Semiconductor double-ring-resonator-coupled tunable laser for wavelength routing

Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Tomonari Sato, Yasuhiro Kondo, Ryo Takahashi

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

A monolithic widely tunable semiconductor laser based on a double-ring resonator is developed for use in a wavelength-routing switch. By using the double-ring resonator as a wavelength-selective filter, operation over a wide wave-length tuning range is achieved with a low tuning current. This low-tuning-current operation makes the laser very promising as a high-speed tunable light source for a wavelength-routing-based switch by effectively suppressing the thermal wavelength drift induced by current injection. In addition, the laser fabrication process is simpler compared to conventional distributed Bragg reflector tunable lasers. A tuning range of 50.0 nm, covering the entire C-band, is successfully demonstrated with an injection current of less than 5.2 mA. The wavelength drift caused by the thermal transients is less than 5 GHz.

Original languageEnglish
Pages (from-to)892-899
Number of pages8
JournalIEEE Journal of Quantum Electronics
Volume45
Issue number7
DOIs
Publication statusPublished - 2009 Dec 1
Externally publishedYes

Fingerprint

Laser tuning
tunable lasers
Resonators
resonators
Semiconductor materials
Wavelength
tuning
rings
Tuning
wavelengths
switches
injection
DBR lasers
Switches
C band
Distributed Bragg reflectors
Wave filters
Lasers
lasers
light sources

Keywords

  • Integrated optoelectronics
  • Laser stability
  • Laser tuning
  • Photonic integrated circuits
  • Photonic switching systems
  • Ring resonator
  • Semiconductor lasers
  • Tunable laser
  • Wavelength-routing switch

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Semiconductor double-ring-resonator-coupled tunable laser for wavelength routing. / Segawa, Toru; Matsuo, Shinji; Kakitsuka, Takaaki; Sato, Tomonari; Kondo, Yasuhiro; Takahashi, Ryo.

In: IEEE Journal of Quantum Electronics, Vol. 45, No. 7, 01.12.2009, p. 892-899.

Research output: Contribution to journalArticle

Segawa, Toru ; Matsuo, Shinji ; Kakitsuka, Takaaki ; Sato, Tomonari ; Kondo, Yasuhiro ; Takahashi, Ryo. / Semiconductor double-ring-resonator-coupled tunable laser for wavelength routing. In: IEEE Journal of Quantum Electronics. 2009 ; Vol. 45, No. 7. pp. 892-899.
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