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首页> 外文期刊>Optics Letters >Widely tunable dual-mode distributed feedback laser fabricated by selective area growth technology integrated with Ti heaters
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Widely tunable dual-mode distributed feedback laser fabricated by selective area growth technology integrated with Ti heaters

机译：通过与钛加热器集成的选择性区域生长技术制造的可广泛调谐的双模分布式反馈激光器

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摘要

A widely tunable dual-mode distributed feedback (DFB) laser fabricated by selective area growth (SAG) technology integrated with Ti heaters was demonstrated. In the device, an original mode spacing of 4 nm was obtained by the simple SAG technology. Ti thin-film heaters were integrated with a novel procedure, which simplifies the fabrication of such heaters greatly. A large electrical resistance of the heaters is obtained at the same time, resulting in a high wavelength tuning efficiency. An accurate mode spacing as small as 0.34 nm and as large as 8.06 nm is achieved, which corresponds to a wide beat frequency range from 42.2 GHz to 1 THz. The simple fabrication process indicates that it is promising for reducing the cost of dual-mode DFB laser in fabricating self-pulsation lasers and THz generators.
机译：演示了通过与钛加热器集成的选择性区域生长（SAG）技术制造的可广泛调谐的双模分布式反馈（DFB）激光器。在该器件中，通过简单的SAG技术获得了4 nm的原始模式间隔。 Ti薄膜加热器与新颖的程序集成在一起，大大简化了此类加热器的制造过程。同时获得加热器的大电阻，从而导致高的波长调谐效率。精确的模式间隔可小至0.34 nm，大至8.06 nm，对应于42.2 GHz至1 THz的宽拍频范围。简单的制造工艺表明，在制造自脉冲激光器和太赫兹发生器方面，降低双模DFB激光器的成本很有希望。

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