Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Reconfigurable optical differential phase- shift-keying pattern recognition based on incoherent photonic processing

Not Accessible

Your library or personal account may give you access

Abstract

We propose and experimentally demonstrate asynchronous optical differential phase-shift-keying (DPSK) pattern recognition using a fully reconfigurable technique. The proposed method uses optical phase-to-bipolar intensity conversion through all-optical differentiation in conjunction with an incoherent time-spectrum convolution system where the pattern to be recognized is implemented directly in the spectral domain through optical amplitude-only linear filtering. Full reconfigurability in terms of bit rate, pattern sequence, and pattern length is achieved using electronically programmable optical filters. We demonstrate dynamically switching recognition of different 64bit patterns in a continuous 12Gb/s DPSK pseudorandom optical bit stream with contrast ratio up to 3.8dB.

© 2011 Optical Society of America

Full Article  |  PDF Article
More Like This
Bit-by-bit optical code scrambling technique for secure optical communication

Xu Wang, Zhensen Gao, Xuhua Wang, Nobuyuki Kataoka, and Naoya Wada
Opt. Express 19(4) 3503-3512 (2011)

Incoherent pattern recognition with phase-only filters

Joseph van der Gracht and Joseph N. Mait
Opt. Lett. 17(23) 1703-1705 (1992)

Rapid programmable/code-length-variable, time-domain bit-by-bit code shifting for high-speed secure optical communication

Zhensen Gao, Bo Dai, Xu Wang, Nobuyuki Kataoka, and Naoya Wada
Opt. Lett. 36(9) 1623-1625 (2011)

Supplementary Material (1)

Media 1: AVI (7291 KB)     

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved