Air-cavity dominated HCG-VCSEL with a wide continuous tuning

• Main Authors: Kapraun, Jonas, Qi, Jipeng, Wang, Jiaxing, Tingzon, Philippe Martin B., Cook, Kevin, Kolev, Emil, Coldren, Larry A., Chang-Hasnain, Connie J.
• Format: text
• Published: Animo Repository 2018
• Subjects: Tunable lasers; Wavelengths; Physics
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/6369
• Institution: De La Salle University

We present continuously tuned emission of 940-1000 mm wavelength from an electrically-pumped VCSEL without top DBR layers via an electrostatically controlled HCG mirror. Large tuning range results from a high optical intensity in the air cavity.