Single quantum-well transistor lasers operating error-free at 22 Gb/s

Rohan Bambery, Curtis Yilin Wang, Fei Tan, Milton Feng, Nick Holonyak

Research output: Contribution to journalArticlepeer-review

Abstract

Data are presented showing error-free transmission by a 200- $\mu $ m-long transistor laser at 15 °C. The device has a threshold current of 30 mA and exhibits a modulation bandwidth of $f-{\mathbf {-3dB}} = 10.4$ GHz at I $-{B}= 85$ mA and V $-{\mathrm {\mathbf {CE}}} = 1.5$ V. At this bias point, the device is able to transmit $27-1 Pseudo Random Binary Sequence (PRBS) data with no errors at 22 Gb/s. The effect of transistor laser input impedance on optical modulation amplitude is discussed and short cavity ( $200~\mu $ m) devices are shown to exhibit a better match to the 50 $\Omega $ impedance of the signal generator.

Original languageEnglish (US)
Article number7004784
Pages (from-to)600-603
Number of pages4
JournalIEEE Photonics Technology Letters
Volume27
Issue number6
DOIs
StatePublished - Mar 15 2015

Keywords

  • 22 Gb/s
  • Error Free Transmission
  • High Speed
  • Laser
  • Transistor

ASJC Scopus subject areas

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

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