40-GHz polymer electrooptic phase modulators

Author

Wenshen Wang ; Datong Chen ; Fetterman, H.R. ; Yongqiang Shi ; Steier, W.H. ; Dalton, L.R.

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA

Volume

7

Issue

6

fYear

1995

fDate

6/1/1995 12:00:00 AM

Firstpage

638

Lastpage

640

Abstract

A broad-band high-frequency traveling wave electrooptic phase modulator made from stable nonlinear optical polymers has been tested. Using a 1.319-μm light source, single-mode operation was achieved with high-input optical power, resulting in improved modulation depths and signal-to-noise ratios. The high-frequency optical modulation was observed up to 40 GHz using external microwave mixers. Direct optical-heterodyne detection of electrooptic phase modulation has also been demonstrated with high sensitivity at 40 GHz. The devices were tested with 10⁵ W/cm² power density for 21 hours, and have showed no observable decay in nonlinearity.

Keywords

electro-optical modulation; light sources; optical polymers; phase modulation; 1.319 mum; 24 h; 40 GHz; broad-band high-frequency traveling wave electrooptic phase modulator; direct optical-heterodyne detection; electrooptic phase modulation; external microwave mixers; high-frequency optical modulation; high-input optical power; light source; modulation depths; nonlinearity; power density; signal-to-noise ratios; single-mode operation; stable nonlinear optical polymers; Light sources; Microwave devices; Nonlinear optical devices; Nonlinear optics; Optical modulation; Optical polymers; Optical sensors; Phase modulation; Signal to noise ratio; Testing;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.388749

Filename

388749