Broadband continuous-wave tuning of external cavity anticrossed dual-upper-state quantum cascade lasers

被引：1

作者：

Dougakiuchi, Tatsuo ^{[1
]}

Fujita, Kazuue ^{[1
]}

Edamura, Tadataka ^{[1
]}

Yamanishi, Masamichi ^{[1
]}

Furuta, Shinichi ^{[1
]}

Sugiyama, Atushi ^{[2
]}

机构：

[1] Hamamatsu Photon KK, Cent Res Labs, Hamakita Ku, 5000 Hirakuchi, Hamamatsu, Shizuoka 4348601, Japan

[2] Hamamatsu Photon KK, Laser Device R & D Ctr, Hamakita Ku, Hamamatsu, Shizuoka 4348601, Japan

来源：

NOVEL IN-PLANE SEMICONDUCTOR LASERS XI | 2012年 / 8277卷

关键词：

quantum-cascade lasers; broad-gain; continuous wave operation; external cavity; broadband wavelength tuning;

D O I：

10.1117/12.907535

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 wide wavelength tuning of an external cavity quantum-cascade (QC) laser based on the anticrossed dual-upper-state to multiple-lower-state design is demonstrated in continuous wave (cw) operation at room temperature. The tuning ranges of 321 cm(-1) (Delta lambda/lambda similar to 22%) in pulsed operation and 248 cm(-1) (Delta lambda/lambda similar to 17%) in cw operation are achieved, despite employment of the active region with translational symmetry. The present tuning range in cw operation substantially exceeds the values obtained with the QC lasers based on conventional broadband active region designs. In addition, the continuous, single mode tuning is realized with its widely homogeneous gain spectrum.

引用

页数：8

共 15 条

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