상세정보
학술지
Burst-mode Optical Transmitter with DC-coupled Burst-enable Signal for 2.5-Gb/s GPON System
- 발행일
- 200801
- 출처
- Microelectronics Journal, v.39 no.1, pp.112-116
- ISSN
- 0026-2692
- 출판사
- Elsevier
- 협약과제
- 08ZT1100, 광가입자망(FTTH)서비스 개발 실험사업, 고재상
- 초록
- In this paper, first burst-mode transmitter for 2.5-Gb/s gigabit-capable passive optical networks (GPON) system is evaluated. Small form factor (SFF) type optical network unit (ONU) generates 2.5-Gb/s optical eyes with commercial distributed feedback-laser diode (DFB-LD). For the fast burst signal access, burst enable (BEN) connection on the evaluation board utilizes DC-coupling configuration. Resultant optical output waveform shows 16.30 dB extinction ratio with wide eye opening for GPON mask test. No significant eye degradation is detected in high temperature operation and after 10 km distance transmission. Proposed GPON ONU successfully shows fast timing characteristics of 2.17 nsec for Tx enable stage and 1.17 ns for Tx disable stage. © 2007 Elsevier Ltd. All rights reserved.
- KSP 제안 키워드
- Burst signal, DC-coupled, Distributed feedback, Fast Timing, High-temperature operation, Laser diode(LD), Optical network unit(ONU), Optical transmitters, Output waveform, Passive optical network, Timing characteristics