Low Chirp EMLs Fabricated By Combining SAG and Double Stack Active Layer Techniques
IEEE Photonics Journal（2018）
Abstract
We present electroabsorption modulators integrated with distributed feedback lasers (EMLs) fabricated by a simple method, which combines the advantages of the selective area growth and double stack active layer techniques. The obtained EML device has a threshold current as low as 16 mA and optical power of larger than 10 mW at 85 mA laser current. Quite low chirp parameter of the fabricated EMLs i...
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Key words
Quantum well devices,Modulation,Chirp,Distributed feedback devices,Measurement by laser beam,Current measurement
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