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Dual-wavelength asymmetric cladding InGaAs-GaAs ridge waveguide distributed Bragg reflector lasers

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7 Author(s)
S. D. Roh ; Microelectron. Lab., Illinois Univ., Urbana, IL, USA ; R. B. Swint ; A. M. Jones ; T. S. Yeoh
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The design and operation of dual-wavelength InGaAs-GaAs asymmetric cladding ridge waveguide distributed Bragg reflector (DBR) lasers are reported. DBR lasers with mode pair separations of 4.1, 8.4, and 16.9 nm exhibit stable, simultaneous, dual-wavelength operation in current ranges of 40-52 mA, 32-42 mA, and 28-35 mA, respectively. Within the stated current ranges, all lasing modes exhibit at least 20-dB sidemode suppression, and approximately 30-dB sidemode suppression under optimum operating conditions.

Published in:

IEEE Photonics Technology Letters  (Volume:11 ,  Issue: 1 )