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Optics Letters

Optics Letters


  • Vol. 22, Iss. 2 — Jan. 15, 1997
  • pp: 126–128

Accurate frequency control of a mode-locked laser diode by reference-light injection

Mitsuhiro Teshima, Masafumi Koga, and Kenji Sato  »View Author Affiliations

Optics Letters, Vol. 22, Issue 2, pp. 126-128 (1997)

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Injection locking is employed to narrow the spectrum linewidth of individual modes of an active mode-locked laser diode (ML-LD). The multiple modes of the injection-locked ML-LD lie over 3.0 THz with 25-GHz spacing at 30 dB down; their linewidth and stability, ~25 MHz, are nearly the same as those of the master laser. We also demonstrate the accurate frequency measurement of laser diodes stabilized to molecular (H13C 15N ,13C2H 2) absorption lines by use of the injection-locked ML-LD.

© 1997 Optical Society of America

Mitsuhiro Teshima, Masafumi Koga, and Kenji Sato, "Accurate frequency control of a mode-locked laser diode by reference-light injection," Opt. Lett. 22, 126-128 (1997)

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