Novel T-rail electrodes for substrate removed low-voltage high-speed GaAs/AlGaAs electrooptic modulators

被引：22

作者：

Shin, J ^{[1
]}

Ozturk, C ^{[1
]}

Sakamoto, SR ^{[1
]}

Chiu, YJ ^{[1
]}

Dagli, N ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Elect Engn, Santa Barbara, CA 93106 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2005年 / 53卷 / 02期

关键词：

electrooptic modulators; GaAs modulators; optical modulators; microwave transmission lines;

D O I：

10.1109/TMTT.2004.840735

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel traveling-wave electrode utilizing capacitively loaded T-rail elements was developed for low-voltage high-speed substrate-removed GaAs/AlGaAs electrooptic modulators. Electrodes with varying dimensions were fabricated and characterized. Electrode phase velocity, characteristic impedance, loss coefficient, and capacitive loading were extracted from the measured s-parameters up to 40 GHz. Electrode was also simulated using a finite-element solver. The measured and calculated electrode capacitance values were found to be in excellent agreement, showing that the electrode can be precisely designed. Approaches were outlined to provide a group velocity-matched very high-speed modulator electrode suitable for a low drive-voltage substrate-removed GaAs/AlGaAs electrooptic modulator.

引用

页码：636 / 643

页数：8

共 14 条

[1]

Collin R. E., 1966, Foundations for Microwave Engineering

[2] Wide-bandwidth lasers and modulators for RF photonics [J].

Dagli, N .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1999, 47 (07) :1151-1171

[3]

Gupta K. C., 1996, MICROSTRIP LINES SLO

[4] EXPERIMENTAL-ANALYSIS OF TRANSMISSION-LINE PARAMETERS IN HIGH-SPEED GAAS DIGITAL CIRCUIT INTERCONNECTS [J].

KIZILOGLU, K ;

DAGLI, N ;

MATTHAEI, GL ;

LONG, SI .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1991, 39 (08) :1361-1367

[5] TRAVELING WAVE OPTICAL MODULATOR USING A DIRECTIONAL COUPLER LINBO3 WAVE-GUIDE [J].

KUBOTA, K ;

NODA, J ;

MIKAMI, O .

IEEE JOURNAL OF QUANTUM ELECTRONICS, 1980, 16 (07) :754-760

[6] ENOLATE CHEMISTRY OF THE CP(CO)2FECH=CHC(O)CH3 SYSTEM [J].

MATTSON, MN ;

HELQUIST, P .

ORGANOMETALLICS, 1992, 11 (01) :4-6

[7] NARROW-GAP COPLANAR SLOW-WAVE ELECTRODE FOR TRAVELING-WAVE ELECTROOPTIC MODULATORS [J].

SAKAMOTO, SR ;

SPICKERMANN, R ;

DAGLI, N .

ELECTRONICS LETTERS, 1995, 31 (14) :1183-1185

[8] Low-loss substrate-removed (SURE) optical waveguides in GaAs-AlGaAs epitaxial layers embedded in organic polymers [J].

Sakamoto, SR ;

Ozturk, C ;

Byun, YT ;

Ko, J ;

Dagli, N .

IEEE PHOTONICS TECHNOLOGY LETTERS, 1998, 10 (07) :985-987

[9] Substrate removed GaAs-AlGaAs electrooptic modulators [J].

Sakamoto, SR ;

Jackson, A ;

Dagli, N .

IEEE PHOTONICS TECHNOLOGY LETTERS, 1999, 11 (10) :1244-1246

[10] EXPERIMENTAL-ANALYSIS OF MILLIMETER-WAVE COPLANAR WAVE-GUIDE SLOW-WAVE STRUCTURES ON GAAS [J].

SPICKERMANN, R ;

DAGLI, N .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1994, 42 (10) :1918-1924

← 1 2 →