Optical: systems and elements – Polarization without modulation – Polarization using a time invariant electric – magnetic – or...
Reexamination Certificate
2005-10-11
2005-10-11
Juba, Jr., John (Department: 2872)
Optical: systems and elements
Polarization without modulation
Polarization using a time invariant electric, magnetic, or...
C359S483010, C359S900000
Reexamination Certificate
active
06954307
ABSTRACT:
A circulator includes a polarization beam splitter, a first reflector, a first non-reciprocal device, a second non-reciprocal device, and a second reflector. The first reflector is coupled with the polarization beam splitter. The first non-reciprocal device is coupled to the first reflector. The second non-reciprocal device is coupled to the polarization beam splitter. The second reflector is coupled with the polarization beam splitter.
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PTO 03-4026, “Optical Path Switch”, English-language translation of Japanese Patent Sho 61-38934 published Feb. 25, 1986. Translated by Schreiber Translations, Inc (Jun.-2003).
Fish & Richardson P.C.
Jr. John Juba
Oplink Communications Inc.
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