Splice-loss evaluation for single-mode graded-index fibers

S. I. Hosain; Anurag Sharma; A. K. Ghatak

doi:10.1364/AO.21.002716

Applied Optics
Vol. 21,
Issue 15,
pp. 2716-2720
(1982)
•https://doi.org/10.1364/AO.21.002716

Splice-loss evaluation for single-mode graded-index fibers

S. I. Hosain, Anurag Sharma, and A. K. Ghatak

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S. I. Hosain, Anurag Sharma, and A. K. Ghatak, "Splice-loss evaluation for single-mode graded-index fibers," Appl. Opt. 21, 2716-2720 (1982)

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Abstract

In this paper we present highly accurate and simple methods for the evaluation of splice loss in single-mode graded-index fibers. These are based on accurate approximations of the modal field of such fibers which we have recently developed. Splice losses for angular and transverse offsets have been expressed in analytical forms which are quite easy to evaluate. A comparison of our results with those obtained using the Gaussian approximation is also presented which shows that our method is much more accurate than the latter.

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			GE		GEH

V	p	Gaussian	Numerical	Eq. (13)	Numerical	Eq. (13)
	0.2	1.053	0.267	0.267	0.037	0.037
2	0.4	4.107	1.018	1.018	0.102	0.104
	0.6	8.718	2.011	1.994	0.158	0.249
	0.8	14.203	2.950	2.780	0.196	0.853
	0.2	0.178	0.134	0.134	0.131	0.131
3.5	0.4	0.315	0.142	0.142	0.131	0.131
	0.6	0.534	0.154	0.154	0.130	0.129
	0.8	0.823	0.168	0.167	0.129	0.128

			GE		GEH

V	Δ	Gaussian	Numerical	Eq. (15)	Numerical	Eq. (15)
	0.2	0.308	0.022	0.007	0.004	0.013
2	0.4	1.332	0.077	0.052	0.017	0.035
	0.6	3.256	0.190	0.08	0.04	0.13
	0.8	6.35	0.416	0.057	0.085	0.492
	0.2	0.247	0.002	0.0002	0.001	0.002
3.5	0.4	1.146	0.018	0.002	0.004	0.008
	0.6	3.1	0.062	0.005	0.009	0.020
	0.8	6.82	0.167	0.472	0.010	0.540

			GE		GEH

V	p	Gaussian	Numerical	Eq. (13)	Numerical	Eq. (13)
	0.2	1.053	0.267	0.267	0.037	0.037
2	0.4	4.107	1.018	1.018	0.102	0.104
	0.6	8.718	2.011	1.994	0.158	0.249
	0.8	14.203	2.950	2.780	0.196	0.853
	0.2	0.178	0.134	0.134	0.131	0.131
3.5	0.4	0.315	0.142	0.142	0.131	0.131
	0.6	0.534	0.154	0.154	0.130	0.129
	0.8	0.823	0.168	0.167	0.129	0.128

			GE		GEH

V	Δ	Gaussian	Numerical	Eq. (15)	Numerical	Eq. (15)
	0.2	0.308	0.022	0.007	0.004	0.013
2	0.4	1.332	0.077	0.052	0.017	0.035
	0.6	3.256	0.190	0.08	0.04	0.13
	0.8	6.35	0.416	0.057	0.085	0.492
	0.2	0.247	0.002	0.0002	0.001	0.002
3.5	0.4	1.146	0.018	0.002	0.004	0.008
	0.6	3.1	0.062	0.005	0.009	0.020
	0.8	6.82	0.167	0.472	0.010	0.540

Abstract

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Equations (19)

Applied Optics