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학술지 All-fiber 6-mode Multiplexers based on Fiber Mode Selective Couplers
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저자
장순혁, 문상록, Haoshuo Chen, Roland Ryf, Nicolas K. Fontaine, 박경준, 김광준, 이준기
발행일
201703
출처
Optics Express, v.25 no.5, pp.5734-5741
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.25.005734
협약과제
16MH5200, 멀티모드 기반의 10Km급 공간 다중 광전송 원천기술 연구, 김광준
초록
All-fiber 6-mode multiplexer composed of two consecutive LP11-mode selective couplers (MSC), two LP21-MSCs and an LP02-MSC is fully characterized by wavelengthswept interferometer technique. The MSCs are fabricated by polished-type fiber couplers coupling LP01 mode of a single mode fiber into a higher-order mode of a few mode fiber. A pair of the mode multiplexers has minimum mode dependent loss of 4 dB and high mode group selectivity of over 15 dB. Mode division multiplexed transmission enabled by the allfiber mode multiplexers is demonstrated over fiber spans of 117 km employing an in-line multi-mode optical amplifier. 6 modes of 120 Gb/s dual polarization quadrature phase shift keying signals combined with 30 wavelength channels are successfully transmitted.
KSP 제안 키워드
All-fiber, Dual Polarization Quadrature phase shift keying, Fiber coupler, Group selectivity, High mode, In-line, Mode division multiplexing(MDM), Multi-mode, Optical amplifier, Single-mode fiber(SMF), few mode fiber(FMF)