Brillouin dynamic grating erasure technique for fast all-optical signal processing

Dengwang Zhou, Pengduo Li, Dexin Ba, Wuliji Hasi, Yongkang Dong

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Brillouin dynamic grating (BDG) is an attractive storage unit for all-optical signal storage and processing. However, the processing speed of the traditional “write–read” scheme is severely limited by the inter-process interference (IPI) due to the residual BDG. Here, we propose an all-optical “write–read–erase” scheme to avoid the IPI effect, which can effectively eliminate the residual BDG through an erase pulse. In a numerical simulation, for multi-processes to store a 7 × 7-bits Simplex code, each time, the residual BDGs from the former process are erased for the proposed scheme, and the power fluctuation of the retrieved waveform is suppressed within ±10%. In a preliminary experiment, residual BDG erase efficiencies up to 88.5% can be achieved by introducing erase pulses to neglect the IPI effect on the retrieved waveform. Without the IPI effect, all-optical signal processing will availably be speeded up, especially for short on-chip integrated circuits.

Original languageEnglish
Pages (from-to)3211-3214
Number of pages4
JournalOptics Letters
Volume47
Issue number13
DOIs
StatePublished - 1 Jul 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 Optica Publishing Group

Funding

National Natural Science Foundation of China (62005067); National Postdoctoral Program for Innovative Talents (BX20200104); China Postdoctoral Science Foundation (2020M681088); Postdoctoral Scientific Research Development Fund of Heilongjiang Province (LBH-Z20067); Scientific Research Foundation for Postdoctoral Teacher of Harbin Institute of Technology (AUGA5630100120). Funding. National Natural Science Foundation of China (62005067); National Postdoctoral Program for Innovative Talents (BX20200104); China Postdoctoral Science Foundation (2020M681088); Postdoctoral Scientific Research Development Fund of Heilongjiang Province (LBH-Z20067); Sci- entific Research Foundation for Postdoctoral Teacher of Harbin Institute of Technology (AUGA5630100120).

FundersFunder number
Scientific Research Foundation for Postdoctoral Teacher of Harbin Institute of Technology
Postdoctoral Scientific Research Development Fund of Heilongjiang ProvinceLBH-Z20067
National Natural Science Foundation of China62005067
China Postdoctoral Science Foundation2020M681088
Harbin Institute of TechnologyAUGA5630100120
National Postdoctoral Program for Innovative TalentsBX20200104

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