Related Experiment Video
Updated: Jun 3, 2026
12:18
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
Coupled-resonator-induced transparency in photonic crystal waveguide resonator systems
Jianhong Zhou1, Da Mu, Jinhua Yang
1School of Photoelectric Engineering, Changchun university of science and technology, Changchun, 130022, China. zhoujhwd@yahoo.com.cn
Optics Express
|March 30, 2011
Summary
We developed an optical coupling system to study coupled-resonator-induced transparency. This system uses coupled-mode theory and finite-difference time-domain simulations to analyze light transmission through photonic crystals.
Area of Science:
- Optics and Photonics
- Condensed Matter Physics
Background:
- Coupled-resonator-induced transparency (CRIT) is a quantum interference effect.
- Investigating CRIT is crucial for developing novel optical devices and controlling light propagation.
Purpose of the Study:
- To present an optical coupling system for investigating the coupled-resonator-induced transparency effect.
- To analyze the transmission properties of the system theoretically and numerically.
Main Methods:
- Theoretical analysis using coupled-mode theory in the time domain.
- Numerical demonstration via finite-difference time-domain (FDTD) simulation of electromagnetic wave propagation in photonic crystals.
Main Results:
- The study theoretically analyzes transmission properties using coupled-mode theory.
- Numerical simulations using FDTD method validate the coupled-resonator-induced transparency effect.
Conclusions:
- The proposed optical coupling system effectively enables the investigation of coupled-resonator-induced transparency.
- The combination of theoretical and numerical methods provides a comprehensive understanding of the effect.
Related Concept Videos
01:14Sound Waves: Resonance
Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
01:28Standing Waves in a Cavity
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
01:12Double Resonance Techniques: Overview
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Spin decoupling is usually achieved by...