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Single-Wavelength Emission by Using 1 × N Active Multi-Mode Interferometer Laser Diode
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/11/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Lasers, Quantum Electronics
active-MMI LD, single-wavelength emission, non-grating, longitudinal interference, phase matching,
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1 × N active multi-mode interferometer laser diode (MMI LD) is proposed and demonstrated to realize single-wavelength edge-emitter without using grating configuration. As the 1 × N active-MMI LDs are based on longitudinal mode interference, they have a potential of single-wavelength emission without incorporating any grating layer on/beneath active layer. The fabricated devices showed single-wavelength emission with a side mode suppression ratio (SMSR) of 12dB at a wavelength of 1.57µm.