Highly efficient chip-scale III-V/silicon hybrid optical amplifiers | Zendy

S. Cheung | Zendy; Yuusuke Kawakita | Zendy; Kuanping Shang | Zendy; S. J. Ben Yoo | Zendy

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Highly efficient chip-scale III-V/silicon hybrid optical amplifiers

Author(s) -

S. Cheung,

Yuusuke Kawakita,

Kuanping Shang,

S. J. Ben Yoo

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.022431

Subject(s) - materials science , wafer , optical amplifier , amplifier , optics , optoelectronics , silicon , chip , stack (abstract data type) , power (physics) , optical power , laser , physics , electrical engineering , cmos , engineering , quantum mechanics , computer science , programming language

We discuss the design and demonstration of highly efficient 1.55 µm hybrid III-V/Silicon semiconductor optical amplifiers (SOA). The optimized III-V wafer stack consists of Al(0.10)In(0.71)Ga(0.18)As multiple quantum wells (MQW) and Al(0.48)In(0.52)As electron stop layers to realize SOAs with high wall-plug efficiency (WPE). We present various designs and experimentally determine WPE values for 2 mW and 0.1 mW input power amplification. The 400 µm long flared SOA achieved the highest WPE value of 12.1% for output power > 10mW and the 400 µm long straight SOA achieved the highest WPE value of 7.3% for output power < 10mW. These are the highest WPE values ever obtained for 1.55 µm SOAs.

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