Anomalous properties of cascaded photonic crystal fiber based long period gratings

Xia Yu; Ping Shum; Songnian Fu; Xinyong Dong; Hairong Liu

doi:10.1117/12.635389

5 December 2005 Anomalous properties of cascaded photonic crystal fiber based long period gratings

Xia Yu, Ping Shum, Songnian Fu, Xinyong Dong, Hairong Liu

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601914 (2005) https://doi.org/10.1117/12.635389
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

We have demonstrated the Photonic Crystal Fiber (PCF)-based Long Period Grating (LPG) by machanical stress, in which each groove of the microbending will induce a local index change in the fiber via the photoelastic effect and such gratings can be completely erased by removing the pressure from the fiber. A Mach-Zehnder interferometer (MZI) formed by cascading a pair of PCF-based LPGs has been investigated in details in this paper for the application as an all-PCF filter. Because of the microstructured air holes, the effective index shows strong wavelength dependence, which will result some different properties distinguished with conventional optical fiber and we can expect some novel characteristics of this grating device. However, in the previous work, sensitive interference spectrum was only observed when stripping off the acrylate coating, which make the fiber device very fragile. And the coupling characteristics have not been analyzed in details yet. Cascaded LPGs were demonstrated to form a MZI, where multiple resonances were eaisly obtained without stripping the acrylate fiber coating by applying a much larger stress. The cascaded PCF-based LPGs have performed anomalous grating characteristics. This grating device offers the unique advantages of being tunable, erasable, reconfigurable and good interfering efficiency makes it promising applications in WDM communication.

Citation Download Citation

Xia Yu, Ping Shum, Songnian Fu, Xinyong Dong, and Hairong Liu "Anomalous properties of cascaded photonic crystal fiber based long period gratings", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601914 (5 December 2005); https://doi.org/10.1117/12.635389

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