Heterogeneous integration of InGaAsP microdisk laser on a silicon platform using optofluidic assembly
- Author(s): Tien, Ming-Chun
- Ohta, Aaron T.
- Yu, Kyoungsik
- Neale, Steven L.
- Wu, Ming C.
- et al.
Published Web Locationhttps://doi.org/10.1007/s00339-009-5125-2
Heterogeneous integration of InGaAsP microdisk lasers on a silicon platform is demonstrated experimentally using an optofluidic assembly technique. The 200-nm-thick, 5- and 10-μm-diameter microdisk lasers are fabricated on InP and then released from the substrates. They are reassembled on a silicon platform using lateral-field optoelectronic tweezers (LOET). The assembled laser with 5-μm diameter exhibits a threshold pump power of 340 μW at room temperature under pulse condition. The heterogeneously-integrated InGaAsP-on-Si microdisk laser could provide the much needed optical source for CMOS-based silicon photonics. The small footprint and low power consumption make them attractive for optical interconnect applications. The optofluidic assembly technique enables efficient use of the III–V epitaxial materials in silicon photonic integrated circuits.
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