We report our observation of the signature of photon periodic orbits in the spontaneous emission spectra of large-aperture vertical-cavity surface-emitting lasers (VCSELs). The high-resolution measurement clearly demonstrates that over a thousand cavity modes with a narrow linewidth can be perfectly exhibited in the spontaneous emission spectrum just below the lasing threshold. The Fourier-transformed spectrum is analyzed to confirm that the spontaneous emission spectra of large-aperture VCSELs can be exploited to analogously investigate the energy spectra of the 2D quantum billiards.
© 2010 Optical Society of America
Lasers and Laser Optics
Original Manuscript: March 22, 2010
Revised Manuscript: June 21, 2010
Manuscript Accepted: July 16, 2010
Published: August 10, 2010
Yung-Fu Chen, Yan-Ting Yu, Yu-Jen Huang, Po-Yi Chiang, Kuan-Wei Su, and Kai-Feng Huang, "Extracting photon periodic orbits from spontaneous emission spectra in laterally confined vertically emitted cavities," Opt. Lett. 35, 2723-2725 (2010)