Ultra-broadband mid-infrared quantum cascade laser

Single-stack 1.93 μm lasing

Diagonal multi-state-to-continuum active region design enables gain bandwidth far exceeding conventional multi-stack approaches within a single stack.

Liu, Peng · Lequan, Zhang · Lu, Huanyu · Meng, Bo · Wang, Qijie · Tong, Cunzhu · Wang, Lijun

Light: Science and Applications 2026

Specifications

Electroluminescence FWHM

{'zh': '约600', 'en': '~600'} cm⁻¹

激射带宽

{'zh': '1.93', 'en': ''} μm

峰值输出功率

{'zh': '2.72', 'en': ''} W