Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 23, 2026

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies
08:21

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Published on: March 20, 2015

On-chip green silica upconversion microlaser.

Tao Lu1, Lan Yang, Rob V A van Loon

  • 1Applied Physics Department, California Institute of Technology, Pasadena, California 91125, USA.

Optics Letters
|April 18, 2009
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

<i>Operando</i> Multimodal Electron Microscopy of Perovskite Nano-LEDs: Nanoscale Degradation and Recovery Behavior.

ACS nano·2026
Same author

Selective-Area Deposition of Indium and Its Plasmonic Properties.

ACS applied optical materials·2026
Same author

Nanoscale Heat Flow and Thermometry in Laser-Heated Resonant Silicon Mie Nanospheres Probed with Spatially Resolved Cathodoluminescence Spectroscopy.

ACS photonics·2025
Same author

Roadmap for Quantum Nanophotonics with Free Electrons.

ACS photonics·2025
Same author

Angle-Resolved Cathodoluminescence Interferometry of Plasmonic and Dielectric Scatterers.

Nano letters·2025
Same author

Electron-Energy Dependent Excitation and Directional Far-Field Radiation of Resonant Mie Modes in Single Si Nanospheres.

ACS photonics·2025
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

We developed an erbium-doped silica microcavity laser on a silicon chip that emits visible light. High-Q cavities enable room-temperature upconversion lasing, overcoming typical limitations in pure silica.

Area of Science:

  • Photonics
  • Materials Science
  • Lasers

Background:

  • Upconversion lasing in erbium-doped materials is challenging due to high nonradiative relaxation rates in silica.
  • Microcavities offer enhanced light-matter interaction, potentially overcoming these limitations.

Purpose of the Study:

  • To demonstrate an erbium-doped silica toroidal microcavity laser on a silicon chip.
  • To achieve visible spectral range lasing via upconversion at room temperature.

Main Methods:

  • Fabrication of an erbium-doped silica toroidal microcavity on a silicon chip.
  • Coupling a 1458 nm tapered optical fiber to the microcavity for pumping.
  • Characterization of lasing performance, including threshold and spectral range.

More Related Videos

Triplet Fusion Upconversion Nanocapsule Synthesis
08:36

Triplet Fusion Upconversion Nanocapsule Synthesis

Published on: September 7, 2022

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Related Experiment Videos

Last Updated: Jun 23, 2026

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies
08:21

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Published on: March 20, 2015

Triplet Fusion Upconversion Nanocapsule Synthesis
08:36

Triplet Fusion Upconversion Nanocapsule Synthesis

Published on: September 7, 2022

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Main Results:

  • Demonstrated an upconversion laser operating in the visible range (510-580 nm).
  • Achieved lasing at room temperature with a low threshold of 690 μW.
  • Observed lasing despite high nonradiative relaxation rates, attributed to high circulating pump power in the high-Q (Q>10^7) microcavity.

Conclusions:

  • High-Q silica microcavities can facilitate efficient upconversion lasing in erbium-doped materials at room temperature.
  • This work demonstrates a viable on-chip laser platform for visible light generation.