Browsing by Author "Chien, Hung-Chang"
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Item type:Item, 14 dB gain, 1.3 mu m diode laser amplifier with reshaping capability using main-mode suppression and injection technique(2006) ;Chien, Hung-Chang ;Lee, Chien-Chung ;Chi, Sien ;光電工程學系Department of PhotonicsA novel and cost-effective 1.3 mu m diode laser amplifier with reshaping capability using main-mode suppression and injection technique is proposed. 14-dB gain and 10-Gb/s transmission over 60-km with power penalty < 0.84 dB are achieved.Item type:Item, A novel 10 Gb/s TDM-PON using embedded clocks in centralized optical signals and conventional CW receivers for instantaneous burst-mode data and clock recovery(2008-01-01) ;Chien, Hung-Chang ;Huang, Ming-Fang ;Chowdhury, Arshad ;Yu, JianjunChang, Gee-KungA novel 10Gb/s TDM-PON architecture with embedded clocks in centralized optical signals is proposed. Using this scheme, 10Gb/s burst-mode data and clock recovery through low-cost, conventional CW receivers have been designed and demonstrated. (C) 2008 Optical Society of America.Item type:Item, A novel hybrid 10G/1G coexisted TDM-PON using central office controlled reflective transmitters for low-cost upstream 10G services(2007) ;Chien, Hung-Chang ;Huang, Ming-Fang ;Chowdhury, Arshad ;Chen, JyehongChi, SienA novel hybrid 10G/1G coexisted TDM-PON based on reflective ONUs is proposed and experimentally demonstrated. 10-Gb/s upstream is successfully achieved by 4 piped 2.5-Gb/s sub-units in the ONU with negligible power penalty less than 0.2dB.Item type:Item, All-optical 2R regenerator using self-seeded laser diode(2007-11-29) ;Chi, Sien ;Lee, Chien-ChungChien, Hung-ChangThe present invention is a self-seeded laser diode. The laser diode obtains a gain by itself without using expansive erbium-doped fiber amplifiers. Hence, the cost is reduced and the system is simplified.Item type:Item, Cost-effective colorless RSOA-based WDM-PON with 2.5 Gbit/s uplink signal(2008-01-01) ;Yeh, Chien-Hung ;Chien, Hung-Chang ;Chi, Sien ;光電工程學系Department of PhotonicsWe demonstrate a cost-effective FP-LD based CW injection light on OLT for colorless WDM-PON using RSOA-based ONU with 2.5 Gbit/s direct modulation upstream signal. The system performances of proposed colorless WDM-PON are also investigated. (c) 2008 Optical Society of America.Item type:Item, EDFA-free all-optical 2R regeneration using a compact self-seeded Fabry-Perot laser diode (vol 18, pg 1112, 2006)(2006-09-01) ;Chien, Hung-Chang ;Lee, Chien-Chung ;Lin, Chun-Ting ;Chi, Sien光電工程學系Item type:Item, Feasibility demonstration of 1.3/1.5 mu m amplifier-free transmission link at 10 Gb/s using two-mode injection locked laser diode as low-cost all-optical 2R regenerator(2006) ;Chien, Hung-Chang ;Lee, Chien-Chung ;Chi, Slen ;光電工程學系Department of PhotonicsThis study presents amplifier-free all-optical 2R regeneration schemes based on a compact self-seeded Fabry-Perot laser diode (SSFP-LD) at 1.5 mu m and a two-mode injection locked distributed feedback laser diode (TMIL DFB-LD) at 1.3 mu m, respectively. The proposed 2R regenerator achieve straight line transmissions at 10 Gb/s over 60/76 km at 13/1.5 mu m without any traditionally required optical amplifier. In addition, the amplified gain and regeneration performance is experimentally investigated.Item type:Item, Simple WDM-PON architecture to simultaneously provide triple-play services by using one single modulator(2008-01-01) ;Huang, Ming-Fang ;Yu, Jianjun ;Chien, Hung-Chang ;Chowdhury, ArshadChen, Jason (Jyehong)Simple WDM-PON testbed with centralized-lightwave using single-arm IM to provide 10Gb/s data and 2.5Gb/s digital video downstream and 2.5Gb/s upstream data has been demonstrated. After 20km SSMF, power-penalty for all channels is less than 0.5dB. (C) 2006 Optical Society of America.