Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
Journal Home About Issues in Progress Current Issue All Issues Feature Issues

Theoretical and experimental study of fundamental differences in the noise suppression of high-speed SOA-based all-optical switches

Mads L. Nielsen, Jesper Mørk, Rei Suzuki, Jun Sakaguchi, and Yoshiyasu Ueno

Open Access Open Access

Abstract

We identify a fundamental difference between the ASE noise filtering properties of different all-optical SOA-based switch configurations, and divide the switches into two classes. An in-band ASE suppression ratio quantifying the difference is derived theoretically and the impact of the ASE filtering on the optical spectrum is verified experimentally using a hybrid DISC setup. ASE power suppression of around 3 dB over the total signal bandwidth is demonstrated.

©2005 Optical Society of America

Full Article  |  PDF Article
More Like This
Experimental and theoretical investigation of the impact of ultra-fast carrier dynamics on highspeed SOA-based all-optical switches

Mads L. Nielsen, Jesper MØrk, Rei Suzuki, Jun Sakaguchi, and Yoshiyasu Ueno
Opt. Express 14(1) 331-347 (2006)

Bandwidth enhancement of SOA-based switches using optical filtering: theory and experimental verification

Mads L. Nielsen and Jesper Mørk
Opt. Express 14(3) 1260-1265 (2006)

SOA-based all-optical switch with subpicosecond full recovery

H. Ju, S. Zhang, D. Lenstra, H. de Waardt, E. Tangdiongga, G. D. Khoe, and H. J.S. Dorren
Opt. Express 13(3) 942-947 (2005)

View More...

Cited By

Optica participates in Crossref's Cited-By Linking service. Citing articles from Optica Publishing Group journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (5)
Fig. 1.
Fig. 1. Schematics of (a) the DISC configuration and (b) the SOA-based MZI configuration.

Download Full Size | PDF

Fig. 2.
Fig. 2. Normalized ASE power spectral density of SOA output (solid) and AMZI power transfer function (dashed) for τ=5 ps and Φ0=0.90π. Single-hatched area represents ASE power suppressed by AMZI.

Download Full Size | PDF

Fig. 3.
Fig. 3. Experimental setup: Inline implementation of DISC

Download Full Size | PDF

Fig. 4.
Fig. 4. (a) ASE spectra (resolution: 0.1 nm) at DISC output for TE/TM polarized ASE (solid/dashed), and for unpolarized ASE (dash-dotted). (b) Comparison of TE/TM ASE ratio (black squares) and ASE spectral fringe depth (white squares). Inset: detail of spectral fringe for I=150 mA.

Download Full Size | PDF

Fig. 5.
Fig. 5. Optical probe spectra at DISC output with input polarizer (thick, solid) and without polarizer (thin, dashed) for an SOA bias of 150 mA and an AMZI phase bias of Φ0=0.90 π. Inset: Cross-correlation trace of switched probe.

Download Full Size | PDF

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

∣ H AMZ ( λ ) ∣ 2 = 1 2 [ 1 + cos ( − 2 π λ − λ P Δ λ τ + Φ 0 ) ]
IBSR − 1 = 1 2 [ 1 + cos ( Φ 0 ) sinc ( π Δ λ F Δ λ τ ) ]
P ˜ DISC CQP ( λ ) = P ˜ ASE TE ( λ ) ∣ H AMZ TE ( λ ) ∣ 2 + P ˜ ASE TM ( λ ) ∣ H AMZ TM ( λ ) ∣ 2
= P ˜ SOA ( λ ) 2 [ 1 + ( 2 r − 1 ) cos ( − 2 π λ − λ P Δ λ τ + Φ 0 ) ]
Select as filters
Select Topics Cancel
Top
       
© Copyright 2024 | Optica Publishing Group. All rights reserved, including rights for text and data mining and training of artificial technologies or similar technologies.
Privacy | Terms of Use