Second-order fiber interleaving filter based on polarization-diversified loop

Kyongsoo Park; Sungwook Choi; Seul-Lee Lee; Jun Hyeok Jeong; Sun Jae Jeong; Nouaze Joseph Christian; Min Seok Kim; Jihoon Kim; Hyun Wook Kang; Seung Yun Nam; Junghwan Oh; Yong Wook Lee

doi:10.1117/1.OE.56.6.066108

16 June 2017 Second-order fiber interleaving filter based on polarization-diversified loop

Kyongsoo Park, Sungwook Choi, Seul-Lee Lee, Jun Hyeok Jeong, Sun Jae Jeong, Nouaze Joseph Christian, Min Seok Kim, Jihoon Kim, Hyun Wook Kang, Seung Yun Nam, Junghwan Oh, Yong Wook Lee

Author Affiliations +

Optical Engineering, Vol. 56, Issue 6, 066108 (June 2017). https://doi.org/10.1117/1.OE.56.6.066108

Abstract

A second-order fiber interleaving filter that can provide a channel interleaving capability in second-order comb spectra is proposed and demonstrated on the basis of a polarization-diversified loop comprised of a four-port polarization beam splitter, four rotatable half-wave plates (HWPs), and three high birefringence fiber (HBF) segments. Each HBF segment is positioned between two adjoining HWPs, and two HWPs located among the three HBF segments determine the effective angular orientation difference among their principal axes, or fast and slow axes. At specific orientation angles of the four HWPs, second-order comb spectra such as flat-top and narrow-band ones could be obtained with a free spectral range (FSR) of ∼0.792 nm. In particular, the frequency interleaving of these second-order comb spectra, that is, a half FSR switching, could be implemented by controlling two out of four HWPs, which is the first demonstration of the interleaving operation in second-order comb spectra without expensive birefringence modulators. These spectral characteristics of the proposed filter were theoretically predicted and experimentally demonstrated.

Citation Download Citation

Kyongsoo Park, Sungwook Choi, Seul-Lee Lee, Jun Hyeok Jeong, Sun Jae Jeong, Nouaze Joseph Christian, Min Seok Kim, Jihoon Kim, Hyun Wook Kang, Seung Yun Nam, Junghwan Oh, and Yong Wook Lee "Second-order fiber interleaving filter based on polarization-diversified loop," Optical Engineering 56(6), 066108 (16 June 2017). https://doi.org/10.1117/1.OE.56.6.066108

Received: 16 March 2017; Accepted: 24 May 2017; Published: 16 June 2017

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