Cavity enhanced reflector based hybrid silicon laser

We present a novel approach to integrate III-V based hybrid lasers on a silicon platform using resonant grating structures as compact and highly-reflective mirrors

Electrically pumped 1550 nm single mode III-V-on-silicon laser with resonant grating cavity mirrors

This article presents a novel III-V on silicon laser. This work exploits the phenomenon that a passive silicon cavity, side-coupled to a III-V waveguide, will provide high and narrow-band reflectivity into the III-V waveguide: the resonant mirror. This results in an electrically pumped laser with a threshold current of 4 mA and a side-mode suppression ratio up to 48 dB

Design of a hybrid III-V-on-silicon microlaser with resonant cavity mirrors

A novel approach is presented to realize compact III-V-on-silicon microlasers. The concept relies on resonant mirrors in which the close interaction between a III-V waveguide and an underlying silicon cavity provides high narrow-band reflection back into the III-V waveguide. Combining two such mirrors with a III-V waveguide in between leads to a resonant mirror laser. The properties of the resonant mirror are studied for a variety of device parameters. Using this information, the properties of the resulting laser, such as threshold power and side-mode suppression ratio, are investigated. These calculations correspond well to proof-of-concept experimental results

Reflectionless grating coupling for silicon-on-insulator integrated circuits

We propose a novel grating coupler design which is inherently reflectionless by focusing the reflected light away from the entrance waveguide. The grating coupler design is investigated by means of 3D FDTD simulations

Hybrid III-V/silicon micro-lasers based on resonant cavity reflectors

We present a novel approach to design compact, single mode, hybrid 111-V/silicon microlasers. At both ends of the 111-V laser cavity, silicon gratings are operated in a resonant regime to allow high reflection over a short distance. We have verified this technique numerically andfound that, for a thick bonding layer of350 nm, more than 93% reflection can be obtained over a distance of less than 20 pm

Efficient vertical coupling between a silicon waveguide and an InP-based microdisk

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Experimental demonstration of a novel heterogeneously integrated III-V on Si microlaser

In this work we present the first experimental demonstration of a novel class of heterogeneously integrated III-V-on-silicon microlasers. We first show that by coupling a silicon cavity to a III-V wire, the interaction between the propagating mode in the III-V wire and the cavity mode in the silicon resonator results in high, narrow band reflection back into the III-V waveguide, forming a so-called resonant mirror. By combining two such mirrors and providing optical gain in the III-V wire in between these 2 mirrors, laser operation can be realized. We simulate the reflectivity spectrum of such a resonant mirror using 3D FDTD and discuss the results. We also present experimental results of the very first optically pumped heterogeneously integrated resonant mirror laser. The fabricated device measures 55 mu m by 2 mu m and shows single mode laser emission with a side-mode suppression ratio of 37 dB