Red VCSEL for automotive applications

被引：5

作者：

Rossbach, R ^{[1
]}

Ballmann, T ^{[1
]}

Butendeich, R ^{[1
]}

Scholz, F ^{[1
]}

Schweizer, H ^{[1
]}

Jetter, T ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Phys 4, D-70550 Stuttgart, Germany

来源：

Photonics in the Automobile | 2005年 / 5663卷

关键词：

Red VCSEL; MOVPE; GaInP; heat dissipation; modulation frequency; in-situ monitoring; highspeed data communication; automotive applications; SURFACE-EMITTING LASERS; ATOMIC-ABSORPTION SPECTROMETRY; SEMICONDUCTOR-LASERS; VISIBLE VCSEL; OPERATION;

D O I：

10.1117/12.597025

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we discuss the problems of the AlGaInP material system and its consequences for the laser applications in vertical-cavity surface-emitting lasers (VCSEL). The epitaxial and technological solutions to overcome at least parts of the inherent problems were presented. Measured power-current curves of 660nm AlGaInP-based oxide-confined VCSEL are compared with calculated data by a cylindrical heat dissipation model to improve heat removal out of the device. Pulsed lasing operation of a 670nm VCSEL at +120 degrees C heat sink temperature is demonstrated, where we exceeded 0.5mW and at +160 degrees C still 25 mu W output power were achieved. NW also studied the modulation bandwidth of our devices and achieved 4GHz and calculations lead to a maximum possible intrinsic -3dB frequency of 25GHz.

引用

页码：135 / 146

页数：12

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