Adiabatic light processing devices

John D. Love; Andrew Molloy; Adrian Ankiewicz

doi:10.1117/12.667022

28 January 2006 Adiabatic light processing devices

John D. Love, Andrew Molloy, Adrian Ankiewicz

Proceedings Volume 6025, ICO20: Optical Communication; 60250U (2006) https://doi.org/10.1117/12.667022
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

The majority of optical processing devices that are employed in optical transmission systems are based on optical fibres or planar optical waveguides that rely on basic physical phenomena such as coupling, interference or Bragg grating reflection for their functionality. These devices include, for example, a wide variety of single- and multi-mode couplers and splitters, Mach-Zehnder interferometers, wavelength filters, dispersion compensators, arrayed waveguide gratings (AWGs), resonators, etc. In addition to these devices, there is a further range of devices that rely solely on their geometrical design for their functionality and involve none of the above physical phenomena. Simple examples of these devices include velocity couplers, null couplers, Y-junctions and tapers. Each of these devices relies on the approximately adiabatic propagation of each of its modes along the length of the device. A key feature of such propagation is that each mode essentially conserves both its power and field symmetry. Recent work has demonstrated that it is possible to switch modes passively with wavelength using the approximately adiabatic transformation of one mode into a mode with dissimilar field symmetry. This transformation is achieved through appropriate geometrical design of the device. For example, it is possible to transform the symmetric fundamental mode into the first odd mode of a planar waveguide by employing a two-mode asymmetric Y-junction. Using this and other mode transformations, it is possible to design compact planar devices that will combine or separate 2 or 3 channels in a coarse wavelength division multiplexing (CWDM) system.

Citation Download Citation

John D. Love, Andrew Molloy, and Adrian Ankiewicz "Adiabatic light processing devices", Proc. SPIE 6025, ICO20: Optical Communication, 60250U (28 January 2006); https://doi.org/10.1117/12.667022

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
7 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Waveguides

Cladding

Wave propagation

Single mode fibers

Coarse wavelength division multiplexing

Multiplexing

Optical fibers

Show All Keywords

Keywords/Phrases

Search In:

Publication Years