Versatile VCSEL source of thermal and super-thermal light

V. N. Chizhevsky, N. Bel’ko, G. Ya Slepyan, A. Boag, D. Mogilevtsev

Research output: Contribution to journalArticlepeer-review

Abstract

We have built highly controllable sources of thermal and super-thermal states on the basis of a single-mode (SM) and a multi-mode (MM) vertical cavity surface emitting laser (VCSEL) with noised driving current operating above the threshold. Varying the average driving current and the amplitude and bandwidth of noise, one can robustly obtain light with the temporal second-order intensity correlation function reaching 2.5 and correlation times from 1 µs to 10 ns. For the SM VCSEL, generated thermal lights retain its single-mode quality negating a need for a spectral filtering. For the MM VCSEL, one can still find a near-threshold regime when the generated thermal radiation is close to a single-mode one.

Original languageEnglish
Pages (from-to)6245-6248
Number of pages4
JournalOptics Letters
Volume49
Issue number21
DOIs
StatePublished - 1 Nov 2024

Funding

FundersFunder number
Belarusian Republican Foundation for Fundamental ResearchF23UZB-06

    Fingerprint

    Dive into the research topics of 'Versatile VCSEL source of thermal and super-thermal light'. Together they form a unique fingerprint.

    Cite this