Directly modulated quantum dot lasers on silicon with a milliampere threshold and high temperature stability

Yating Wan, Daisuke Inoue, Daehwan Jung, Justin C. Norman, Chen Shang, Arthur C. Gossard, John E. Bowers

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

Microring lasers feature ultralow thresholds and inherent wavelength-division multiplexing functionalities, offering an attractive approach to miniaturizing photonics in a compact area. Here, we present static and dynamic properties of microring quantum dot lasers grown directly on exact (001) GaP/Si. Effectively, a single-mode operation was observed at 1.3 μm with modes at spectrally distant locations. High temperature stability with T0∼103 K has been achieved with a low threshold of 3 mA for microrings with an outer ring radius of 15 μm and a ring waveguide width of 4 μm. Small signal modulation responses were measured for the first time for the microrings directly grown on silicon, and a 3 dB bandwidth of 6.5 GHz was achieved for a larger ring with an outer ring radius of 50 μm and a ring waveguide width of 4 μm. The directly modulated microring laser, monolithically integrated on a silicon substrate, can incur minimal real estate cost while offering full photonic functionality.
Original languageEnglish (US)
Pages (from-to)776-781
Number of pages6
JournalPhotonics Research
Volume6
Issue number8
DOIs
StatePublished - Aug 1 2018
Externally publishedYes

Bibliographical note

Generated from Scopus record by KAUST IRTS on 2023-09-18

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Fingerprint

Dive into the research topics of 'Directly modulated quantum dot lasers on silicon with a milliampere threshold and high temperature stability'. Together they form a unique fingerprint.

Cite this