Monolithic integration of low-threshold-current 1.3 μm GaInAsP/InP DFB lasers

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Monolithic integration of low-threshold-current 1.3 μm GaInAsP/InP DFB lasers

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Two 1.3 μm GaInAsP/InP DFB lasers with low threshold currents (28 and 29 mA) were successfully integrated. Both DFB lasers operated continuously at temperatures of up to 68°C. The 12 Å separation in wavelength between the two lasers was produced by a 2 Å difference of the grating periods. A thermal interaction between the two lasers was estimated from the shift in their wavelengths.

Inspec keywords: multiplexing equipment; gallium arsenide; distributed feedback lasers; III-V semiconductors; integrated optics; indium compounds; optical communication equipment; semiconductor junction lasers

Other keywords: optical communication equipment; GaInAsP/InP DFB lasers; III-V semiconductors; integrated optics; semiconductor lasers; thermal interaction; low threshold currents; 68°C; 1.3 micron; grating period difference; continuous operation; 12 angstroms wavelength separation; wavelength multiplexing; WDM

Subjects: Semiconductor lasers; Integrated optics; Optical communication; Optical communication devices, equipment and systems; Lasing action in semiconductors; Design of specific laser systems; Integrated optics

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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19840324
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