Phase-locked ring-defect photonic crystal vertical-cavity surface-emitting laser

Anjin Liu; Wei Chen; Mingxin Xing; Wenjun Zhou; Hongwei Qu; Wanhua Zheng
April 2010
Applied Physics Letters;4/12/2010, Vol. 96 Issue 15, p151103
Academic Journal
Phase-locked oxide-confined ring-defect photonic crystal vertical-cavity surface-emitting laser is presented. The coupled-mode theory is employed to illustrate the two supermodes of the device, in-phase and out-of-phase supermode. Experimental results verify the two supermodes by the characteristics of the spectra and the far field patterns. At the lower current, only the out-of-phase supermode is excited, whereas under the higher current, the in-phase supermode also appears at the shorter wavelength range. In addition, the measured spectral separation between the two supermodes agrees well with the theoretical result.


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