상세정보
학술지
Asymmetric sampled grating laser array for a multiwavelength WDM source
- 발행일
- 200212
- 출처
- IEEE Photonics Technology Letters, v.14 no.12, pp.1656-1658
- ISSN
- 1041-1135
- 출판사
- IEEE
- 협약과제
- 02MB4700, 하이브리드 집적 파장선택형 8채널 WDM 광원모듈, 김제하
- 초록
- We propose a multiwavelength laser array associated with asymmetric sampled grating lasers. The laser was designed to operate at the first-order reflection of a sampled grating with the aid of an index shifter. A four-channel laser array with 400-GHz wavelength spacing was fabricated and its operation at designed wavelengths was confirmed. Individual lasers showed a threshold current of 11-17 mA and slope efficiency of around 0.18 W/A. A high side-mode suppression ratio over 39 dB was observed as well.
- KSP 제안 키워드
- Four-Channel, High side, Laser array, Multiwavelength lasers, Sampled grating, Slope efficiency, Threshold current, WDM source, first-order, side mode suppression ratio(SMSR)