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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

tunable laser laser diode pumped polymer microfluidic channel

Author Community:

  • [ 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

Reprint Author's Address:

  • 翟天瑞

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

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Source :

POLYMERS

Year: 2021

Issue: 20

Volume: 13

5 . 0 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:96

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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