Tunable Laser Using Transverse Cavity Surface Emitting Laser Working near Exceptional Point

IF 6.5 1区 物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Tongyao Wu, Qian Cai, Belal Jahannia, Chandraman Patil, Jiachi Ye, Mohsen Ahmadian, Hamed Dalir, Elham Heidari
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引用次数: 0

Abstract

Vertical-cavity surface-emitting laser (VCSEL) has proven value in data communication, optical links, optical sensing, laser printing, and optical computing for its advantages in fabrication cost, energy consumption, temperature stability, and dense-array fabrication complexity. However, the limit of wavelength tunability of VCSEL restricts its application in key areas. Here, we propose a transverse cavity surface emitting laser (TCSEL) with a highly tunable wavelength assisted by a coupled feedback cavity. We presented a prototype bowtie-shaped transversely coupled cavity that emits a laser at 980 nm. Via controlling the injection current in one cavity and the negative bias voltage in the other cavity, we can maneuver the gain and loss and achieve robust wavelength tuning of up to about 5 nm experimentally. Our results represent a significant advancement in VCSEL/TCSEL technology enables a more compact and efficient wavelength tuning scheme for applications in optical communication and sensing.

Abstract Image

利用横向腔面发射激光器在异常点附近工作的可调谐激光器
垂直腔面发射激光器(VCSEL)因其在制造成本、能耗、温度稳定性和密集阵列制造复杂性等方面的优势,在数据通信、光链路、光传感、激光打印和光计算等领域具有广泛的应用价值。然而,VCSEL的波长可调谐性限制了其在关键领域的应用。在这里,我们提出了一种具有高度可调谐波长的横向腔面发射激光器(TCSEL),该激光器由耦合反馈腔辅助。我们提出了一个原型蝴蝶结形横向耦合腔,发射激光在980纳米。通过控制一个腔的注入电流和另一个腔的负偏置电压,我们可以操纵增益和损耗,并在实验中实现高达5 nm的鲁棒波长调谐。我们的研究结果代表了VCSEL/TCSEL技术的重大进步,为光通信和传感应用提供了更紧凑、更高效的波长调谐方案。
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来源期刊
ACS Photonics
ACS Photonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
11.90
自引率
5.70%
发文量
438
审稿时长
2.3 months
期刊介绍: Published as soon as accepted and summarized in monthly issues, ACS Photonics will publish Research Articles, Letters, Perspectives, and Reviews, to encompass the full scope of published research in this field.
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