Fabrication and Wavelength Adjustment of a WDM Gain-Coupled DFB Laser Array with a Superlattice Trimming Layer

W. Asawamethapant; Y. Nakano

Optical Fiber Communication Conference
Technical Digest (Optica Publishing Group, 2003),
paper TuG2

Fabrication and Wavelength Adjustment of a WDM Gain-Coupled DFB Laser Array with a Superlattice Trimming Layer

W. Asawamethapant and Y. Nakano

Optical Fiber Communication Conference 2003

Atlanta, Georgia United States
ISBN: 1-55752-731-8

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W. Asawamethapant and Y. Nakano, "Fabrication and Wavelength Adjustment of a WDM Gain-Coupled DFB Laser Array with a Superlattice Trimming Layer," in Optical Fiber Communication Conference, Technical Digest (Optica Publishing Group, 2003), paper TuG2.

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Abstract

Post-fabrication wavelength trimming by photo-absorption-induced disordering of a superlattice has been demonstrated for the first time in 1.55 µm three-channel gain-coupled distributed-feedback laser array. Its unequal channel spacing as fabricated has successfully been corrected to 100GHz (0.8 nm) equal spacing.

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