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Author:

Zhou, Puxi (Zhou, Puxi.) | Niu, Lianze (Niu, Lianze.) | Hayat, Anwer (Hayat, Anwer.) | Cao, Fengzhao (Cao, Fengzhao.) | Zhai, Tianrui (Zhai, Tianrui.) (Scholars:翟天瑞) | Zhang, Xinping (Zhang, Xinping.) (Scholars:张新平)

Indexed by:

EI Scopus SCIE PubMed

Abstract:

In this study, high-order distributed-feedback (DFB) polymer lasers were comparatively investigated. Their performance relies on multiple lasing directions and their advantages include their high manufacturing tolerances due to the large grating periods. Nine laser cavities were fabricated by spin-coating the gain polymer films onto a grating structure, which was manufactured via interference lithography that operated at the 2nd, 3rd, and 4th DFB orders. Low threshold lasing and high slope efficiency were achieved in high-order DFB polymer lasers due to the large grating groove depth and the large gain layer thickness. A high-order DFB configuration shows possible advantages, including the ability to control the lasing direction and to achieve multiple-wavelength lasers. Furthermore, our investigation demonstrates that the increase in threshold and decrease in slope efficiency with an increase in the feedback order can be limited by controlling the structural parameters.

Keyword:

high-order slope efficiency laser threshold polymer lasers

Author Community:

  • [ 1 ] [Niu, Lianze]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Hayat, Anwer]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Cao, Fengzhao]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Zhai, Tianrui]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Zhang, Xinping]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
  • [ 6 ] [Niu, Lianze]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 7 ] [Hayat, Anwer]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 8 ] [Cao, Fengzhao]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 9 ] [Zhai, Tianrui]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 10 ] [Zhang, Xinping]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 11 ] [Zhou, Puxi]Univ Calif Irvine, Samueli Sch Engn, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA

Reprint Author's Address:

  • 翟天瑞

    [Zhai, Tianrui]Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China;;[Zhai, Tianrui]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

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Related Keywords:

Source :

POLYMERS

Year: 2019

Issue: 2

Volume: 11

5 . 0 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:166

Cited Count:

WoS CC Cited Count: 17

SCOPUS Cited Count: 18

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

Affiliated Colleges:

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