首页|Gain-equalizable few-mode fiber optical parametric amplifier in telecom band

Gain-equalizable few-mode fiber optical parametric amplifier in telecom band

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  • NSTL
  • Elsevier
? 2021 Elsevier B.V.Using a 90-m-long few-mode dispersion-shifted fiber, we experimentally demonstrate the high-gain and large-bandwidth parametric amplification for both the LP01 and the LP11 modes via intramodal four-wave mixing (FWM) processes. We find that the gain for intramodal FWM in the higher-order spatial mode LP11 exhibits novel characteristics due to the coupling between polarization and spatial modes. Moreover, for the 1535 nm signal input propagating along the LP01 and LP11 modes, the gain-equalized amplification can be realized through the two intramodal FWM processes. Our investigation has potential application in developing low-noise amplifiers for mode-division multiplexing communication systems.

Few-mode fiberGain-equalized amplificationIntramodal four-wave mixingMode-division multiplexingOptical parametric amplifier

Cheng H.、Zhu S.、Huo N.、Guo C.、Cui L.、Li X.、Zhang Y.、Mo Q.、Vasilyev M.

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College of Precision Instruments and Opto-electronic Engineering Key Laboratory of Opto-Electronics Information Technology Ministry of Education Tianjin University

Fiberhome & Fujikura Optics Co Ltd

Department of Electrical Engineering University of Texas at Arlington

2022

10.1016/j.optcom.2021.127735

Optics Communications

Optics Communications

EISCI
ISSN：0030-4018
年,卷(期)：2022.508
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