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Wide range wavelength tuning by controlling the Bragg wavelength electrically was demonstrated for the first time in a newly developed 1.3 μm distributed Bragg reflector double channel planar buried heterostructure laser diode (DBR-DC-PBH LD). Lasing wavelength was tuned over 40 Å with 60 mA tuning current change, maintaining single longitudinal mode (SLM).
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Yamaguchi et al. (1985) studied this question.
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