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physics.optics2025
Broadband Photo- and Electroluminescence from Bulk Silicon via Strong Photonic Confinement
Aleksei I. Noskov, Alexander B. Kotlyar, Eric O. Potma +1
Silicon indirect bandgap fundamentally limits its ability to emit light, hindering the development of silicon-based light sources. Here, we explore a conceptually new solution to t…
physics.optics2025
Overcoming the indirect bandgap: efficient silicon emission via momentum-expanded photonic states
Aleksei I. Noskov, Alexander B. Kotlyar, Liat Katrivas +6
Silicon's inherently indirect bandgap severely limits its radiative efficiency, posing a fundamental challenge to the development of practical silicon-based light sources. While st…
physics.optics2023
Photon momentum enabled light absorption in bulk silicon
Sergey S. Kharintsev, Aleksey I. Noskov, Elina I. Battalova +6
Photons do not carry sufficient momentum to induce indirect optical transitions in semiconducting materials such as silicon, necessitating the assistance of lattice phonons to cons…