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Since the first realization of ruby laser in 1960s, the rapidly developed laser technology plays significant roles in modern research, industry as well as military. The cavity, which is the main component of a laser, attracts enormous research interests due to the variety of configurations and abundant applications in bio/chemical sensing, optical filters/switches, quantum information processing and...
Hybrid plasmonic lasers in nanowires of small size have been intensively studied in the past few years. However, there is a condition, which is that the size of the nanowire should be small enough (diameter ∼ 100 nm) to suppress the lasing of the photonic modes. Because the photonic modes suffer less loss, leading to lower threshold. Thus for large-size nanowires, it is hard to achieve the lasing...
Plasmon lasers amplify light coupled to oscillating electrons enabling their physical size and mode volume to shrink below the diffraction limit. In this talk, I will review our recent works of plasmon laser applications in on-chip optical interconnector and sensing.
The interaction between the excitonic J-band of J-aggregate molecules and localized plasmonic resonances supported by metallic structures can be large enough to reach the regime of strong coupling, giving rise to two hybridized modes [1, 2]. The new hybrid system is often characterized in extinction measurements, where the strong coupling results in an avoided crossing of the two modes as the detuning...
Stimulated by the non-Hermitian nature of micro- and nanophotonic systems, modal interaction has been proposed to play a more essential role in controlling lasing actions. Here we demonstrate its impact on mode management in microcavity lasers. Single-mode laser emission with extinction ratio above 10 dB has been obtained in twin-microdisks with a radius about 40 µm. Unlike conventional single-mode...
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