Optical sampling system using compact and stable external-cavity mode-locked laser-diode modules

Masayuki Shirane, Yoichi Hashimoto, Hirohito Yamada, Hiroyuki Yokoyama

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A compact and stable optical sampling measurement system with a temporal resolution of 2 ps has been developed. External-cavity mode-locked laser-diode (EC-MLLD) modules, which directly generate coherent 2-ps optical pulses, were used as the optical sampling pulse sources. Real-time measurement of the recovery dynamics in semiconductor saturable absorber devices has been achieved by optical sampling combined with the pump-probe method. An EC-MLLD module was also utilized for simple sub-harmonic all-optical clock recovery based on the synchronization of the mode-locking operation by optical-pulse injection. Optical sampling measurement of 160-Gbit/s return-to-zero signals incorporating all-optical clock recovery has been demonstrated.

Original languageEnglish
Pages (from-to)1173-1180
Number of pages8
JournalIEICE Transactions on Electronics
VolumeE87-C
Issue number7
Publication statusPublished - 2004 Jul

Keywords

  • All-optical clock recovery
  • Eye pattern
  • Four-wave mixing
  • Mode-locking
  • Optical gate
  • Optical sampling

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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