Abstract

We prescribe an empirical relationship between spot size and emitted wavelength for a semiconductor laser diode generating a broad spectrum of light in the near infrared range of 1.5–1.6 μm. Then, we establish uniformly maximum launch optics employing these relations in the case of hyperbolic microlens lens excitation of a step index single-mode fiber using this source. Subsequently, we explain the necessity of this source in the context of wavelength-division multiplexing (WDM) and dense WDM signal transmission with guidelines inviting its fabrication.

© 2018 Optical Society of America

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