First demonstration of single-mode distributed feedback type-I GaSb cascade diode laser emitting near 2.9 um

Mathieu Fradet; Takashi Hosoda; Clifford Frez; Leon Shterengas; Stanley Sander; Siamak Forouhar; Gregory Belenky

doi:10.1117/12.2213224

7 March 2016 First demonstration of single-mode distributed feedback type-I GaSb cascade diode laser emitting near 2.9 μm

Mathieu Fradet, Takashi Hosoda, Clifford Frez, Leon Shterengas, Stanley Sander, Siamak Forouhar, Gregory Belenky

Author Affiliations +

Proceedings Volume 9767, Novel In-Plane Semiconductor Lasers XV; 97670U (2016) https://doi.org/10.1117/12.2213224
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We demonstrate GaSb-based laterally-coupled distributed-feedback type-I cascade diode lasers emitting near 2.9 μm as potential sources for OH measurements. The laser heterostructures consist of two GaInAsSb quantum well stages in series separated by GaSb/AlSb/InAs tunnel junction and InAs/AlSb electron injectors. Single-mode emission is generated using second order lateral Bragg grating etched alongside narrow ridge waveguides. The lasers were fabricated into 2-mm-long devices, solder-mounted epi-up on copper submounts, and operate at room temperature. With an anti-reflection coating at the emission facet, the lasers exhibit a typical current threshold of 110 mA at 20 °C and emit more than 14 mW of output power. The Bragg wavelength temperature tuning rate was 0.29 nm/°C.

Citation Download Citation

Mathieu Fradet, Takashi Hosoda, Clifford Frez, Leon Shterengas, Stanley Sander, Siamak Forouhar, and Gregory Belenky "First demonstration of single-mode distributed feedback type-I GaSb cascade diode laser emitting near 2.9 μm", Proc. SPIE 9767, Novel In-Plane Semiconductor Lasers XV, 97670U (7 March 2016); https://doi.org/10.1117/12.2213224

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