Kian; Shum, Perry Ping; Zhang, Xinliang (2013)
      An optoelectronic oscillator (OEO) with wideband frequency tunability and stable output based on a bandpass microwave photonic filter (MPF) has been proposed and experimentally demonstrated. Realized by cascading a finite ...
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      High-energy dissipative soliton with MHz repetition rate from an all-fiber passively mode-locked laser 

      Jiang, Kai; Ouyang, Chunmei; Shum, Perry Ping; Wu, Kan; Wong, Jia Haur (2012)
      We experimentally demonstrate pulse energy enhancement in an all-fiber passively mode-locked laser operating in the large normal dispersion regime. By increasing the laser cavity length as well as its net cavity dispersion, ...
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      Linearization of an optically sampled analog-to-digital converter 

      Wong, Jia Haur; Aditya, Sheel; Lam, Huy Quoc; Lim, Peng Huei; Lee, Kenneth Eng Kian; Shum, Perry Ping (2012)
      In this paper, we show experimentally for the first time a 2 GSamples/s optically sampled analog-to-digital converter based on dual-output modulation and balanced photodetection scheme. Linearization in the form of arcsine ...
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      Photonic generation of tunable continuous-wave microwave signals using a temporally-stretched and chirped pulse-train 

      Wong, Jia Haur; Lam, Huy Quoc; Aditya, Sheel; Lee, Kenneth Eng Kian; Wong, Vincent; Lim, Peng Huei; Wu, Kan; Ouyang, Chunmei; Shum, Perry Ping (2012)
      We show analytically and experimentally that direct photodetection of a temporally-stretched and chirped optical pulse-train together with its time-delayed replica can be exploited to realize the generation of tunable ...
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      Photonic generation of microwave pulses with wide frequency multiplication tuning range 

      Wong, Jia Haur; Aditya, Sheel; Lim, Peng Huei; Shum, Perry Ping; Lam, Huy Quoc; Lee, Kenneth Eng Kian (2012)
      In this paper, we propose an approach to generate microwave pulses with wide frequency multiplication tuning range based on the unbalanced temporal pulse shaping (TPS) principle. The key to achieving a wide tuning range ...
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      Noise conversion from pump to the passively mode-locked fiber lasers at 1.5 μm 

      Wu, Kan; Shum, Perry Ping; Aditya, Sheel; Ouyang, Chunmei; Wong, Jia Haur; Lam, Huy Quoc; Lee, Kenneth Eng Kian (2012)
      We characterize the noise conversion from the pump relative intensity noise (RIN) to the RIN and phase noise of passively mode-locked lasers at 1.5 μm. Two mode locking mechanisms, nonlinear polarization rotation (NPR) and ...
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      Nonlinear coupling of relative intensity noise from pump to a fiber ring laser mode-locked with carbon nanotubes 

      Wu, Kan; Wong, Jia Haur; Shum, Perry Ping; Fu, Songnian; Ouyang, Chunmei; Wang, Honghai; Kelleher, E. J. R.; Chernov, A. I.; Obraztsova, E. D.; Chen, Jianping (2010)
      Pump relative intensity noise (RIN) has been recognized as a major source of noise in mode-locked lasers. The coupling of RIN from the pump to the output of a passively mode-locked fiber laser (PMFL) is systematically ...
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      Frequency response of the noise conversion from relative intensity noise to phase noise in the photodetection of an optical pulse train 

      Wu, Kan; Ouyang, Chunmei; Wong, Jia Haur; Aditya, Sheel; Shum, Perry Ping (2011)
      The frequency response of the noise conversion from the relative intensity noise (RIN) to the phase noise in the photodetection process of an optical pulse train is characterized with pump modulation method. It is found ...
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      Frequency-tunable millimeter-wave generation technique based on spectral-filtering of a supercontinuum source 

      Wong, Jia Haur; Aditya, Sheel; Lam, Huy Quoc; Lim, Peng Huei; Eng, Kenneth Kian Lee; Shum, Perry Ping (2012)
      In this paper, we show analytically for the first time that spectral-filtering a supercontinuum source into equally-spaced optical combs with identical comb profile can lead to the generation of frequency-tunable microwave ...
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