Picosecond optical pulse generation from self-pulsating bisectional GaN-based blue-violet laser diodes

Takao Miyajima, Hideki Watanabe, Masao Ikeda, Hiroyuki Yokoyama

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Self-pulsations of 407 nm emitting GaN-based blue-violet laser diodes with bisectional (BS) electrodes were demonstrated by applying a reverse bias (VSA) to the subelectrode of the saturable absorber (SA) section. By increasing the injected current to the main electrode of the gain section with a reverse bias of VSA =-12 V, the optical pulses shortened to 30 ps. The optical peak output power was as high as 2.4 W with a pulse width of 30 ps and a repetition frequency of 0.9 GHz. This is so far the shortest pulse width from a self-pulsating BS GaN-based laser diode achieved by applying a reverse bias to the SA section.

Original languageEnglish
Article number161103
JournalApplied Physics Letters
Volume94
Issue number16
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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