From 9657833b115c8a61509295d2296c6f89e81fd219 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Fri, 28 May 2021 15:27:37 +0200
Subject: Improve citations

---
 content/know/concept/self-phase-modulation/index.pdc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'content/know/concept/self-phase-modulation/index.pdc')

diff --git a/content/know/concept/self-phase-modulation/index.pdc b/content/know/concept/self-phase-modulation/index.pdc
index 1ec3fdd..47775b2 100644
--- a/content/know/concept/self-phase-modulation/index.pdc
+++ b/content/know/concept/self-phase-modulation/index.pdc
@@ -95,3 +95,10 @@ and [dispersion](/know/concept/dispersive-broadening/)
 leads to many interesting effects,
 such as [modulational instability](/know/concept/modulational-instability/)
 and [optical wave breaking](/know/concept/optical-wave-breaking/).
+
+
+
+## References
+1.  O. Bang,
+    *Numerical methods in photonics: lecture notes*, 2019,
+    unpublished.
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