Low hysteresis threshold current (39 mA) active multimode-interferometer (MMI) bistable laser diodes using lateral-modes bistability

Haisong Jiang, Hany Ayad Bastawrous, Takuma Hagio, Shinji Matsuo, Kiichi Hamamoto

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We demonstrate low hysteresis threshold current (39mA) bistable laser diodes (BLDs), with maintaining sufficient hysteresis window (7 mA, 18% of the hysteresis threshold), in active multimode-interferometer (MMI) using lateral-modes bistability. The sufficient cross-gain saturation effect, due to the lateral-modes bistability principle, enables wide hysteresis window. By using this principle, we could design the active-MMI BLDs with relatively short saturable-absorber length that has been one of the main causes of high hysteresis threshold current. In the actual design, we reduce the saturable-absorber region length to 25 μm, and thus, we could achieve a low hysteresis current of 39 mA in the active-MMI BLDs with maintaining sufficient hysteresis window for the first time.

Original languageEnglish
Article number21
Pages (from-to)1258-1263
Number of pages6
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume17
Issue number5
DOIs
Publication statusPublished - Oct 17 2011

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threshold currents
Interferometers
Hysteresis
Semiconductor lasers
interferometers
semiconductor lasers
hysteresis
Saturable absorbers
absorbers
saturation
thresholds
causes

All Science Journal Classification (ASJC) codes

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

Cite this

Low hysteresis threshold current (39 mA) active multimode-interferometer (MMI) bistable laser diodes using lateral-modes bistability. / Jiang, Haisong; Bastawrous, Hany Ayad; Hagio, Takuma; Matsuo, Shinji; Hamamoto, Kiichi.

In: IEEE Journal on Selected Topics in Quantum Electronics, Vol. 17, No. 5, 21, 17.10.2011, p. 1258-1263.

Research output: Contribution to journalArticle

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