Nanolasers are key elements in the implementation of optical integrated circuits owing to
their low lasing thresholds, high energy efficiencies, and high modulation speeds. With the …

The semiconductor lasers in use today rely on various types of cavity, making use of Fresnel
reflection at a cleaved facet, total internal reflection between two different media, Bragg …

Spontaneous emission is not inherent to an emitter, but rather depends on its
electromagnetic environment. In a microcavity, the spontaneous emission rate can be …

We demonstrate a new type of laser composed of an array of coupled photonic crystal
nanocavities that enables high differential quantum efficiency and output power, together …

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We recently proposed two-dimensional coupled photonic crystal microcavity arrays as a
route to achieve a slow-group velocity of light (flat band) in all crystal directions. In this letter …

We describe recent progress in photonic crystal nanocavity lasers with an emphasis on our
recent results on ultrafast pulse generation. These lasers produce pulses on the picosecond …

GaInAsP photonic crystal point-shift nanolasers operate at room temperature under pulsed
and continuous-wave condition by photopumping with an effective threshold of∼ 1 μW, a …

Photonic crystals, artificial, wavelength-scale multidimensional periodic structures, have
given birth to a number of realizations in semiconductors. Photonic integrated circuits …

We propose a scheme to achieve controllable self-pulsing operation in a semiconductor
photonic-crystal nanolaser. The scheme is based on coupling two asymmetric nanocavities …