Quantum-enhanced stimulated emission microscopy

Autor: Garces, Gil Triginer, Chrzanowski, Helen M., Daryanoosh, Shakib, Thiel, Valerian, Marchant, Anna L., Patel, Raj B., Humphreys, Peter C., Datta, Animesh, Walmsley, Ian A.
Rok vydání: 2020
Předmět:
Zdroj: Appl. Phys. Lett. 117, 024002 (2020)
Druh dokumentu: Working Paper
DOI: 10.1063/5.0009681
Popis: Nonlinear optical microscopy techniques have emerged as a set of successful tools for biological imaging. Stimulated emission microscopy belongs to a small subset of pump-probe techniques which can image non-fluorescent samples without requiring fluorescent labelling. However, its sensitivity has been shown to be ultimately limited by the quantum fluctuations in the probe beam. We propose and experimentally implement sub-shot-noise limited stimulated emission microscopy by preparing the probe pulse in an intensity-squeezed state. This technique paves the way for imaging delicate biological samples that have no detectable fluorescence with sensitivity beyond standard quantum fluctuations.
Comment: The following article has been submitted to Applied Physics Letters
Databáze: arXiv