Exhibit 21.1

OCLARO, INC. SUBSIDIARIES

Avanex Communications Technologies Co., Ltd., a People’s Republic of China Company
Avanex France OIF S.A., a French company
Avanex International Corporation, a Delaware corporation
Avanex U.S.A. Corporation, a Delaware corporation
Avalon Photonics AG, a Swiss corporation
Bookham International Ltd., a Cayman Islands company
Bookham Nominees Ltd., a U.K. company
Forthaven Limited, a U.K. company
Mintera Corporation, a Delaware corporation
New Focus GmbH, a German corporation
Oclaro (Canada), Inc., a Canadian corporation
Oclaro Innovations LLP, a U.K. limited liability partnership
Oclaro Japan K.K. (formerly Bookham Technology K.K.), a Japanese corporation
Oclaro (New Jersey), Inc. (Formerly Xtellus Inc.), a Delaware corporation
Oclaro (North America), Inc. (formerly Avanex Corporation), a Delaware corporation
Oclaro Photonics, Inc. (formerly New Focus, Inc.), a Delaware corporation
Oclaro (Switzerland) AG, a Swiss corporation
Oclaro Technology, Inc., a Delaware corporation
Oclaro Technology Ltd (formerly Oclaro Technology plc), a U.K. corporation
Oclaro Technology (Shenzhen) Co., Ltd., a People’s Republic of China company
Oclaro (Thailand) Limited (formerly Avanex (Thailand) Limited), a Thai company
Rio Sub 1, Inc., a Delaware corporation
Rio Sub 2, Inc., a Delaware corporation
Xtellus Korea, Inc. a Korean corporation
Xtellus Limited, an Israeli corporation