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Mutual injection locking between two DFB LDs which lase at frequencies separated by one Fabry-Perot mode spacing

Mutual injection locking between two DFB LDs which lase at frequencies separated by one Fabry-Perot mode spacing

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  • Author(s): R. Goto 1 ; T. Goto 1 ; H. Kasuya 2 ; M. Mori 2 ; K. Yamane 3
    • View affiliations
    • Affiliations: 1: Department of Quantum Engineering, Nagoya University, Nagoya, Japan
      2: Department of Information Network Engineering, Aichi Institute of Technology, Toyota, Japan
      3: Photonics Systems Development Department, Fujitsu Ltd., Kawasaki, Japan
  • Source: Volume 34, Issue 17, 20 August 1998, p. 1669 – 1670
    DOI:  10.1049/el:19981181 , Print ISSN 0013-5194, Online ISSN 1350-911X
© IEE
Published

A new type of mutual injection locking between two distributed feedback laser diodes (DFB LDs) of the same structure is proposed and experimentally confirmed. The lasing frequencies and the spectra are locked and stabilised when the lasing frequency difference of the two LDs was equal to one Fabry-Perot mode spacing.

Inspec keywords: optical communication equipment; laser frequency stability; wavelength division multiplexing; semiconductor lasers; distributed feedback lasers

Other keywords: lasing frequencies; DFB LDs; mutual injection locking; Fabry-Perot mode spacing; frequency difference

Subjects: Design of specific laser systems; Optical communication; Lasing action in semiconductors; Semiconductor lasers; Optical communication devices, equipment and systems

References

    1. 1)
      • L.W. Liou , M. Yu , T. Yoshino , G.P. Agrawal . Mutual injection locking of a fibre laser and a DFB semiconductor laser. Electron. Lett. , 1 , 41 - 42
    2. 2)
      • S. Kobayashi , T. Kimura . Injection locking characteristics of an AlGaAs semiconductor laser. IEEE J. Quantum Electron. , 9 , 915 - 917
    3. 3)
      • S. Kobayashi , J. Yamada , S. Machida , T. Kimura . Single-mode operation of 500 Mbit/s modulated AlGaAs semiconductor laserby injection locking. Electron. Lett. , 19 , 746 - 748
    4. 4)
      • L. Goldberg , H.F. Taylor , J.F. Weller . Intermodal injection locking of semiconductor lasers. Electron. Lett. , 20 , 809 - 811
    5. 5)
      • L. Goldberg , H.F. Taylor , J.F. Weller . FM sideband injection locking of diode lasers. Electron. Lett. , 23 , 986 - 987
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