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作者:

Niu, Ben (Niu, Ben.) | Ge, Kun (Ge, Kun.) | Xu, Zhiyang (Xu, Zhiyang.) | Shi, Xiaoyu (Shi, Xiaoyu.) | Guo, Dan (Guo, Dan.) | Zhai, Tianrui (Zhai, Tianrui.) (学者:翟天瑞)

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EI Scopus SCIE

摘要:

Tunable whispering-gallery-mode (WGM) lasers have been paid lots of attention for their potential applications in the photonic field. Here, a tunable polymer WGM laser based on laser diode pumping is realized with a threshold of 0.43 MW/cm(2) per pulse. The WGM laser is realized by a microfluidic microcavity, which consists of a quartz capillary and gain materials. The laser performance keeps stable for a long time (3.5 h), pumped by a 50-ns 50 Hz laser diode with a pumping peak power density of 1.08 MW/cm(2) per pulse. The lasing wavelength can be tuned over 15 nm by changing the gain material concentration from 3.5 mg/mL to 12.5 mg/mL in the microfluidic channel. Moreover, the lasing mode can be switched between transverse magnetic (TM) and transverse electric (TE) modes by adjusting the pump polarization. These results provide the basis for designing nanophotonic devices with laser diode pumping.

关键词:

tunable laser laser diode pumped polymer microfluidic channel

作者机构:

  • [ 1 ] [Niu, Ben]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Ge, Kun]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Xu, Zhiyang]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China
  • [ 4 ] [Shi, Xiaoyu]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China
  • [ 5 ] [Guo, Dan]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China
  • [ 6 ] [Zhai, Tianrui]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • 翟天瑞

    [Zhai, Tianrui]Beijing Univ Technol, Coll Phys & Optoelect, Fac Sci, Beijing 100124, Peoples R China

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来源 :

POLYMERS

年份: 2021

期: 20

卷: 13

5 . 0 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:96

JCR分区:1

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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