High Spectral Purity High-Power GaSb-Based DFB Laser Fabricated by Nanoimprint Lithography

Jukka Viheriälä; Kimmo Haring; Soile Suomalainen; Riku Koskinen; Tapio Niemi; Mircea Guina

doi:10.1109/LPT.2016.2519044

High Spectral Purity High-Power GaSb-Based DFB Laser Fabricated by Nanoimprint Lithography

Jukka Viheriälä, Kimmo Haring, Soile Suomalainen, Riku Koskinen, Tapio Niemi, Mircea Guina

Tutkimustuotos: Artikkeli › Scientific › vertaisarvioitu

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Abstrakti

The development of single-mode distributed feedback (DFB) lasers emitting high output powers in a broad wavelength range from 1980 to 2035 nm is reported. A unique feature of the development is the fabrication of lateral feedback gratings by nanoimprint lithography. We have varied a wide range of design parameters and studied their effect on the performance of the laser. The best uncoated devices exhibited a side-mode suppression ratio as high as >50 dB at output powers in excess of 14 mW. Moreover, a tuning range of over 12 nm was measured. After coating the facets with dielectric mirrors, the laser diodes could deliver an output power of more than 25 mW. In this letter, we prove the suitability of nanoimprint lithography to the fabrication of GaSb-DFB laser diodes by demonstrating the state-of-the-art devices made using imprint lithography.

Alkuperäiskieli	Englanti
Sivut	1233-1236
Julkaisu	IEEE Photonics Technology Letters
Vuosikerta	28
Numero	11
DOI - pysyväislinkit	https://doi.org/10.1109/LPT.2016.2519044
Tila	Julkaistu - 2016
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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10.1109/LPT.2016.2519044

High Spectral Purity High-Power GaSb-Based DFB Laser Fabricated by Nanoimprint Lithography_before proofs
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http://urn.fi/URN:NBN:fi:tty-201710061988

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AU - Viheriälä, Jukka

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AU - Koskinen, Riku

AU - Niemi, Tapio

AU - Guina, Mircea

PY - 2016

Y1 - 2016

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High Spectral Purity High-Power GaSb-Based DFB Laser Fabricated by Nanoimprint Lithography

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