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학술지 Flat-top supercontinuum generation via Gaussian pulse shaping
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저자
송민제, 한상필, 박재규, 최현종, 김성일, Thanh Tuan Tran, 김현덕, 송민협
발행일
202104
출처
Optics Express, v.29 no.8, pp.12001-12009
ISSN
1094-4087
출판사
Optical Society of America (OSA)
DOI
https://dx.doi.org/10.1364/OE.421876
협약과제
20HB2100, 멀티밴드 신호전송을 위한 다중 광채널 발생/조형 기술 개발, 송민협
초록
We present the flat-top supercontinuum source with high repetition rate over a broad bandwidth. The flatness and high repetition rate are achieved by iterative optical line-by-line spectrum shaping on electro-optic optical frequency combs. By applying Gaussian apodized pulse train to a highly nonlinear medium with optimized Gaussian coefficient and nonlinear polarization rotation techniques, we implemented here a flat-top supercontinuum with a 47.7 nm bandwidth at 3 dB and 30 GHz repetition rate. The generation of high repetition rate supercontinuum sources with smooth and coherent spectrum is the critical challenging task for many applications such as optical communications and the optical arbitrary waveform generation. This work leads us to new possibilities for generating hundreds or thousands of flattened coherent optical carriers with a simple configuration.
KSP 제안 키워드
30 GHz, Electro-Optic, Flat-Top, Gaussian Pulse, High repetition rate, Line spectrum, Nonlinear medium, Pulse shaping, Pulse train(PT), broad bandwidth, highly nonlinear