Acousto-optic interaction induced photonic band gaps in silicon slab waveguides

Jin-Chen Hsu; Chiang-Hsin Lin; Jheng-Hong Shih; Tzy-Rong Lin

doi:10.1117/12.2039400

19 February 2014 Acousto-optic interaction induced photonic band gaps in silicon slab waveguides

Jin-Chen Hsu, Chiang-Hsin Lin, Jheng-Hong Shih, Tzy-Rong Lin

Proceedings Volume 8994, Photonic and Phononic Properties of Engineered Nanostructures IV; 89941Y (2014) https://doi.org/10.1117/12.2039400
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We demonstrate that the photonic band gaps in silicon slab waveguides are generated through the acousto-optic (AO) interaction. By exciting the acoustic eigenmodes of slab waveguides, the refractive indices and interfaces of silicon slab can be modulated periodically to perturb the guided optical waves and open up the photonic band gaps. We find that the occurrence of the strong forbidden effect to form the band gaps is due to nonlinear interactions between the guided optical and acoustic modes. Using the finite-element method, we calculate the photonic band structures of TE waves and TM waves under the perturbation of the lowest three acoustic eigenmodes, respectively. The results show that the fundamental symmetric acoustic slab mode can create Bragg photonic band gaps of tunable width. With generating acoustic-wave amplitude of 1.0 % of the slab thickness, photonic band gaps from 61.58 – 61.92 THz for TE and 89.10 – 89.24 THz for TM are demonstrated. Applications include the design of optomechanical and AO devices and micro and nanolasers.

Citation Download Citation

Jin-Chen Hsu, Chiang-Hsin Lin, Jheng-Hong Shih, and Tzy-Rong Lin "Acousto-optic interaction induced photonic band gaps in silicon slab waveguides", Proc. SPIE 8994, Photonic and Phononic Properties of Engineered Nanostructures IV, 89941Y (19 February 2014); https://doi.org/10.1117/12.2039400

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
6 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Acoustics

Silicon

Acousto-optics

Wave plates

Waveguides

Photonic crystals

Adaptive optics

Show All Keywords

Keywords/Phrases

Search In:

Publication Years