Room-temperature continuous-wave operation of lateral current injection wavelength-scale embedded active-region photonic-crystal laser

Shinji Matsuo, Koji Takeda, Tomonari Sato, Masaya Notomi, Akihiko Shinya, Kengo Nozaki, Hideaki Taniyama, Koichi Hasebe, Takaaki Kakitsuka

Research output: Contribution to journalArticle

118 Citations (Scopus)

Abstract

We have developed a wavelength-scale embedded active-region photonic-crystal laser using lateral p-i-n structure. Zn diffusion and Si ion implantation are used for p- and n-type doping. Room-temperature continuous-wave lasing behavior is clearly observed from the injection current dependence of the output power, 3dB-bandwidth of the peak, and lasing wavelength. The threshold current is 390 μA and the estimated effective threshold current is 9.4 μA. The output power in output waveguide is 1.82 μW for a 2.0-mA current injection. These results indicate that the embedded active-region structure effectively reduce the thermal resistance. Ultrasmall electrically driven lasers are an important step towards on-chip photonic network applications.

Original languageEnglish
Pages (from-to)3773-3780
Number of pages8
JournalOptics Express
Volume20
Issue number4
DOIs
Publication statusPublished - 2012 Feb 13
Externally publishedYes

Fingerprint

continuous radiation
photonics
injection
threshold currents
lasing
output
room temperature
wavelengths
crystals
lasers
thermal resistance
ion implantation
chips
waveguides
bandwidth

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Room-temperature continuous-wave operation of lateral current injection wavelength-scale embedded active-region photonic-crystal laser. / Matsuo, Shinji; Takeda, Koji; Sato, Tomonari; Notomi, Masaya; Shinya, Akihiko; Nozaki, Kengo; Taniyama, Hideaki; Hasebe, Koichi; Kakitsuka, Takaaki.

In: Optics Express, Vol. 20, No. 4, 13.02.2012, p. 3773-3780.

Research output: Contribution to journalArticle

Matsuo, S, Takeda, K, Sato, T, Notomi, M, Shinya, A, Nozaki, K, Taniyama, H, Hasebe, K & Kakitsuka, T 2012, 'Room-temperature continuous-wave operation of lateral current injection wavelength-scale embedded active-region photonic-crystal laser', Optics Express, vol. 20, no. 4, pp. 3773-3780. https://doi.org/10.1364/OE.20.003773
Matsuo, Shinji ; Takeda, Koji ; Sato, Tomonari ; Notomi, Masaya ; Shinya, Akihiko ; Nozaki, Kengo ; Taniyama, Hideaki ; Hasebe, Koichi ; Kakitsuka, Takaaki. / Room-temperature continuous-wave operation of lateral current injection wavelength-scale embedded active-region photonic-crystal laser. In: Optics Express. 2012 ; Vol. 20, No. 4. pp. 3773-3780.
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