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    Semipolar InGaN quantum-well laser diode with integrated amplifier for visible light communications

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    oe-26-6-A219.pdf
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    Type
    Article
    Authors
    Shen, Chao cc
    Ng, Tien Khee cc
    Lee, Changmin
    Nakamura, Shuji
    Speck, James S.
    DenBaars, Steven P.
    Alyamani, Ahmed Y.
    El-Desouki, Munir M.
    Ooi, Boon S. cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Photonics Laboratory
    KAUST Grant Number
    BAS/1/1614-01-01
    KCR/1/2081-01-01
    GEN/1/6607-01-01
    REP/1/2878-01-01
    Date
    2018-02-14
    Online Publication Date
    2018-02-14
    Print Publication Date
    2018-03-19
    Permanent link to this record
    http://hdl.handle.net/10754/627536
    
    Metadata
    Show full item record
    Abstract
    GaN-based semiconductor optical amplifier (SOA) and its integration with laser diode (LD) is an essential building block yet to be demonstrated for III-nitride photonic integrated circuits (PICs) at visible wavelength. This paper presents the InGaN/GaN quantum well (QW) based dual-section LD consisting of integrated amplifier and laser gain regions fabricated on a semipolar GaN substrate. The threshold current in the laser gain region was favorably reduced from 229mA to 135mA at SOA driving voltages, VSOA, of 0V and 6.25V, respectively. The amplification effect was measured based on a large gain of 5.7 dB at VSOA = 6.25V from the increased optical output power of 8.2 mW to 30.5 mW. Such integrated amplifier can be modulated to achieve Gbps data communication using on-off keying technique. The monolithically integrated amplifier-LD paves the way towards the III-nitride on-chip photonic system, providing a compact, low-cost, and multi-functional solution for applications such as smart lighting and visible light communications.
    Citation
    Shen C, Ng TK, Lee C, Nakamura S, Speck JS, et al. (2018) Semipolar InGaN quantum-well laser diode with integrated amplifier for visible light communications. Optics Express 26: A219. Available: http://dx.doi.org/10.1364/OE.26.00A219.
    Sponsors
    King Abdulaziz City for Science and Technology (KACST) (KACST TIC R2-FP-008 and KACST-KAUST-UCSB Solid-State Lighting Program); King Abdullah University of Science and Technology (KAUST) (baseline funding, BAS/1/1614-01-01, KAUST funding KCR/1/2081-01-01, and GEN/1/6607-01-01, as well as KAUST-KFUPM Special Initiative (KKI) Program, REP/1/2878-01-01).
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/OE.26.00A219
    Additional Links
    https://www.osapublishing.org/oe/abstract.cfm?uri=oe-26-6-A219
    ae974a485f413a2113503eed53cd6c53
    10.1364/OE.26.00A219
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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