Dr. Nusrat Jahan Profile

Dr. Nusrat Jahan

at NIST/ Univ of Colorado Boulder

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 13 March 2024 Presentation

Coherence effects in pulsed photonic crystal VCSEL arrays

Luke Graham, Jim Tatum, Jim Guenter, Pritha Khurana, Freddie Castillo, Nusrat Jahan, Kent Choquette

Proceedings Volume PC12904, PC1290403 (2024) https://doi.org/10.1117/12.3003125

KEYWORDS: Vertical cavity surface emitting lasers, Photonic crystals, Physical coherence, Oxides, Optical components, Modulation, Manufacturing, LIDAR, Data communications

Read Abstract +

Proceedings Article | 13 March 2024 Presentation + Paper

Investigating supermodes in coupled dual-element photonic crystal VCSEL arrays: a comparative analysis under strong and weak anti-guiding conditions

William North, Nusrat Jahan, Dan Pflug, Arjun Khurana, Jim Tatum, Luke Graham, Stephen Ralph, Kent Choquette

Proceedings Volume 12904, 1290404 (2024) https://doi.org/10.1117/12.3001782

KEYWORDS: Vertical cavity surface emitting lasers, Photonic crystals, Waveguides, Modulation, Phased array optics, Evanescent wave coupling

Read Abstract +

Proceedings Article | 15 March 2023 Presentation + Paper

Fourier beam analysis of photonic crystal coupled triangular VCSEL array

Nusrat Jahan, William North, Nisha Kolagotla, Kent Choquette

Proceedings Volume 12439, 1243905 (2023) https://doi.org/10.1117/12.2650650

KEYWORDS: Vertical cavity surface emitting lasers, Photonic crystals, Fourier transforms, Waveguides, Visual inspection, Physical coherence, Beam analyzers, Near field, Waveguide modes, Ion implantation

Read Abstract +