Self-determining high-frequency oscillation from an external-cavity laser diode

被引：5

作者：

Mercier, Emeric ^{[1
,2
]}

Uy, Chi-Hak ^{[1
,2
]}

Weicker, Lionel ^{[1
,2
]}

Virte, Martin ^{[3
]}

Wolfersberger, Delphine ^{[1
,2
]}

Sciamanna, Marc ^{[1
,2
]}

机构：

[1] Univ Paris Saclay, Cent Supelec, LMOPS, F-57070 Metz, France

[2] Univ Lorraine, Cent Supelec, LMOPS, F-57070 Metz, France

[3] Vrije Univ Brussel, Dept Appl Phys & Photon, Brussels Photon B PHOT, Pl Laan 2, B-1050 Brussels, Belgium

来源：

PHYSICAL REVIEW A | 2016年 / 94卷 / 06期

关键词：

PHASE-CONJUGATE FEEDBACK; SEMICONDUCTOR-LASERS; DELAYED FEEDBACK; DYNAMICS; BIFURCATIONS; MODULATION; INTENSITY; STABILITY;

D O I：

10.1103/PhysRevA.94.061803

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on a bifurcation mechanism following which an external-cavity laser diode emits regular oscillating output power at a high frequency. This frequency does not vary with the external-cavity length and it can be adjusted by varying the feedback strength. We observe this phenomenon numerically by investigating the external-cavity modes generated by a semiconductor laser subject to a phase-conjugate optical feedback. Particularly, we explore the effects of both the feedback rate and the time delay induced by the feedback on the frequency of the external-cavity modes. Counterintuitively, we evidence that having a short cavity does not necessarily yield oscillations at higher frequencies. We show that the key parameter in order to generate high-frequency solutions is the feedback rate. This parameter fixes the frequency of the solutions obtained independently of the time delay. We finally relate our observations to Hopf bifurcation phenomena.

引用

页数：5

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