Ultra-wideband GCPW-CMS-GCPW transition for characterization of all-optical ADCs based on leaky waveguide deflector

Author

Hadjloum, Massinissa ; El Gibari, Mohammed ; Gundel, Hartmut W. ; Hongwu Li ; Daryoush, Afshin S.

Author_Institution

Lab. Inst. d´Electron. et de Telecommun. de Rennes, Univ. de Nantes, Nantes, France

fYear

2014

fDate

25-27 Nov. 2014

Firstpage

356

Lastpage

359

Abstract

Design of an all-optical analog-to-digital converter (AOADC) is presented here based on a leaky waveguide deflector in electro-optic (EO) polymers driven by a coupled microstrip (CMS) line. In particular, back-to-back transitions from grounded coplanar (GCPW) to microstrip line (MS) and from microstrip to CMS line, permitting to connectorize and characterize the EO deflector, are presented. The best achieved bandwidth is over 53 GHz with a remarkably lower cutoff frequency of only 2 GHz. This transition, without via-hole, using electromagnetic coupling between the bottom and top ground planes simplifies the manufacturing and facilitates the characterization of component by means of coplanar probes.

Keywords

analogue-digital conversion; electro-optical devices; microstrip transitions; optical polymers; all-optical ADC; all-optical analog-to-digital converter; back-to-back transitions; coupled microstrip line; electro-optic deflector; electro-optic polymers; electromagnetic coupling; grounded coplanar; leaky waveguide deflector; microstrip line; ultra-wideband GCPW-CMS-GCPW transition; Bandwidth; Electrooptic deflectors; Electrooptical waveguides; Microstrip; Plastics; All-Optical ADC; EO polymer; GCPW-MS-CMS-MS-GCPW transition; Ultra-wide bandwidth;

fLanguage

English

Publisher

ieee

Conference_Titel

Telecommunications Forum Telfor (TELFOR), 2014 22nd

Conference_Location

Belgrade

Print_ISBN

978-1-4799-6190-0

Type

conf

DOI

10.1109/TELFOR.2014.7034423

Filename

7034423