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Tunable Semiconductor Laser Based on Surface High-Order Bragg Gratings With 62 x 50 GHz Wavelength Tuning

2022-09-05

 

Author(s): Du, FL (Du, Fangling); Liu, AJ (Liu, Anjin); Wang, HL (Wang, Hailing); Xu, YB (Xu, Yuanbo); Li, J (Li, Jing); Zheng, WH (Zheng, Wanhua)

Source: IEEE PHOTONICS TECHNOLOGY LETTERS Volume: 34 Issue: 19 Pages: 1019-1022 DOI: 10.1109/LPT.2022.3198671 Published: OCT 1 2022

Abstract: A tunable semiconductor laser based on surface high-order Bragg gratings with 50 GHz channel spacing is demonstrated for the first time. The tunable semiconductor laser can cover 62 channels at 25 degrees C, and the side mode suppression ratio (SMSR) of each channel is larger than 34 dB. To achieve such properties, the number, depth and periods of the slots of the tunable semiconductor laser are optimized by the 2-D scattering matrix method (SMM) to obtain denser reflection peaks with smaller full width at half maximum (FWHM) and higher reflectivity. The tunable semiconductor laser can be widely used in dense wavelength division multiplexing (DWDM) systems and can provide a promising light source for photonic integrated circuits.

Accession Number: WOS:000844126800002

Author Identifiers:

Author        Web of Science ResearcherID        ORCID Number

Du, Fangling                  0000-0001-8049-4722

ISSN: 1041-1135

eISSN: 1941-0174

Full Text: https://ieeexplore.ieee.org/document/9856633/



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