2020•Unpublished venueRequires access

CW operation and performances of 1550nm-band InAs quantum-dot monolithically-integrated lasers with quantum-dot intermixed regions

Runa Kaneko, Shohei Isawa, Ryosuke Morita, Hirokazu Okada, Atsushi Matsumoto, Kouichi Akahane, Yusuke Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka

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Abstract

Using the developed regionally-tailored quantum-dot intermixing (QDI) processing, we have fabricated a 1550 nm-band quantum-dot laser monolithically integrated with QDI electro-absorption (EA) modulator and achieved CW operation. Fundamental absorption and lasing characteristics were demonstrated.

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Available abstract

Key concepts: Quantum dot, Lasing threshold, Quantum dot laser, Optoelectronics, Laser, Materials science, Electro-absorption modulator, Absorption (acoustics)