Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Phase Contrast and Differential Interference Contrast Microscopy

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...

You might also read

Related Articles

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

Sort by

Same author

Ultra-broadband wide-angle unidirectional plasmonic coupler based on joint effects of plasmonic critical angles and subwavelength metallic gratings.

Optics letters·2014

Same author

Sequential signs of palpitation, bloody multiple cavity membrane effusion, and myocardial infarction: a case report of multiple myeloma and a literature review.

Clinical lymphoma, myeloma & leukemia·2013

Same author

Application of dynamic displacement current for diagnostics of subnanosecond breakdowns in an inhomogeneous electric field.

The Review of scientific instruments·2013

Same author

Angiotensin-(1-7) dose-dependently inhibits atherosclerotic lesion formation and enhances plaque stability by targeting vascular cells.

Arteriosclerosis, thrombosis, and vascular biology·2013

Same author

Detection and quantification of 8-hydroxy-2'-deoxyguanosine in Alzheimer's transgenic mouse urine using capillary electrophoresis.

Electrophoresis·2013

Same author

Downregulation of HMGB1 protects against the development of acute lung injury after severe acute pancreatitis.

Immunobiology·2013

Same journal

Long-term stabilization of intensity-difference squeezing from four-wave mixing in rubidium vapor.

Optics express·2026

Same journal

Robust 3D topography measurement of large-range high-aspect-ratio structures based on dual-domain statistical filtering in SD-OCT.

Optics express·2026

Same journal

Broadband transmissive terahertz metasurface for simultaneous quad-mode OAM multiplexing.

Optics express·2026

Same journal

Leveraging two-dimensional materials for high-sensitivity optical sensors: quasi-bound states in the continuum within hybrid metasurfaces.

Optics express·2026

Same journal

Resolution investigation for dual-spherical-wave optical scanning holographic microscopy: methods and performance.

Optics express·2026

Same journal

Robustness of parallel subnetwork-filtered diffractive deep neural networks.

Optics express·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 7, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Optical phase modulation based on directly modulated reflection-mode OIL-VCSEL.

Peng Guo, Tao Sun, Weijian Yang

|October 10, 2013

Summary

This summary is machine-generated.

This study explores optical phase modulation using a directly modulated reflection-mode optically injection-locked VCSEL (OIL-VCSEL). Researchers achieved constant output power and significant phase deviation, enabling potential use in advanced optical transmitters.

More Related Videos

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Related Experiment Videos

Last Updated: May 7, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Area of Science:

Optoelectronics
Semiconductor Lasers
Optical Communications

Background:

Optically injection-locked Vertical-Cavity Surface-Emitting Lasers (VCSELs) are crucial for optical modulation.
Reflection-mode injection-locking offers unique characteristics compared to transmission-mode.
Direct modulation of VCSELs is desirable for simplified transmitter designs.

Purpose of the Study:

To investigate optical phase modulation in directly modulated reflection-mode optically injection-locked VCSELs.
To simulate and analyze the phase information in static and dynamic states.
To compare reflection-mode OIL with transmission-mode OIL for phase characteristics.

Main Methods:

Utilized standard optically injection-locking (OIL) rate equations.
Employed a reflection-mode OIL model for simulations.
Performed numerical analysis of static state phase information.
Experimentally demonstrated preliminary 2.5 Gb/s PSK modulation.

Main Results:

Simulated static and dynamic phase information of the OIL-VCSEL.
Numerically analyzed differences in static phase information between transmission- and reflection-mode OIL.
Achieved constant output power with a phase deviation of 0.934π radians under specific OIL parameters.
Demonstrated experimental PSK modulation characteristics at 2.5 Gb/s.

Conclusions:

Directly modulated reflection-mode OIL-VCSELs can achieve significant phase modulation with stable output power.
These devices show promise as key components for Quadrature Phase Shift Keying (QPSK) or 8-Phase Shift Keying (8PSK) transmitters.
Experimental validation confirms the potential for high-speed optical communication applications.